./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/simple-ext_1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/simple-ext_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf7f5d5a0c627430d9132d0f1be3b1c0ad58f22e7924c03137596c145de85b8c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:48:11,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:48:11,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:48:11,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:48:11,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:48:11,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:48:11,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:48:11,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:48:11,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:48:11,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:48:11,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:48:11,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:48:11,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:48:11,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:48:11,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:48:11,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:48:11,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:48:11,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:48:11,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:48:11,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:48:11,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:48:11,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:48:11,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:48:11,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:48:11,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:48:11,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:48:11,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:48:11,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:48:11,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:48:11,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:48:11,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:48:11,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:48:11,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:48:11,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:48:11,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:48:11,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:48:11,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:48:11,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:48:11,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:48:11,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:48:11,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:48:11,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:48:11,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:48:11,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:48:11,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:48:11,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:48:11,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:48:11,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:48:11,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:48:11,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:48:11,755 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:48:11,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:48:11,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:48:11,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:48:11,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:48:11,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:48:11,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:48:11,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:48:11,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:48:11,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:48:11,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf7f5d5a0c627430d9132d0f1be3b1c0ad58f22e7924c03137596c145de85b8c [2022-02-20 23:48:11,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:48:11,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:48:11,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:48:11,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:48:11,965 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:48:11,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext_1.i [2022-02-20 23:48:12,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8a8cc46/ccd136dde53649a7b97dcefdfbdc3f71/FLAG121018c1d [2022-02-20 23:48:12,397 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:48:12,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext_1.i [2022-02-20 23:48:12,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8a8cc46/ccd136dde53649a7b97dcefdfbdc3f71/FLAG121018c1d [2022-02-20 23:48:12,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8a8cc46/ccd136dde53649a7b97dcefdfbdc3f71 [2022-02-20 23:48:12,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:48:12,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:48:12,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:48:12,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:48:12,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:48:12,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462a36b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12, skipping insertion in model container [2022-02-20 23:48:12,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:48:12,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:48:12,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext_1.i[23274,23287] [2022-02-20 23:48:12,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:48:12,739 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:48:12,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext_1.i[23274,23287] [2022-02-20 23:48:12,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:48:12,804 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:48:12,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12 WrapperNode [2022-02-20 23:48:12,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:48:12,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:48:12,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:48:12,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:48:12,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,850 INFO L137 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2022-02-20 23:48:12,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:48:12,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:48:12,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:48:12,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:48:12,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:48:12,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:48:12,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:48:12,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:48:12,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (1/1) ... [2022-02-20 23:48:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:48:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:12,932 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 23:48:12,934 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 23:48:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-02-20 23:48:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-02-20 23:48:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:48:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:48:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:48:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:48:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:48:13,114 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:48:13,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:48:13,160 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-02-20 23:48:13,386 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:48:13,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:48:13,392 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-20 23:48:13,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:13 BoogieIcfgContainer [2022-02-20 23:48:13,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:48:13,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:48:13,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:48:13,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:48:13,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:48:12" (1/3) ... [2022-02-20 23:48:13,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50203ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:48:13, skipping insertion in model container [2022-02-20 23:48:13,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:12" (2/3) ... [2022-02-20 23:48:13,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50203ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:48:13, skipping insertion in model container [2022-02-20 23:48:13,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:13" (3/3) ... [2022-02-20 23:48:13,400 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-ext_1.i [2022-02-20 23:48:13,404 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:48:13,404 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2022-02-20 23:48:13,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:48:13,438 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 23:48:13,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-02-20 23:48:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.911764705882353) internal successors, (65), 56 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 23:48:13,455 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:13,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 23:48:13,456 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:13,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1037517416, now seen corresponding path program 1 times [2022-02-20 23:48:13,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:13,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934888157] [2022-02-20 23:48:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:13,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:13,568 INFO L290 TraceCheckUtils]: 0: Hoare triple {61#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {61#true} is VALID [2022-02-20 23:48:13,569 INFO L290 TraceCheckUtils]: 1: Hoare triple {61#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {61#true} is VALID [2022-02-20 23:48:13,569 INFO L290 TraceCheckUtils]: 2: Hoare triple {61#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {61#true} is VALID [2022-02-20 23:48:13,569 INFO L290 TraceCheckUtils]: 3: Hoare triple {61#true} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {61#true} is VALID [2022-02-20 23:48:13,570 INFO L290 TraceCheckUtils]: 4: Hoare triple {61#true} assume !true; {62#false} is VALID [2022-02-20 23:48:13,570 INFO L290 TraceCheckUtils]: 5: Hoare triple {62#false} assume !(1 == #valid[main_~p~0#1.base]); {62#false} is VALID [2022-02-20 23:48:13,571 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 23:48:13,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:13,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934888157] [2022-02-20 23:48:13,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934888157] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:13,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:13,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:48:13,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081377969] [2022-02-20 23:48:13,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:13,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 23:48:13,583 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:13,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,600 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:13,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 23:48:13,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:13,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 23:48:13,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 23:48:13,624 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.911764705882353) internal successors, (65), 56 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,690 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2022-02-20 23:48:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 23:48:13,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 23:48:13,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 67 transitions. [2022-02-20 23:48:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 67 transitions. [2022-02-20 23:48:13,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 67 transitions. [2022-02-20 23:48:13,757 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:13,764 INFO L225 Difference]: With dead ends: 58 [2022-02-20 23:48:13,764 INFO L226 Difference]: Without dead ends: 52 [2022-02-20 23:48:13,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 23:48:13,768 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:13,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-20 23:48:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-02-20 23:48:13,786 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:13,787 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,788 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,788 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,791 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-02-20 23:48:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2022-02-20 23:48:13,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:13,792 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:13,792 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 23:48:13,793 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 23:48:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,795 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-02-20 23:48:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2022-02-20 23:48:13,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:13,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:13,796 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:13,796 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 51 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2022-02-20 23:48:13,800 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 6 [2022-02-20 23:48:13,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:13,800 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2022-02-20 23:48:13,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2022-02-20 23:48:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:48:13,801 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:13,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:13,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:48:13,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:13,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash 620871745, now seen corresponding path program 1 times [2022-02-20 23:48:13,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:13,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580024604] [2022-02-20 23:48:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:13,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:13,843 INFO L290 TraceCheckUtils]: 0: Hoare triple {279#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {279#true} is VALID [2022-02-20 23:48:13,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {279#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {281#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,844 INFO L290 TraceCheckUtils]: 2: Hoare triple {281#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {281#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,845 INFO L290 TraceCheckUtils]: 3: Hoare triple {281#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,845 INFO L290 TraceCheckUtils]: 4: Hoare triple {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} main_#t~short5#1 := main_~i~0#1 < 30; {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,846 INFO L290 TraceCheckUtils]: 5: Hoare triple {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,846 INFO L290 TraceCheckUtils]: 7: Hoare triple {282#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {280#false} is VALID [2022-02-20 23:48:13,847 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 23:48:13,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:13,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580024604] [2022-02-20 23:48:13,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580024604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:13,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:13,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:13,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685405258] [2022-02-20 23:48:13,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:13,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:48:13,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:13,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,856 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:13,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:13,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:13,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:13,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:13,857 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,994 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:48:13,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:48:13,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-20 23:48:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-20 23:48:13,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2022-02-20 23:48:14,061 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:14,062 INFO L225 Difference]: With dead ends: 70 [2022-02-20 23:48:14,062 INFO L226 Difference]: Without dead ends: 70 [2022-02-20 23:48:14,063 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 23:48:14,064 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 94 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:14,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 31 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-20 23:48:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 56. [2022-02-20 23:48:14,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:14,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,068 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,069 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,071 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-02-20 23:48:14,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:14,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:14,072 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:14,072 INFO L87 Difference]: Start difference. First operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,074 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-02-20 23:48:14,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:14,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:14,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:14,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.675) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2022-02-20 23:48:14,077 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 8 [2022-02-20 23:48:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:14,078 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2022-02-20 23:48:14,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2022-02-20 23:48:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:48:14,078 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:14,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:14,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:48:14,079 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:14,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash 620871746, now seen corresponding path program 1 times [2022-02-20 23:48:14,080 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:14,080 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732972450] [2022-02-20 23:48:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:14,128 INFO L290 TraceCheckUtils]: 0: Hoare triple {553#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {553#true} is VALID [2022-02-20 23:48:14,129 INFO L290 TraceCheckUtils]: 1: Hoare triple {553#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} is VALID [2022-02-20 23:48:14,129 INFO L290 TraceCheckUtils]: 2: Hoare triple {555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} is VALID [2022-02-20 23:48:14,130 INFO L290 TraceCheckUtils]: 3: Hoare triple {555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:14,130 INFO L290 TraceCheckUtils]: 4: Hoare triple {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:14,131 INFO L290 TraceCheckUtils]: 5: Hoare triple {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:14,131 INFO L290 TraceCheckUtils]: 6: Hoare triple {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:14,132 INFO L290 TraceCheckUtils]: 7: Hoare triple {556#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(4 + main_~p~0#1.offset <= #length[main_~p~0#1.base] && 0 <= main_~p~0#1.offset); {554#false} is VALID [2022-02-20 23:48:14,132 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 23:48:14,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:14,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732972450] [2022-02-20 23:48:14,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732972450] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:14,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:14,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:14,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551343981] [2022-02-20 23:48:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:14,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:48:14,134 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:14,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,140 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:14,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:14,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:14,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:14,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:14,142 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,314 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-02-20 23:48:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:48:14,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:48:14,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions. [2022-02-20 23:48:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions. [2022-02-20 23:48:14,319 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 92 transitions. [2022-02-20 23:48:14,405 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 23:48:14,407 INFO L225 Difference]: With dead ends: 77 [2022-02-20 23:48:14,407 INFO L226 Difference]: Without dead ends: 77 [2022-02-20 23:48:14,407 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 23:48:14,408 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 99 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:14,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 33 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:14,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-02-20 23:48:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2022-02-20 23:48:14,411 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:14,412 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,412 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,412 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,414 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-02-20 23:48:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2022-02-20 23:48:14,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:14,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:14,415 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 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 77 states. [2022-02-20 23:48:14,415 INFO L87 Difference]: Start difference. First operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 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 77 states. [2022-02-20 23:48:14,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,417 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-02-20 23:48:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2022-02-20 23:48:14,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:14,417 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:14,417 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:14,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2022-02-20 23:48:14,419 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 8 [2022-02-20 23:48:14,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:14,419 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2022-02-20 23:48:14,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-02-20 23:48:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 23:48:14,420 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:14,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:14,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:48:14,421 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:14,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:14,421 INFO L85 PathProgramCache]: Analyzing trace with hash -382774458, now seen corresponding path program 1 times [2022-02-20 23:48:14,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:14,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248020875] [2022-02-20 23:48:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:14,514 INFO L290 TraceCheckUtils]: 0: Hoare triple {857#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {857#true} is VALID [2022-02-20 23:48:14,514 INFO L290 TraceCheckUtils]: 1: Hoare triple {857#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {857#true} is VALID [2022-02-20 23:48:14,515 INFO L290 TraceCheckUtils]: 2: Hoare triple {857#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {857#true} is VALID [2022-02-20 23:48:14,515 INFO L290 TraceCheckUtils]: 3: Hoare triple {857#true} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:14,516 INFO L290 TraceCheckUtils]: 4: Hoare triple {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} main_#t~short5#1 := main_~i~0#1 < 30; {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:14,516 INFO L290 TraceCheckUtils]: 5: Hoare triple {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:14,517 INFO L290 TraceCheckUtils]: 6: Hoare triple {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:14,518 INFO L290 TraceCheckUtils]: 7: Hoare triple {859#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {860#(and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:14,518 INFO L290 TraceCheckUtils]: 8: Hoare triple {860#(and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {861#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0)} is VALID [2022-02-20 23:48:14,519 INFO L290 TraceCheckUtils]: 9: Hoare triple {861#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {862#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:14,519 INFO L290 TraceCheckUtils]: 10: Hoare triple {862#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {862#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:14,520 INFO L290 TraceCheckUtils]: 11: Hoare triple {862#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {863#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:14,520 INFO L290 TraceCheckUtils]: 12: Hoare triple {863#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {858#false} is VALID [2022-02-20 23:48:14,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {858#false} assume !false; {858#false} is VALID [2022-02-20 23:48:14,521 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 23:48:14,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:14,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248020875] [2022-02-20 23:48:14,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248020875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:14,521 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:14,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:48:14,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196067153] [2022-02-20 23:48:14,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:14,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,522 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:14,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,532 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 23:48:14,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:48:14,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:14,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:48:14,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:48:14,533 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:14,947 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2022-02-20 23:48:14,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:14,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2022-02-20 23:48:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2022-02-20 23:48:14,951 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 147 transitions. [2022-02-20 23:48:15,050 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:15,052 INFO L225 Difference]: With dead ends: 140 [2022-02-20 23:48:15,052 INFO L226 Difference]: Without dead ends: 140 [2022-02-20 23:48:15,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:48:15,053 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 141 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:15,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 117 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-02-20 23:48:15,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 69. [2022-02-20 23:48:15,056 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:15,056 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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 23:48:15,057 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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 23:48:15,057 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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 23:48:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:15,060 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2022-02-20 23:48:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2022-02-20 23:48:15,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:15,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:15,061 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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) Second operand 140 states. [2022-02-20 23:48:15,061 INFO L87 Difference]: Start difference. First operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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) Second operand 140 states. [2022-02-20 23:48:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:15,066 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2022-02-20 23:48:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2022-02-20 23:48:15,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:15,067 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:15,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:15,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.471698113207547) internal successors, (78), 68 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 23:48:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 78 transitions. [2022-02-20 23:48:15,083 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 78 transitions. Word has length 14 [2022-02-20 23:48:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:15,084 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 78 transitions. [2022-02-20 23:48:15,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 23:48:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2022-02-20 23:48:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:48:15,084 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:15,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:15,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:48:15,085 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1017634056, now seen corresponding path program 1 times [2022-02-20 23:48:15,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:15,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648876798] [2022-02-20 23:48:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:15,148 INFO L290 TraceCheckUtils]: 0: Hoare triple {1359#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {1359#true} is VALID [2022-02-20 23:48:15,149 INFO L290 TraceCheckUtils]: 1: Hoare triple {1359#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,149 INFO L290 TraceCheckUtils]: 2: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,150 INFO L290 TraceCheckUtils]: 3: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,150 INFO L290 TraceCheckUtils]: 4: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,150 INFO L290 TraceCheckUtils]: 5: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,151 INFO L290 TraceCheckUtils]: 6: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,151 INFO L290 TraceCheckUtils]: 7: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,151 INFO L290 TraceCheckUtils]: 8: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} is VALID [2022-02-20 23:48:15,152 INFO L290 TraceCheckUtils]: 9: Hoare triple {1361#(not (= |ULTIMATE.start_main_~a~0#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1362#(not (= 0 |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:15,152 INFO L290 TraceCheckUtils]: 10: Hoare triple {1362#(not (= 0 |ULTIMATE.start_main_~p~0#1.base|))} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1360#false} is VALID [2022-02-20 23:48:15,152 INFO L290 TraceCheckUtils]: 11: Hoare triple {1360#false} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {1360#false} is VALID [2022-02-20 23:48:15,153 INFO L290 TraceCheckUtils]: 12: Hoare triple {1360#false} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1360#false} is VALID [2022-02-20 23:48:15,153 INFO L290 TraceCheckUtils]: 13: Hoare triple {1360#false} main_#res#1 := 0; {1360#false} is VALID [2022-02-20 23:48:15,153 INFO L290 TraceCheckUtils]: 14: Hoare triple {1360#false} assume !(#valid == main_old_#valid#1); {1360#false} is VALID [2022-02-20 23:48:15,153 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 23:48:15,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:15,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648876798] [2022-02-20 23:48:15,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648876798] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:15,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:15,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:48:15,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815214240] [2022-02-20 23:48:15,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:48:15,155 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:15,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,164 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:15,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:15,164 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:15,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:15,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:15,165 INFO L87 Difference]: Start difference. First operand 69 states and 78 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:15,272 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:48:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:48:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:48:15,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2022-02-20 23:48:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2022-02-20 23:48:15,275 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 80 transitions. [2022-02-20 23:48:15,327 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:15,328 INFO L225 Difference]: With dead ends: 76 [2022-02-20 23:48:15,328 INFO L226 Difference]: Without dead ends: 76 [2022-02-20 23:48:15,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:48:15,329 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 84 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:15,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 52 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-20 23:48:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2022-02-20 23:48:15,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:15,332 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,332 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,332 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:15,333 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:48:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-20 23:48:15,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:15,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:15,334 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-20 23:48:15,334 INFO L87 Difference]: Start difference. First operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-20 23:48:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:15,335 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:48:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-20 23:48:15,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:15,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:15,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:15,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 68 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 75 transitions. [2022-02-20 23:48:15,338 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 75 transitions. Word has length 15 [2022-02-20 23:48:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:15,338 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 75 transitions. [2022-02-20 23:48:15,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2022-02-20 23:48:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:48:15,339 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:15,339 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:15,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:48:15,339 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash -90857936, now seen corresponding path program 1 times [2022-02-20 23:48:15,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:15,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702613614] [2022-02-20 23:48:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:15,438 INFO L290 TraceCheckUtils]: 0: Hoare triple {1664#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {1664#true} is VALID [2022-02-20 23:48:15,439 INFO L290 TraceCheckUtils]: 1: Hoare triple {1664#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1666#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,439 INFO L290 TraceCheckUtils]: 2: Hoare triple {1666#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1666#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,440 INFO L290 TraceCheckUtils]: 3: Hoare triple {1666#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,440 INFO L290 TraceCheckUtils]: 4: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,441 INFO L290 TraceCheckUtils]: 5: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,441 INFO L290 TraceCheckUtils]: 6: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,442 INFO L290 TraceCheckUtils]: 7: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,443 INFO L290 TraceCheckUtils]: 8: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {1668#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:15,443 INFO L290 TraceCheckUtils]: 9: Hoare triple {1668#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,444 INFO L290 TraceCheckUtils]: 10: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,444 INFO L290 TraceCheckUtils]: 11: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,445 INFO L290 TraceCheckUtils]: 12: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,445 INFO L290 TraceCheckUtils]: 13: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} is VALID [2022-02-20 23:48:15,446 INFO L290 TraceCheckUtils]: 14: Hoare triple {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,446 INFO L290 TraceCheckUtils]: 15: Hoare triple {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1665#false} is VALID [2022-02-20 23:48:15,446 INFO L290 TraceCheckUtils]: 16: Hoare triple {1665#false} assume !(1 == #valid[main_~p~0#1.base]); {1665#false} is VALID [2022-02-20 23:48:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:15,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:15,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702613614] [2022-02-20 23:48:15,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702613614] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:15,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248410742] [2022-02-20 23:48:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:15,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:15,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:15,449 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 23:48:15,456 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 23:48:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:15,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-20 23:48:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:15,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:15,657 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 23:48:15,662 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 23:48:15,762 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 23:48:15,768 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 23:48:15,781 INFO L290 TraceCheckUtils]: 0: Hoare triple {1664#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {1664#true} is VALID [2022-02-20 23:48:15,781 INFO L290 TraceCheckUtils]: 1: Hoare triple {1664#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,782 INFO L290 TraceCheckUtils]: 2: Hoare triple {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,782 INFO L290 TraceCheckUtils]: 3: Hoare triple {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,783 INFO L290 TraceCheckUtils]: 4: Hoare triple {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,783 INFO L290 TraceCheckUtils]: 5: Hoare triple {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,784 INFO L290 TraceCheckUtils]: 6: Hoare triple {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,784 INFO L290 TraceCheckUtils]: 7: Hoare triple {1685#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,785 INFO L290 TraceCheckUtils]: 8: Hoare triple {1667#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {1668#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:15,786 INFO L290 TraceCheckUtils]: 9: Hoare triple {1668#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1704#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:15,786 INFO L290 TraceCheckUtils]: 10: Hoare triple {1704#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1704#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:15,787 INFO L290 TraceCheckUtils]: 11: Hoare triple {1704#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,787 INFO L290 TraceCheckUtils]: 12: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,788 INFO L290 TraceCheckUtils]: 13: Hoare triple {1669#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} is VALID [2022-02-20 23:48:15,788 INFO L290 TraceCheckUtils]: 14: Hoare triple {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:15,789 INFO L290 TraceCheckUtils]: 15: Hoare triple {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1665#false} is VALID [2022-02-20 23:48:15,789 INFO L290 TraceCheckUtils]: 16: Hoare triple {1665#false} assume !(1 == #valid[main_~p~0#1.base]); {1665#false} is VALID [2022-02-20 23:48:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:15,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:16,047 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 55 treesize of output 49 [2022-02-20 23:48:16,065 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 47 treesize of output 41 [2022-02-20 23:48:16,357 INFO L290 TraceCheckUtils]: 16: Hoare triple {1665#false} assume !(1 == #valid[main_~p~0#1.base]); {1665#false} is VALID [2022-02-20 23:48:16,358 INFO L290 TraceCheckUtils]: 15: Hoare triple {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1665#false} is VALID [2022-02-20 23:48:16,358 INFO L290 TraceCheckUtils]: 14: Hoare triple {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {1671#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:16,359 INFO L290 TraceCheckUtils]: 13: Hoare triple {1735#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {1670#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} is VALID [2022-02-20 23:48:16,359 INFO L290 TraceCheckUtils]: 12: Hoare triple {1735#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {1735#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:48:16,360 INFO L290 TraceCheckUtils]: 11: Hoare triple {1742#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {1735#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:48:16,360 INFO L290 TraceCheckUtils]: 10: Hoare triple {1742#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {1742#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:16,361 INFO L290 TraceCheckUtils]: 9: Hoare triple {1749#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_32| |ULTIMATE.start_main_~a~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_32| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_32| 4)) 0))))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1742#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:16,362 INFO L290 TraceCheckUtils]: 8: Hoare triple {1753#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {1749#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_32| |ULTIMATE.start_main_~a~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_32| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_32| 4)) 0))))} is VALID [2022-02-20 23:48:16,363 INFO L290 TraceCheckUtils]: 7: Hoare triple {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {1753#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} is VALID [2022-02-20 23:48:16,364 INFO L290 TraceCheckUtils]: 6: Hoare triple {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:16,365 INFO L290 TraceCheckUtils]: 5: Hoare triple {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:16,365 INFO L290 TraceCheckUtils]: 4: Hoare triple {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} main_#t~short5#1 := main_~i~0#1 < 30; {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:16,366 INFO L290 TraceCheckUtils]: 3: Hoare triple {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {1757#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:16,366 INFO L290 TraceCheckUtils]: 2: Hoare triple {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:16,366 INFO L290 TraceCheckUtils]: 1: Hoare triple {1664#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1678#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:16,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {1664#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {1664#true} is VALID [2022-02-20 23:48:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:16,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248410742] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:16,367 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:16,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 16 [2022-02-20 23:48:16,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858472129] [2022-02-20 23:48:16,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:16,368 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 17 [2022-02-20 23:48:16,368 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:16,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 23:48:16,396 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 23:48:16,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-20 23:48:16,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:16,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-20 23:48:16,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-02-20 23:48:16,398 INFO L87 Difference]: Start difference. First operand 69 states and 75 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 23:48:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:16,935 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-02-20 23:48:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:16,935 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 17 [2022-02-20 23:48:16,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 23:48:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 85 transitions. [2022-02-20 23:48:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 23:48:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 85 transitions. [2022-02-20 23:48:16,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 85 transitions. [2022-02-20 23:48:16,994 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:16,994 INFO L225 Difference]: With dead ends: 79 [2022-02-20 23:48:16,994 INFO L226 Difference]: Without dead ends: 79 [2022-02-20 23:48:16,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-02-20 23:48:16,995 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 213 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:16,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 180 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 251 Invalid, 0 Unknown, 27 Unchecked, 0.2s Time] [2022-02-20 23:48:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-02-20 23:48:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2022-02-20 23:48:16,998 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:16,998 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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 23:48:16,998 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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 23:48:16,998 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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 23:48:16,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:16,999 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-02-20 23:48:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-02-20 23:48:16,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:16,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:17,000 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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) Second operand 79 states. [2022-02-20 23:48:17,000 INFO L87 Difference]: Start difference. First operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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) Second operand 79 states. [2022-02-20 23:48:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:17,001 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-02-20 23:48:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-02-20 23:48:17,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:17,002 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:17,002 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:17,002 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 71 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 23:48:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2022-02-20 23:48:17,003 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 17 [2022-02-20 23:48:17,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:17,004 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2022-02-20 23:48:17,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 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 23:48:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2022-02-20 23:48:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:48:17,004 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:17,004 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:17,024 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 23:48:17,222 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,SelfDestructingSolverStorable5 [2022-02-20 23:48:17,222 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1332204603, now seen corresponding path program 1 times [2022-02-20 23:48:17,222 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:17,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140858989] [2022-02-20 23:48:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:17,301 INFO L290 TraceCheckUtils]: 0: Hoare triple {2096#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2096#true} is VALID [2022-02-20 23:48:17,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {2096#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2096#true} is VALID [2022-02-20 23:48:17,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {2096#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2096#true} is VALID [2022-02-20 23:48:17,304 INFO L290 TraceCheckUtils]: 3: Hoare triple {2096#true} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2096#true} is VALID [2022-02-20 23:48:17,304 INFO L290 TraceCheckUtils]: 4: Hoare triple {2096#true} main_#t~short5#1 := main_~i~0#1 < 30; {2096#true} is VALID [2022-02-20 23:48:17,306 INFO L290 TraceCheckUtils]: 5: Hoare triple {2096#true} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2096#true} is VALID [2022-02-20 23:48:17,307 INFO L290 TraceCheckUtils]: 6: Hoare triple {2096#true} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2096#true} is VALID [2022-02-20 23:48:17,307 INFO L290 TraceCheckUtils]: 7: Hoare triple {2096#true} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {2096#true} is VALID [2022-02-20 23:48:17,307 INFO L290 TraceCheckUtils]: 8: Hoare triple {2096#true} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {2098#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {2098#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {2098#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,309 INFO L290 TraceCheckUtils]: 10: Hoare triple {2098#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {2099#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:17,309 INFO L290 TraceCheckUtils]: 11: Hoare triple {2099#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {2100#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:48:17,310 INFO L290 TraceCheckUtils]: 12: Hoare triple {2100#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,310 INFO L290 TraceCheckUtils]: 13: Hoare triple {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} main_#t~short5#1 := main_~i~0#1 < 30; {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,310 INFO L290 TraceCheckUtils]: 14: Hoare triple {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,311 INFO L290 TraceCheckUtils]: 15: Hoare triple {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:17,311 INFO L290 TraceCheckUtils]: 16: Hoare triple {2101#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {2097#false} is VALID [2022-02-20 23:48:17,311 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 23:48:17,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:17,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140858989] [2022-02-20 23:48:17,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140858989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:17,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:17,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:17,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85666659] [2022-02-20 23:48:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:17,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:17,313 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:17,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 3.4) 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 23:48:17,323 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 23:48:17,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:17,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:17,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:17,324 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:17,562 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2022-02-20 23:48:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:48:17,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:17,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 70 transitions. [2022-02-20 23:48:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 70 transitions. [2022-02-20 23:48:17,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 70 transitions. [2022-02-20 23:48:17,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:17,610 INFO L225 Difference]: With dead ends: 74 [2022-02-20 23:48:17,610 INFO L226 Difference]: Without dead ends: 74 [2022-02-20 23:48:17,610 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 23:48:17,611 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 53 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:17,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 123 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:17,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-02-20 23:48:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2022-02-20 23:48:17,613 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:17,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:17,614 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:17,614 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:17,615 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2022-02-20 23:48:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2022-02-20 23:48:17,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:17,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:17,615 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 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 74 states. [2022-02-20 23:48:17,615 INFO L87 Difference]: Start difference. First operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 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 74 states. [2022-02-20 23:48:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:17,616 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2022-02-20 23:48:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2022-02-20 23:48:17,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:17,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:17,617 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:17,617 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2022-02-20 23:48:17,618 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 17 [2022-02-20 23:48:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:17,619 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2022-02-20 23:48:17,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-02-20 23:48:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:48:17,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:17,619 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:17,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:48:17,620 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:17,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:17,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1332204604, now seen corresponding path program 1 times [2022-02-20 23:48:17,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:17,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534533404] [2022-02-20 23:48:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:17,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:17,677 INFO L290 TraceCheckUtils]: 0: Hoare triple {2403#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2403#true} is VALID [2022-02-20 23:48:17,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {2403#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2403#true} is VALID [2022-02-20 23:48:17,677 INFO L290 TraceCheckUtils]: 2: Hoare triple {2403#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2403#true} is VALID [2022-02-20 23:48:17,677 INFO L290 TraceCheckUtils]: 3: Hoare triple {2403#true} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2403#true} is VALID [2022-02-20 23:48:17,677 INFO L290 TraceCheckUtils]: 4: Hoare triple {2403#true} main_#t~short5#1 := main_~i~0#1 < 30; {2403#true} is VALID [2022-02-20 23:48:17,678 INFO L290 TraceCheckUtils]: 5: Hoare triple {2403#true} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2403#true} is VALID [2022-02-20 23:48:17,678 INFO L290 TraceCheckUtils]: 6: Hoare triple {2403#true} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2403#true} is VALID [2022-02-20 23:48:17,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {2403#true} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {2403#true} is VALID [2022-02-20 23:48:17,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {2403#true} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {2405#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,679 INFO L290 TraceCheckUtils]: 9: Hoare triple {2405#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {2405#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,680 INFO L290 TraceCheckUtils]: 10: Hoare triple {2405#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {2406#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} is VALID [2022-02-20 23:48:17,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {2406#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {2407#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:48:17,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {2407#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,681 INFO L290 TraceCheckUtils]: 13: Hoare triple {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,681 INFO L290 TraceCheckUtils]: 14: Hoare triple {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:17,682 INFO L290 TraceCheckUtils]: 16: Hoare triple {2408#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(4 + main_~p~0#1.offset <= #length[main_~p~0#1.base] && 0 <= main_~p~0#1.offset); {2404#false} is VALID [2022-02-20 23:48:17,682 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 23:48:17,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:17,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534533404] [2022-02-20 23:48:17,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534533404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:17,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:17,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:17,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364990617] [2022-02-20 23:48:17,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:17,684 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:17,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 3.4) 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 23:48:17,695 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 23:48:17,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:17,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:17,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:17,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:17,696 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:17,983 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:17,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2022-02-20 23:48:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) 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 23:48:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2022-02-20 23:48:17,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 72 transitions. [2022-02-20 23:48:18,033 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:18,033 INFO L225 Difference]: With dead ends: 70 [2022-02-20 23:48:18,034 INFO L226 Difference]: Without dead ends: 70 [2022-02-20 23:48:18,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:48:18,034 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:18,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 144 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-20 23:48:18,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 60. [2022-02-20 23:48:18,036 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:18,037 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,037 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,037 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,038 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-02-20 23:48:18,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,038 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:18,038 INFO L87 Difference]: Start difference. First operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:18,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,039 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-02-20 23:48:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-02-20 23:48:18,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:18,040 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2022-02-20 23:48:18,041 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 17 [2022-02-20 23:48:18,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:18,041 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2022-02-20 23:48:18,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) 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 23:48:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-02-20 23:48:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:48:18,042 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:18,042 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 23:48:18,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:48:18,042 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:18,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:18,043 INFO L85 PathProgramCache]: Analyzing trace with hash 76906689, now seen corresponding path program 1 times [2022-02-20 23:48:18,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:18,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681074585] [2022-02-20 23:48:18,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:18,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:18,095 INFO L290 TraceCheckUtils]: 0: Hoare triple {2692#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2692#true} is VALID [2022-02-20 23:48:18,096 INFO L290 TraceCheckUtils]: 1: Hoare triple {2692#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,096 INFO L290 TraceCheckUtils]: 2: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,096 INFO L290 TraceCheckUtils]: 3: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,097 INFO L290 TraceCheckUtils]: 4: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short5#1 := main_~i~0#1 < 30; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,097 INFO L290 TraceCheckUtils]: 5: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,097 INFO L290 TraceCheckUtils]: 6: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,098 INFO L290 TraceCheckUtils]: 7: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,098 INFO L290 TraceCheckUtils]: 8: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,098 INFO L290 TraceCheckUtils]: 9: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,099 INFO L290 TraceCheckUtils]: 10: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,099 INFO L290 TraceCheckUtils]: 11: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,099 INFO L290 TraceCheckUtils]: 12: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,100 INFO L290 TraceCheckUtils]: 13: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,100 INFO L290 TraceCheckUtils]: 14: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,100 INFO L290 TraceCheckUtils]: 15: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,101 INFO L290 TraceCheckUtils]: 16: Hoare triple {2694#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,101 INFO L290 TraceCheckUtils]: 17: Hoare triple {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,101 INFO L290 TraceCheckUtils]: 18: Hoare triple {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,102 INFO L290 TraceCheckUtils]: 19: Hoare triple {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,102 INFO L290 TraceCheckUtils]: 20: Hoare triple {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~p~0#1.offset; {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:18,102 INFO L290 TraceCheckUtils]: 21: Hoare triple {2695#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~p~0#1.base < #StackHeapBarrier); {2693#false} is VALID [2022-02-20 23:48:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:18,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:18,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681074585] [2022-02-20 23:48:18,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681074585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:18,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:18,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:18,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105196761] [2022-02-20 23:48:18,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,104 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:18,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,118 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 23:48:18,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:18,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:18,119 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,210 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-20 23:48:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:48:18,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2022-02-20 23:48:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2022-02-20 23:48:18,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 70 transitions. [2022-02-20 23:48:18,257 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:18,259 INFO L225 Difference]: With dead ends: 70 [2022-02-20 23:48:18,259 INFO L226 Difference]: Without dead ends: 70 [2022-02-20 23:48:18,259 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 23:48:18,259 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 60 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:18,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 39 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:18,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-20 23:48:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 61. [2022-02-20 23:48:18,261 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:18,261 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,261 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,261 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,262 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-20 23:48:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-02-20 23:48:18,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,263 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:18,263 INFO L87 Difference]: Start difference. First operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-20 23:48:18,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,264 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-20 23:48:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-02-20 23:48:18,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,265 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:18,265 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2022-02-20 23:48:18,266 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 22 [2022-02-20 23:48:18,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:18,266 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2022-02-20 23:48:18,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 23:48:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2022-02-20 23:48:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:48:18,266 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:18,267 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:18,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:48:18,267 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:18,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:18,267 INFO L85 PathProgramCache]: Analyzing trace with hash -296680512, now seen corresponding path program 1 times [2022-02-20 23:48:18,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:18,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657805051] [2022-02-20 23:48:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:18,448 INFO L290 TraceCheckUtils]: 0: Hoare triple {2971#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2971#true} is VALID [2022-02-20 23:48:18,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {2971#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2971#true} is VALID [2022-02-20 23:48:18,449 INFO L290 TraceCheckUtils]: 2: Hoare triple {2971#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2971#true} is VALID [2022-02-20 23:48:18,449 INFO L290 TraceCheckUtils]: 3: Hoare triple {2971#true} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,449 INFO L290 TraceCheckUtils]: 4: Hoare triple {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} main_#t~short5#1 := main_~i~0#1 < 30; {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,450 INFO L290 TraceCheckUtils]: 5: Hoare triple {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,450 INFO L290 TraceCheckUtils]: 6: Hoare triple {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,451 INFO L290 TraceCheckUtils]: 7: Hoare triple {2973#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {2974#(and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:18,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {2974#(and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {2975#(and (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,452 INFO L290 TraceCheckUtils]: 9: Hoare triple {2975#(and (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {2975#(and (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,453 INFO L290 TraceCheckUtils]: 10: Hoare triple {2975#(and (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {2976#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:18,454 INFO L290 TraceCheckUtils]: 11: Hoare triple {2976#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {2977#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:18,454 INFO L290 TraceCheckUtils]: 12: Hoare triple {2977#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:18,455 INFO L290 TraceCheckUtils]: 13: Hoare triple {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} main_#t~short5#1 := main_~i~0#1 < 30; {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:18,455 INFO L290 TraceCheckUtils]: 14: Hoare triple {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:18,456 INFO L290 TraceCheckUtils]: 15: Hoare triple {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:18,456 INFO L290 TraceCheckUtils]: 16: Hoare triple {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:18,457 INFO L290 TraceCheckUtils]: 17: Hoare triple {2978#(and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {2979#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0)} is VALID [2022-02-20 23:48:18,457 INFO L290 TraceCheckUtils]: 18: Hoare triple {2979#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2980#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:18,458 INFO L290 TraceCheckUtils]: 19: Hoare triple {2980#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {2980#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:18,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {2980#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {2981#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:18,458 INFO L290 TraceCheckUtils]: 21: Hoare triple {2981#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {2972#false} is VALID [2022-02-20 23:48:18,459 INFO L290 TraceCheckUtils]: 22: Hoare triple {2972#false} assume !false; {2972#false} is VALID [2022-02-20 23:48:18,459 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 23:48:18,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:18,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657805051] [2022-02-20 23:48:18,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657805051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:18,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450632948] [2022-02-20 23:48:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:18,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:18,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:18,463 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 23:48:18,464 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 23:48:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:18,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 23:48:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:18,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:18,622 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 23:48:18,664 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:18,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:48:18,753 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 23:48:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:18,764 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 23:48:18,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2022-02-20 23:48:18,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:48:18,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:48:19,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:19,039 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:19,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-02-20 23:48:19,069 INFO L290 TraceCheckUtils]: 0: Hoare triple {2971#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2971#true} is VALID [2022-02-20 23:48:19,069 INFO L290 TraceCheckUtils]: 1: Hoare triple {2971#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2988#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:19,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {2988#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2988#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:19,070 INFO L290 TraceCheckUtils]: 3: Hoare triple {2988#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,071 INFO L290 TraceCheckUtils]: 4: Hoare triple {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} main_#t~short5#1 := main_~i~0#1 < 30; {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,071 INFO L290 TraceCheckUtils]: 5: Hoare triple {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,072 INFO L290 TraceCheckUtils]: 6: Hoare triple {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,073 INFO L290 TraceCheckUtils]: 7: Hoare triple {2995#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {3008#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:19,073 INFO L290 TraceCheckUtils]: 8: Hoare triple {3008#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {3012#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,074 INFO L290 TraceCheckUtils]: 9: Hoare triple {3012#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {3012#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,075 INFO L290 TraceCheckUtils]: 10: Hoare triple {3012#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {3019#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:19,075 INFO L290 TraceCheckUtils]: 11: Hoare triple {3019#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {3023#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:19,076 INFO L290 TraceCheckUtils]: 12: Hoare triple {3023#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,076 INFO L290 TraceCheckUtils]: 13: Hoare triple {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} main_#t~short5#1 := main_~i~0#1 < 30; {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,077 INFO L290 TraceCheckUtils]: 14: Hoare triple {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,077 INFO L290 TraceCheckUtils]: 15: Hoare triple {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,078 INFO L290 TraceCheckUtils]: 16: Hoare triple {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,079 INFO L290 TraceCheckUtils]: 17: Hoare triple {3027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {3043#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} is VALID [2022-02-20 23:48:19,079 INFO L290 TraceCheckUtils]: 18: Hoare triple {3043#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3047#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 0))} is VALID [2022-02-20 23:48:19,080 INFO L290 TraceCheckUtils]: 19: Hoare triple {3047#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3047#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 0))} is VALID [2022-02-20 23:48:19,080 INFO L290 TraceCheckUtils]: 20: Hoare triple {3047#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {3054#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_#t~mem9#1| 0))} is VALID [2022-02-20 23:48:19,081 INFO L290 TraceCheckUtils]: 21: Hoare triple {3054#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_#t~mem9#1| 0))} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {2972#false} is VALID [2022-02-20 23:48:19,081 INFO L290 TraceCheckUtils]: 22: Hoare triple {2972#false} assume !false; {2972#false} is VALID [2022-02-20 23:48:19,081 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 23:48:19,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:19,270 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) is different from false [2022-02-20 23:48:19,564 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) is different from false [2022-02-20 23:48:19,636 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) is different from false [2022-02-20 23:48:19,736 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) is different from false [2022-02-20 23:48:20,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:20,257 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:20,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-02-20 23:48:20,301 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:20,302 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 33 [2022-02-20 23:48:20,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-02-20 23:48:20,373 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:20,373 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 23:48:20,668 INFO L290 TraceCheckUtils]: 22: Hoare triple {2972#false} assume !false; {2972#false} is VALID [2022-02-20 23:48:20,668 INFO L290 TraceCheckUtils]: 21: Hoare triple {2981#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {2972#false} is VALID [2022-02-20 23:48:20,669 INFO L290 TraceCheckUtils]: 20: Hoare triple {3067#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {2981#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:20,669 INFO L290 TraceCheckUtils]: 19: Hoare triple {3067#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3067#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-20 23:48:20,670 INFO L290 TraceCheckUtils]: 18: Hoare triple {3074#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3067#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-20 23:48:20,671 INFO L290 TraceCheckUtils]: 17: Hoare triple {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {3074#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,674 WARN L290 TraceCheckUtils]: 16: Hoare triple {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is UNKNOWN [2022-02-20 23:48:20,675 INFO L290 TraceCheckUtils]: 15: Hoare triple {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,675 INFO L290 TraceCheckUtils]: 14: Hoare triple {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,675 INFO L290 TraceCheckUtils]: 13: Hoare triple {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} main_#t~short5#1 := main_~i~0#1 < 30; {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,676 INFO L290 TraceCheckUtils]: 12: Hoare triple {3094#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {3078#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,677 INFO L290 TraceCheckUtils]: 11: Hoare triple {3098#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {3094#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {3102#(forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {3098#(forall ((v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,680 INFO L290 TraceCheckUtils]: 9: Hoare triple {3102#(forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {3102#(forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is VALID [2022-02-20 23:48:20,683 WARN L290 TraceCheckUtils]: 8: Hoare triple {3109#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_11| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_11|) 0)) (forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |v_ULTIMATE.start_main_~t~0#1.base_11| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {3102#(forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))} is UNKNOWN [2022-02-20 23:48:20,684 INFO L290 TraceCheckUtils]: 7: Hoare triple {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {3109#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_11| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_11|) 0)) (forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |v_ULTIMATE.start_main_~t~0#1.base_11| v_ArrVal_176) |ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|))))))} is VALID [2022-02-20 23:48:20,685 INFO L290 TraceCheckUtils]: 6: Hoare triple {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:20,686 INFO L290 TraceCheckUtils]: 5: Hoare triple {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:20,686 INFO L290 TraceCheckUtils]: 4: Hoare triple {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} main_#t~short5#1 := main_~i~0#1 < 30; {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:20,687 INFO L290 TraceCheckUtils]: 3: Hoare triple {3126#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3113#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:20,687 INFO L290 TraceCheckUtils]: 2: Hoare triple {3126#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3126#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:20,688 INFO L290 TraceCheckUtils]: 1: Hoare triple {2971#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3126#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:20,688 INFO L290 TraceCheckUtils]: 0: Hoare triple {2971#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {2971#true} is VALID [2022-02-20 23:48:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-02-20 23:48:20,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450632948] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:20,688 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:20,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2022-02-20 23:48:20,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535084729] [2022-02-20 23:48:20,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:20,689 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-02-20 23:48:20,690 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:20,690 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:20,745 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 61 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:20,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 23:48:20,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:20,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 23:48:20,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=557, Unknown=4, NotChecked=204, Total=870 [2022-02-20 23:48:20,746 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:21,280 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~p~0#1.offset|))) (and (forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (<= |c_ULTIMATE.start_main_~p~0#1.offset| 0) (= (select .cse0 0) 0) (= .cse1 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= .cse1 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)))) is different from false [2022-02-20 23:48:21,585 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_171 Int) (v_ArrVal_176 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_35| Int)) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_171)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_35|) 0) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_35| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_35|)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) is different from false [2022-02-20 23:48:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:22,326 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2022-02-20 23:48:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:48:22,327 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-02-20 23:48:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 84 transitions. [2022-02-20 23:48:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 84 transitions. [2022-02-20 23:48:22,328 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 84 transitions. [2022-02-20 23:48:22,395 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:22,396 INFO L225 Difference]: With dead ends: 87 [2022-02-20 23:48:22,396 INFO L226 Difference]: Without dead ends: 87 [2022-02-20 23:48:22,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=184, Invalid=826, Unknown=6, NotChecked=390, Total=1406 [2022-02-20 23:48:22,397 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 40 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 295 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:22,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 437 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 490 Invalid, 0 Unknown, 295 Unchecked, 0.4s Time] [2022-02-20 23:48:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-02-20 23:48:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 76. [2022-02-20 23:48:22,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:22,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,399 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,399 INFO L87 Difference]: Start difference. First operand 87 states. Second operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:22,400 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2022-02-20 23:48:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2022-02-20 23:48:22,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:22,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:22,400 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:48:22,400 INFO L87 Difference]: Start difference. First operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:48:22,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:22,401 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2022-02-20 23:48:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2022-02-20 23:48:22,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:22,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:22,402 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:22,402 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2022-02-20 23:48:22,403 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 23 [2022-02-20 23:48:22,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:22,403 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2022-02-20 23:48:22,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2022-02-20 23:48:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:48:22,404 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:22,404 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] [2022-02-20 23:48:22,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 23:48:22,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-20 23:48:22,619 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:22,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1909738955, now seen corresponding path program 1 times [2022-02-20 23:48:22,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:22,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112243020] [2022-02-20 23:48:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:22,734 INFO L290 TraceCheckUtils]: 0: Hoare triple {3491#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {3491#true} is VALID [2022-02-20 23:48:22,734 INFO L290 TraceCheckUtils]: 1: Hoare triple {3491#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3493#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:22,735 INFO L290 TraceCheckUtils]: 2: Hoare triple {3493#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3493#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:22,735 INFO L290 TraceCheckUtils]: 3: Hoare triple {3493#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,736 INFO L290 TraceCheckUtils]: 4: Hoare triple {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,736 INFO L290 TraceCheckUtils]: 5: Hoare triple {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,737 INFO L290 TraceCheckUtils]: 6: Hoare triple {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,737 INFO L290 TraceCheckUtils]: 7: Hoare triple {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,738 INFO L290 TraceCheckUtils]: 8: Hoare triple {3494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,739 INFO L290 TraceCheckUtils]: 9: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,739 INFO L290 TraceCheckUtils]: 10: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,740 INFO L290 TraceCheckUtils]: 11: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,740 INFO L290 TraceCheckUtils]: 12: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,741 INFO L290 TraceCheckUtils]: 13: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,741 INFO L290 TraceCheckUtils]: 14: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,742 INFO L290 TraceCheckUtils]: 15: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:22,742 INFO L290 TraceCheckUtils]: 16: Hoare triple {3495#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {3496#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,743 INFO L290 TraceCheckUtils]: 17: Hoare triple {3496#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3496#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,744 INFO L290 TraceCheckUtils]: 18: Hoare triple {3496#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {3497#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,744 INFO L290 TraceCheckUtils]: 19: Hoare triple {3497#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {3498#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,744 INFO L290 TraceCheckUtils]: 20: Hoare triple {3498#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume 0 == main_~p~0#1.offset; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,745 INFO L290 TraceCheckUtils]: 21: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume main_~p~0#1.base < #StackHeapBarrier; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,745 INFO L290 TraceCheckUtils]: 22: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:22,746 INFO L290 TraceCheckUtils]: 23: Hoare triple {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3492#false} is VALID [2022-02-20 23:48:22,746 INFO L290 TraceCheckUtils]: 24: Hoare triple {3492#false} assume !(1 == #valid[main_~p~0#1.base]); {3492#false} is VALID [2022-02-20 23:48:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:22,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:22,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112243020] [2022-02-20 23:48:22,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112243020] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:22,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875365688] [2022-02-20 23:48:22,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:22,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:22,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:22,748 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 23:48:22,749 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 23:48:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:22,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-20 23:48:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:22,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:22,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:48:22,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:48:23,698 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:23,698 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 19 treesize of output 19 [2022-02-20 23:48:23,724 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:23,724 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 19 treesize of output 19 [2022-02-20 23:48:23,872 INFO L290 TraceCheckUtils]: 0: Hoare triple {3491#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {3491#true} is VALID [2022-02-20 23:48:23,872 INFO L290 TraceCheckUtils]: 1: Hoare triple {3491#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:23,873 INFO L290 TraceCheckUtils]: 2: Hoare triple {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:23,873 INFO L290 TraceCheckUtils]: 3: Hoare triple {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:23,874 INFO L290 TraceCheckUtils]: 4: Hoare triple {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} main_#t~short5#1 := main_~i~0#1 < 30; {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:23,874 INFO L290 TraceCheckUtils]: 5: Hoare triple {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:23,875 INFO L290 TraceCheckUtils]: 6: Hoare triple {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:23,875 INFO L290 TraceCheckUtils]: 7: Hoare triple {3514#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {3527#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:23,877 INFO L290 TraceCheckUtils]: 8: Hoare triple {3527#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,877 INFO L290 TraceCheckUtils]: 9: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,878 INFO L290 TraceCheckUtils]: 10: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,879 INFO L290 TraceCheckUtils]: 11: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,880 INFO L290 TraceCheckUtils]: 12: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,880 INFO L290 TraceCheckUtils]: 13: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,881 INFO L290 TraceCheckUtils]: 14: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,882 INFO L290 TraceCheckUtils]: 15: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:23,883 INFO L290 TraceCheckUtils]: 16: Hoare triple {3531#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {3556#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:23,884 INFO L290 TraceCheckUtils]: 17: Hoare triple {3556#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3556#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:23,884 INFO L290 TraceCheckUtils]: 18: Hoare triple {3556#(exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {3563#(or (and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:23,885 INFO L290 TraceCheckUtils]: 19: Hoare triple {3563#(or (and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {3567#(or (and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:23,885 INFO L290 TraceCheckUtils]: 20: Hoare triple {3567#(or (and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} assume 0 == main_~p~0#1.offset; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:23,886 INFO L290 TraceCheckUtils]: 21: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume main_~p~0#1.base < #StackHeapBarrier; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:23,886 INFO L290 TraceCheckUtils]: 22: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:23,887 INFO L290 TraceCheckUtils]: 23: Hoare triple {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3492#false} is VALID [2022-02-20 23:48:23,887 INFO L290 TraceCheckUtils]: 24: Hoare triple {3492#false} assume !(1 == #valid[main_~p~0#1.base]); {3492#false} is VALID [2022-02-20 23:48:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:23,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:24,789 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 55 treesize of output 49 [2022-02-20 23:48:24,805 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 47 treesize of output 41 [2022-02-20 23:48:24,951 INFO L290 TraceCheckUtils]: 24: Hoare triple {3492#false} assume !(1 == #valid[main_~p~0#1.base]); {3492#false} is VALID [2022-02-20 23:48:24,951 INFO L290 TraceCheckUtils]: 23: Hoare triple {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3492#false} is VALID [2022-02-20 23:48:24,952 INFO L290 TraceCheckUtils]: 22: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {3500#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:24,952 INFO L290 TraceCheckUtils]: 21: Hoare triple {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume main_~p~0#1.base < #StackHeapBarrier; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:24,952 INFO L290 TraceCheckUtils]: 20: Hoare triple {3567#(or (and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} assume 0 == main_~p~0#1.offset; {3499#(and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:24,953 INFO L290 TraceCheckUtils]: 19: Hoare triple {3563#(or (and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {3567#(or (and (= |ULTIMATE.start_main_~t~0#1.base| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:24,954 INFO L290 TraceCheckUtils]: 18: Hoare triple {3601#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {3563#(or (and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:24,954 INFO L290 TraceCheckUtils]: 17: Hoare triple {3601#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3601#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,955 INFO L290 TraceCheckUtils]: 16: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {3601#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,956 INFO L290 TraceCheckUtils]: 15: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,956 INFO L290 TraceCheckUtils]: 14: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,957 INFO L290 TraceCheckUtils]: 13: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,958 INFO L290 TraceCheckUtils]: 12: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,959 INFO L290 TraceCheckUtils]: 11: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,959 INFO L290 TraceCheckUtils]: 10: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,960 INFO L290 TraceCheckUtils]: 9: Hoare triple {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,961 INFO L290 TraceCheckUtils]: 8: Hoare triple {3527#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {3608#(forall ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)) (< 0 |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~p~0#1.offset| 0)))} is VALID [2022-02-20 23:48:24,962 INFO L290 TraceCheckUtils]: 7: Hoare triple {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {3527#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:24,962 INFO L290 TraceCheckUtils]: 6: Hoare triple {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:24,963 INFO L290 TraceCheckUtils]: 5: Hoare triple {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:24,963 INFO L290 TraceCheckUtils]: 4: Hoare triple {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short5#1 := main_~i~0#1 < 30; {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:24,964 INFO L290 TraceCheckUtils]: 3: Hoare triple {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {3636#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:24,964 INFO L290 TraceCheckUtils]: 2: Hoare triple {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:24,965 INFO L290 TraceCheckUtils]: 1: Hoare triple {3491#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3507#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:24,965 INFO L290 TraceCheckUtils]: 0: Hoare triple {3491#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {3491#true} is VALID [2022-02-20 23:48:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:24,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875365688] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:24,965 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:24,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 20 [2022-02-20 23:48:24,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466246788] [2022-02-20 23:48:24,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:24,966 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 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 23:48:24,966 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:24,967 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,018 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:25,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-20 23:48:25,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:25,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-20 23:48:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-02-20 23:48:25,020 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,558 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2022-02-20 23:48:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:48:25,559 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 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 23:48:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 87 transitions. [2022-02-20 23:48:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 87 transitions. [2022-02-20 23:48:25,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 87 transitions. [2022-02-20 23:48:25,621 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:25,622 INFO L225 Difference]: With dead ends: 91 [2022-02-20 23:48:25,622 INFO L226 Difference]: Without dead ends: 91 [2022-02-20 23:48:25,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=560, Unknown=0, NotChecked=0, Total=702 [2022-02-20 23:48:25,622 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 152 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:25,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 179 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 222 Invalid, 0 Unknown, 53 Unchecked, 0.2s Time] [2022-02-20 23:48:25,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-02-20 23:48:25,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2022-02-20 23:48:25,624 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:25,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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 23:48:25,625 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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 23:48:25,625 INFO L87 Difference]: Start difference. First operand 91 states. Second operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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 23:48:25,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,626 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2022-02-20 23:48:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2022-02-20 23:48:25,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:25,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:25,626 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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) Second operand 91 states. [2022-02-20 23:48:25,627 INFO L87 Difference]: Start difference. First operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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) Second operand 91 states. [2022-02-20 23:48:25,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,627 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2022-02-20 23:48:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2022-02-20 23:48:25,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:25,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:25,628 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:25,628 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 83 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 23:48:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2022-02-20 23:48:25,629 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 25 [2022-02-20 23:48:25,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:25,629 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2022-02-20 23:48:25,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2022-02-20 23:48:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:48:25,630 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:25,630 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:25,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 23:48:25,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:25,839 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:25,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:25,840 INFO L85 PathProgramCache]: Analyzing trace with hash -927635976, now seen corresponding path program 1 times [2022-02-20 23:48:25,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:25,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342325348] [2022-02-20 23:48:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:25,906 INFO L290 TraceCheckUtils]: 0: Hoare triple {4032#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4032#true} is VALID [2022-02-20 23:48:25,907 INFO L290 TraceCheckUtils]: 1: Hoare triple {4032#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,907 INFO L290 TraceCheckUtils]: 2: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,907 INFO L290 TraceCheckUtils]: 3: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,908 INFO L290 TraceCheckUtils]: 4: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short5#1 := main_~i~0#1 < 30; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,908 INFO L290 TraceCheckUtils]: 5: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,908 INFO L290 TraceCheckUtils]: 6: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,908 INFO L290 TraceCheckUtils]: 7: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,909 INFO L290 TraceCheckUtils]: 8: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,909 INFO L290 TraceCheckUtils]: 9: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,909 INFO L290 TraceCheckUtils]: 10: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,910 INFO L290 TraceCheckUtils]: 11: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,910 INFO L290 TraceCheckUtils]: 12: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,910 INFO L290 TraceCheckUtils]: 13: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,911 INFO L290 TraceCheckUtils]: 14: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,911 INFO L290 TraceCheckUtils]: 15: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,911 INFO L290 TraceCheckUtils]: 16: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,912 INFO L290 TraceCheckUtils]: 17: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,912 INFO L290 TraceCheckUtils]: 18: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,912 INFO L290 TraceCheckUtils]: 20: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,913 INFO L290 TraceCheckUtils]: 21: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~p~0#1.base < #StackHeapBarrier; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:25,913 INFO L290 TraceCheckUtils]: 22: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:25,918 INFO L290 TraceCheckUtils]: 23: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:25,918 INFO L290 TraceCheckUtils]: 24: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:25,919 INFO L290 TraceCheckUtils]: 25: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {4033#false} is VALID [2022-02-20 23:48:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:25,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:25,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342325348] [2022-02-20 23:48:25,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342325348] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:25,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919593459] [2022-02-20 23:48:25,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:25,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:25,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:25,925 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 23:48:25,929 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 23:48:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:25,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-20 23:48:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:25,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:26,088 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 23:48:26,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {4032#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4032#true} is VALID [2022-02-20 23:48:26,138 INFO L290 TraceCheckUtils]: 1: Hoare triple {4032#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,138 INFO L290 TraceCheckUtils]: 2: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,138 INFO L290 TraceCheckUtils]: 3: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,139 INFO L290 TraceCheckUtils]: 4: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short5#1 := main_~i~0#1 < 30; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,139 INFO L290 TraceCheckUtils]: 5: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,139 INFO L290 TraceCheckUtils]: 6: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,140 INFO L290 TraceCheckUtils]: 7: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,140 INFO L290 TraceCheckUtils]: 8: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,140 INFO L290 TraceCheckUtils]: 9: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,141 INFO L290 TraceCheckUtils]: 10: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,141 INFO L290 TraceCheckUtils]: 11: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,141 INFO L290 TraceCheckUtils]: 12: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,142 INFO L290 TraceCheckUtils]: 13: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,142 INFO L290 TraceCheckUtils]: 14: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,142 INFO L290 TraceCheckUtils]: 15: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,143 INFO L290 TraceCheckUtils]: 16: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,143 INFO L290 TraceCheckUtils]: 17: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,143 INFO L290 TraceCheckUtils]: 18: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,144 INFO L290 TraceCheckUtils]: 19: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,144 INFO L290 TraceCheckUtils]: 20: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,144 INFO L290 TraceCheckUtils]: 21: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~p~0#1.base < #StackHeapBarrier; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,145 INFO L290 TraceCheckUtils]: 22: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} is VALID [2022-02-20 23:48:26,145 INFO L290 TraceCheckUtils]: 23: Hoare triple {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} is VALID [2022-02-20 23:48:26,146 INFO L290 TraceCheckUtils]: 24: Hoare triple {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} main_#res#1 := 0; {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} is VALID [2022-02-20 23:48:26,146 INFO L290 TraceCheckUtils]: 25: Hoare triple {4106#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_54| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_54|) 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|))} assume !(#valid == main_old_#valid#1); {4033#false} is VALID [2022-02-20 23:48:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:26,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:26,212 INFO L290 TraceCheckUtils]: 25: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {4033#false} is VALID [2022-02-20 23:48:26,212 INFO L290 TraceCheckUtils]: 24: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:26,213 INFO L290 TraceCheckUtils]: 23: Hoare triple {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:26,213 INFO L290 TraceCheckUtils]: 22: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.base || 1 == #valid[main_~p~0#1.base];call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~t~0#1.base, main_~t~0#1.offset; {4036#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:26,213 INFO L290 TraceCheckUtils]: 21: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~p~0#1.base < #StackHeapBarrier; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,214 INFO L290 TraceCheckUtils]: 20: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,214 INFO L290 TraceCheckUtils]: 19: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,214 INFO L290 TraceCheckUtils]: 18: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L558 {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,215 INFO L290 TraceCheckUtils]: 17: Hoare triple {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,215 INFO L290 TraceCheckUtils]: 16: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {4035#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,215 INFO L290 TraceCheckUtils]: 15: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,216 INFO L290 TraceCheckUtils]: 14: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,216 INFO L290 TraceCheckUtils]: 13: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,216 INFO L290 TraceCheckUtils]: 12: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,217 INFO L290 TraceCheckUtils]: 11: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,217 INFO L290 TraceCheckUtils]: 10: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,217 INFO L290 TraceCheckUtils]: 9: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,217 INFO L290 TraceCheckUtils]: 8: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,218 INFO L290 TraceCheckUtils]: 7: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,218 INFO L290 TraceCheckUtils]: 6: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,219 INFO L290 TraceCheckUtils]: 5: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,219 INFO L290 TraceCheckUtils]: 4: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short5#1 := main_~i~0#1 < 30; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,220 INFO L290 TraceCheckUtils]: 3: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,220 INFO L290 TraceCheckUtils]: 2: Hoare triple {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,225 INFO L290 TraceCheckUtils]: 1: Hoare triple {4032#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4034#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:26,225 INFO L290 TraceCheckUtils]: 0: Hoare triple {4032#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4032#true} is VALID [2022-02-20 23:48:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:48:26,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919593459] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:26,226 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:26,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:48:26,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518128769] [2022-02-20 23:48:26,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:26,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:26,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:26,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,244 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:26,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:26,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:26,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:26,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:26,244 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,374 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2022-02-20 23:48:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:48:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-02-20 23:48:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-02-20 23:48:26,376 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 69 transitions. [2022-02-20 23:48:26,405 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:26,405 INFO L225 Difference]: With dead ends: 86 [2022-02-20 23:48:26,406 INFO L226 Difference]: Without dead ends: 67 [2022-02-20 23:48:26,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 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 23:48:26,406 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:26,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 86 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:26,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-20 23:48:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-02-20 23:48:26,408 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:26,408 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,408 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,408 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,409 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2022-02-20 23:48:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-02-20 23:48:26,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:26,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:26,410 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 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 67 states. [2022-02-20 23:48:26,410 INFO L87 Difference]: Start difference. First operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 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 67 states. [2022-02-20 23:48:26,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,411 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2022-02-20 23:48:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-02-20 23:48:26,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:26,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:26,411 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:26,411 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2022-02-20 23:48:26,412 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 26 [2022-02-20 23:48:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:26,412 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2022-02-20 23:48:26,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-02-20 23:48:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:48:26,413 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:26,413 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:26,431 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 23:48:26,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:26,631 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:26,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash 638411638, now seen corresponding path program 1 times [2022-02-20 23:48:26,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:26,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848267195] [2022-02-20 23:48:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:26,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,832 INFO L290 TraceCheckUtils]: 0: Hoare triple {4481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4481#true} is VALID [2022-02-20 23:48:26,832 INFO L290 TraceCheckUtils]: 1: Hoare triple {4481#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4483#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:26,833 INFO L290 TraceCheckUtils]: 2: Hoare triple {4483#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4483#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:26,833 INFO L290 TraceCheckUtils]: 3: Hoare triple {4483#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,834 INFO L290 TraceCheckUtils]: 4: Hoare triple {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,835 INFO L290 TraceCheckUtils]: 5: Hoare triple {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,836 INFO L290 TraceCheckUtils]: 6: Hoare triple {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,837 INFO L290 TraceCheckUtils]: 7: Hoare triple {4484#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {4485#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:26,837 INFO L290 TraceCheckUtils]: 8: Hoare triple {4485#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {4486#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,838 INFO L290 TraceCheckUtils]: 9: Hoare triple {4486#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {4486#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,838 INFO L290 TraceCheckUtils]: 10: Hoare triple {4486#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {4487#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,839 INFO L290 TraceCheckUtils]: 11: Hoare triple {4487#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {4488#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|))} is VALID [2022-02-20 23:48:26,839 INFO L290 TraceCheckUtils]: 12: Hoare triple {4488#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,840 INFO L290 TraceCheckUtils]: 13: Hoare triple {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short5#1 := main_~i~0#1 < 30; {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,840 INFO L290 TraceCheckUtils]: 14: Hoare triple {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,841 INFO L290 TraceCheckUtils]: 15: Hoare triple {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,841 INFO L290 TraceCheckUtils]: 16: Hoare triple {4489#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4490#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:26,842 INFO L290 TraceCheckUtils]: 17: Hoare triple {4490#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:26,842 INFO L290 TraceCheckUtils]: 18: Hoare triple {4491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,843 INFO L290 TraceCheckUtils]: 19: Hoare triple {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,843 INFO L290 TraceCheckUtils]: 20: Hoare triple {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,844 INFO L290 TraceCheckUtils]: 21: Hoare triple {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:26,844 INFO L290 TraceCheckUtils]: 22: Hoare triple {4492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4493#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} is VALID [2022-02-20 23:48:26,845 INFO L290 TraceCheckUtils]: 23: Hoare triple {4493#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:26,845 INFO L290 TraceCheckUtils]: 24: Hoare triple {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:26,845 INFO L290 TraceCheckUtils]: 25: Hoare triple {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {4482#false} is VALID [2022-02-20 23:48:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:26,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:26,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848267195] [2022-02-20 23:48:26,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848267195] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:26,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854589720] [2022-02-20 23:48:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:26,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:26,848 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 23:48:26,849 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 23:48:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:48:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:27,008 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:48:27,009 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 23:48:27,070 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 23:48:27,202 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:27,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:48:27,226 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:27,226 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 23:48:27,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:27,386 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 27 treesize of output 13 [2022-02-20 23:48:27,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {4481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4481#true} is VALID [2022-02-20 23:48:27,497 INFO L290 TraceCheckUtils]: 1: Hoare triple {4481#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:27,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:27,498 INFO L290 TraceCheckUtils]: 3: Hoare triple {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:27,499 INFO L290 TraceCheckUtils]: 4: Hoare triple {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:27,499 INFO L290 TraceCheckUtils]: 5: Hoare triple {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:27,499 INFO L290 TraceCheckUtils]: 6: Hoare triple {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:27,500 INFO L290 TraceCheckUtils]: 7: Hoare triple {4508#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {4485#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,501 INFO L290 TraceCheckUtils]: 8: Hoare triple {4485#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {4524#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,501 INFO L290 TraceCheckUtils]: 9: Hoare triple {4524#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {4524#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,502 INFO L290 TraceCheckUtils]: 10: Hoare triple {4524#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {4531#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,503 INFO L290 TraceCheckUtils]: 11: Hoare triple {4531#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {4535#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,503 INFO L290 TraceCheckUtils]: 12: Hoare triple {4535#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,504 INFO L290 TraceCheckUtils]: 13: Hoare triple {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_#t~short5#1 := main_~i~0#1 < 30; {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,504 INFO L290 TraceCheckUtils]: 14: Hoare triple {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,505 INFO L290 TraceCheckUtils]: 15: Hoare triple {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,506 INFO L290 TraceCheckUtils]: 16: Hoare triple {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,506 INFO L290 TraceCheckUtils]: 17: Hoare triple {4539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,507 INFO L290 TraceCheckUtils]: 18: Hoare triple {4555#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4559#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,507 INFO L290 TraceCheckUtils]: 19: Hoare triple {4559#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4559#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,508 INFO L290 TraceCheckUtils]: 20: Hoare triple {4559#(and (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4566#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,508 INFO L290 TraceCheckUtils]: 21: Hoare triple {4566#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4566#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,509 INFO L290 TraceCheckUtils]: 22: Hoare triple {4566#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4573#(and (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1))} is VALID [2022-02-20 23:48:27,510 INFO L290 TraceCheckUtils]: 23: Hoare triple {4573#(and (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4577#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_61| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_61|) 1) (not (= |v_ULTIMATE.start_main_~p~0#1.base_61| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,510 INFO L290 TraceCheckUtils]: 24: Hoare triple {4577#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_61| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_61|) 1) (not (= |v_ULTIMATE.start_main_~p~0#1.base_61| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4577#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_61| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_61|) 1) (not (= |v_ULTIMATE.start_main_~p~0#1.base_61| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:27,511 INFO L290 TraceCheckUtils]: 25: Hoare triple {4577#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_61| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_61|) 1) (not (= |v_ULTIMATE.start_main_~p~0#1.base_61| |ULTIMATE.start_main_~p~0#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(1 == #valid[main_~p~0#1.base]); {4482#false} is VALID [2022-02-20 23:48:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:27,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:28,183 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:28,184 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 24 treesize of output 25 [2022-02-20 23:48:28,208 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:28,209 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 40 treesize of output 43 [2022-02-20 23:48:28,227 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 13 treesize of output 9 [2022-02-20 23:48:28,903 INFO L356 Elim1Store]: treesize reduction 18, result has 63.3 percent of original size [2022-02-20 23:48:28,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 67 [2022-02-20 23:48:29,271 INFO L290 TraceCheckUtils]: 25: Hoare triple {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {4482#false} is VALID [2022-02-20 23:48:29,271 INFO L290 TraceCheckUtils]: 24: Hoare triple {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:29,272 INFO L290 TraceCheckUtils]: 23: Hoare triple {4493#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4494#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:29,273 INFO L290 TraceCheckUtils]: 22: Hoare triple {4593#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4493#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} is VALID [2022-02-20 23:48:29,273 INFO L290 TraceCheckUtils]: 21: Hoare triple {4593#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {4593#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:29,274 INFO L290 TraceCheckUtils]: 20: Hoare triple {4600#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {4593#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:29,274 INFO L290 TraceCheckUtils]: 19: Hoare triple {4600#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {4600#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:29,275 INFO L290 TraceCheckUtils]: 18: Hoare triple {4607#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4600#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:29,276 INFO L290 TraceCheckUtils]: 17: Hoare triple {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {4607#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:29,278 WARN L290 TraceCheckUtils]: 16: Hoare triple {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} is UNKNOWN [2022-02-20 23:48:29,279 INFO L290 TraceCheckUtils]: 15: Hoare triple {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} is VALID [2022-02-20 23:48:29,279 INFO L290 TraceCheckUtils]: 14: Hoare triple {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} is VALID [2022-02-20 23:48:29,280 INFO L290 TraceCheckUtils]: 13: Hoare triple {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} main_#t~short5#1 := main_~i~0#1 < 30; {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} is VALID [2022-02-20 23:48:29,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {4627#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {4611#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1)))} is VALID [2022-02-20 23:48:29,281 INFO L290 TraceCheckUtils]: 11: Hoare triple {4631#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {4627#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:29,282 INFO L290 TraceCheckUtils]: 10: Hoare triple {4635#(or (forall ((v_arrayElimCell_31 Int)) (= (select |#valid| v_arrayElimCell_31) 1)) (forall ((v_arrayElimCell_29 Int)) (or (and (= (select |#valid| v_arrayElimCell_29) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (or (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {4631#(forall ((v_ArrVal_303 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_57| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_303) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_57| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_57|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_57| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:29,283 INFO L290 TraceCheckUtils]: 9: Hoare triple {4635#(or (forall ((v_arrayElimCell_31 Int)) (= (select |#valid| v_arrayElimCell_31) 1)) (forall ((v_arrayElimCell_29 Int)) (or (and (= (select |#valid| v_arrayElimCell_29) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (or (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {4635#(or (forall ((v_arrayElimCell_31 Int)) (= (select |#valid| v_arrayElimCell_31) 1)) (forall ((v_arrayElimCell_29 Int)) (or (and (= (select |#valid| v_arrayElimCell_29) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (or (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))))} is VALID [2022-02-20 23:48:29,303 INFO L290 TraceCheckUtils]: 8: Hoare triple {4642#(forall ((v_arrayElimCell_29 Int) (|v_ULTIMATE.start_main_~t~0#1.base_20| Int) (v_arrayElimCell_31 Int)) (or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_~t~0#1.base_20| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20| 1) v_arrayElimCell_31) 1) (and (not (= |v_ULTIMATE.start_main_~t~0#1.base_20| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20| 1) v_arrayElimCell_29) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20|) 0))))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {4635#(or (forall ((v_arrayElimCell_31 Int)) (= (select |#valid| v_arrayElimCell_31) 1)) (forall ((v_arrayElimCell_29 Int)) (or (and (= (select |#valid| v_arrayElimCell_29) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (or (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))))} is VALID [2022-02-20 23:48:29,304 INFO L290 TraceCheckUtils]: 7: Hoare triple {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {4642#(forall ((v_arrayElimCell_29 Int) (|v_ULTIMATE.start_main_~t~0#1.base_20| Int) (v_arrayElimCell_31 Int)) (or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_~t~0#1.base_20| v_arrayElimCell_29)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20| 1) v_arrayElimCell_31) 1) (and (not (= |v_ULTIMATE.start_main_~t~0#1.base_20| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20| 1) v_arrayElimCell_29) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_20|) 0))))} is VALID [2022-02-20 23:48:29,305 INFO L290 TraceCheckUtils]: 6: Hoare triple {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:29,306 INFO L290 TraceCheckUtils]: 5: Hoare triple {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:29,306 INFO L290 TraceCheckUtils]: 4: Hoare triple {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} main_#t~short5#1 := main_~i~0#1 < 30; {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:29,307 INFO L290 TraceCheckUtils]: 3: Hoare triple {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {4646#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:29,307 INFO L290 TraceCheckUtils]: 2: Hoare triple {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:29,307 INFO L290 TraceCheckUtils]: 1: Hoare triple {4481#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4501#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:29,307 INFO L290 TraceCheckUtils]: 0: Hoare triple {4481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {4481#true} is VALID [2022-02-20 23:48:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:29,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854589720] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:29,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:29,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2022-02-20 23:48:29,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778011486] [2022-02-20 23:48:29,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:29,310 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:29,311 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:29,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:31,423 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 69 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:31,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-20 23:48:31,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-20 23:48:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=945, Unknown=9, NotChecked=0, Total=1122 [2022-02-20 23:48:31,424 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:32,453 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2022-02-20 23:48:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:48:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 129 transitions. [2022-02-20 23:48:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 129 transitions. [2022-02-20 23:48:32,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 129 transitions. [2022-02-20 23:48:32,552 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:32,553 INFO L225 Difference]: With dead ends: 118 [2022-02-20 23:48:32,553 INFO L226 Difference]: Without dead ends: 118 [2022-02-20 23:48:32,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=289, Invalid=1262, Unknown=9, NotChecked=0, Total=1560 [2022-02-20 23:48:32,553 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 245 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 361 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:32,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 355 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 427 Invalid, 0 Unknown, 361 Unchecked, 0.3s Time] [2022-02-20 23:48:32,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-02-20 23:48:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 71. [2022-02-20 23:48:32,555 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:32,555 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,555 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,555 INFO L87 Difference]: Start difference. First operand 118 states. Second operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:32,557 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2022-02-20 23:48:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-02-20 23:48:32,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:32,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:32,557 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 118 states. [2022-02-20 23:48:32,557 INFO L87 Difference]: Start difference. First operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 118 states. [2022-02-20 23:48:32,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:32,558 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2022-02-20 23:48:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-02-20 23:48:32,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:32,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:32,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:32,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2022-02-20 23:48:32,559 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 26 [2022-02-20 23:48:32,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:32,559 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2022-02-20 23:48:32,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.1515151515151514) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-02-20 23:48:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:48:32,560 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:32,560 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:32,579 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 23:48:32,760 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,SelfDestructingSolverStorable12 [2022-02-20 23:48:32,761 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:32,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:32,761 INFO L85 PathProgramCache]: Analyzing trace with hash 638411639, now seen corresponding path program 1 times [2022-02-20 23:48:32,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:32,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142835190] [2022-02-20 23:48:32,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:32,985 INFO L290 TraceCheckUtils]: 0: Hoare triple {5106#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5106#true} is VALID [2022-02-20 23:48:32,985 INFO L290 TraceCheckUtils]: 1: Hoare triple {5106#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5108#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:32,986 INFO L290 TraceCheckUtils]: 2: Hoare triple {5108#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5108#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:32,986 INFO L290 TraceCheckUtils]: 3: Hoare triple {5108#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,986 INFO L290 TraceCheckUtils]: 4: Hoare triple {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,987 INFO L290 TraceCheckUtils]: 5: Hoare triple {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,987 INFO L290 TraceCheckUtils]: 6: Hoare triple {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,988 INFO L290 TraceCheckUtils]: 7: Hoare triple {5109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:32,988 INFO L290 TraceCheckUtils]: 8: Hoare triple {5110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5111#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,989 INFO L290 TraceCheckUtils]: 9: Hoare triple {5111#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5111#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,990 INFO L290 TraceCheckUtils]: 10: Hoare triple {5111#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,990 INFO L290 TraceCheckUtils]: 11: Hoare triple {5112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5113#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:32,991 INFO L290 TraceCheckUtils]: 12: Hoare triple {5113#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,991 INFO L290 TraceCheckUtils]: 13: Hoare triple {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_#t~short5#1 := main_~i~0#1 < 30; {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,992 INFO L290 TraceCheckUtils]: 14: Hoare triple {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,992 INFO L290 TraceCheckUtils]: 15: Hoare triple {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,993 INFO L290 TraceCheckUtils]: 16: Hoare triple {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,994 INFO L290 TraceCheckUtils]: 17: Hoare triple {5114#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5115#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:32,994 INFO L290 TraceCheckUtils]: 18: Hoare triple {5115#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,995 INFO L290 TraceCheckUtils]: 19: Hoare triple {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,995 INFO L290 TraceCheckUtils]: 20: Hoare triple {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,995 INFO L290 TraceCheckUtils]: 21: Hoare triple {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,996 INFO L290 TraceCheckUtils]: 22: Hoare triple {5116#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5117#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|) 8))} is VALID [2022-02-20 23:48:32,996 INFO L290 TraceCheckUtils]: 23: Hoare triple {5117#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|) 8))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5118#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,997 INFO L290 TraceCheckUtils]: 24: Hoare triple {5118#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5118#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:32,997 INFO L290 TraceCheckUtils]: 25: Hoare triple {5118#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(4 + main_~p~0#1.offset <= #length[main_~p~0#1.base] && 0 <= main_~p~0#1.offset); {5107#false} is VALID [2022-02-20 23:48:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:32,998 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:32,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142835190] [2022-02-20 23:48:32,998 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142835190] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:32,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166051638] [2022-02-20 23:48:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:33,000 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 23:48:33,001 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 23:48:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:33,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 23:48:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:33,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:33,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:48:33,232 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:33,233 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 23:48:33,315 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 23:48:33,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:48:33,499 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:33,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:48:33,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:33,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:48:33,534 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:33,535 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 23:48:33,539 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 23:48:33,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:33,738 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 17 treesize of output 7 [2022-02-20 23:48:33,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:33,784 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:33,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 16 [2022-02-20 23:48:33,842 INFO L290 TraceCheckUtils]: 0: Hoare triple {5106#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5106#true} is VALID [2022-02-20 23:48:33,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {5106#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:33,844 INFO L290 TraceCheckUtils]: 2: Hoare triple {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:33,844 INFO L290 TraceCheckUtils]: 3: Hoare triple {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,845 INFO L290 TraceCheckUtils]: 4: Hoare triple {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,845 INFO L290 TraceCheckUtils]: 5: Hoare triple {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,845 INFO L290 TraceCheckUtils]: 6: Hoare triple {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,846 INFO L290 TraceCheckUtils]: 7: Hoare triple {5132#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:33,847 INFO L290 TraceCheckUtils]: 8: Hoare triple {5110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5148#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~t~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,847 INFO L290 TraceCheckUtils]: 9: Hoare triple {5148#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~t~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5148#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~t~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,848 INFO L290 TraceCheckUtils]: 10: Hoare triple {5148#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~t~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5155#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:33,849 INFO L290 TraceCheckUtils]: 11: Hoare triple {5155#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5159#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|))} is VALID [2022-02-20 23:48:33,849 INFO L290 TraceCheckUtils]: 12: Hoare triple {5159#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,850 INFO L290 TraceCheckUtils]: 13: Hoare triple {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short5#1 := main_~i~0#1 < 30; {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,850 INFO L290 TraceCheckUtils]: 14: Hoare triple {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,851 INFO L290 TraceCheckUtils]: 15: Hoare triple {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,853 INFO L290 TraceCheckUtils]: 17: Hoare triple {5163#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5179#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:33,853 INFO L290 TraceCheckUtils]: 18: Hoare triple {5179#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5183#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,854 INFO L290 TraceCheckUtils]: 19: Hoare triple {5183#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5183#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {5183#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5190#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,855 INFO L290 TraceCheckUtils]: 21: Hoare triple {5190#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5190#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,855 INFO L290 TraceCheckUtils]: 22: Hoare triple {5190#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5197#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)))} is VALID [2022-02-20 23:48:33,856 INFO L290 TraceCheckUtils]: 23: Hoare triple {5197#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5201#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,856 INFO L290 TraceCheckUtils]: 24: Hoare triple {5201#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5201#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:33,856 INFO L290 TraceCheckUtils]: 25: Hoare triple {5201#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} assume !(4 + main_~p~0#1.offset <= #length[main_~p~0#1.base] && 0 <= main_~p~0#1.offset); {5107#false} is VALID [2022-02-20 23:48:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:33,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:35,172 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:35,173 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 68 treesize of output 59 [2022-02-20 23:48:35,187 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:35,188 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 59 treesize of output 59 [2022-02-20 23:48:35,207 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:35,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 89 [2022-02-20 23:48:35,242 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:35,243 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 143 treesize of output 134 [2022-02-20 23:48:35,284 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 95 treesize of output 87 [2022-02-20 23:48:35,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2022-02-20 23:48:35,320 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 79 treesize of output 75 [2022-02-20 23:48:35,668 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:35,668 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 23:48:35,816 INFO L290 TraceCheckUtils]: 25: Hoare triple {5208#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} assume !(4 + main_~p~0#1.offset <= #length[main_~p~0#1.base] && 0 <= main_~p~0#1.offset); {5107#false} is VALID [2022-02-20 23:48:35,816 INFO L290 TraceCheckUtils]: 24: Hoare triple {5208#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5208#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,816 INFO L290 TraceCheckUtils]: 23: Hoare triple {5215#(and (<= (+ |ULTIMATE.start_main_#t~mem10#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)) (<= 0 |ULTIMATE.start_main_#t~mem10#1.offset|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5208#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,817 INFO L290 TraceCheckUtils]: 22: Hoare triple {5219#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5215#(and (<= (+ |ULTIMATE.start_main_#t~mem10#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)) (<= 0 |ULTIMATE.start_main_#t~mem10#1.offset|))} is VALID [2022-02-20 23:48:35,817 INFO L290 TraceCheckUtils]: 21: Hoare triple {5219#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5219#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:35,818 INFO L290 TraceCheckUtils]: 20: Hoare triple {5226#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5219#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:35,818 INFO L290 TraceCheckUtils]: 19: Hoare triple {5226#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5226#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} is VALID [2022-02-20 23:48:35,819 INFO L290 TraceCheckUtils]: 18: Hoare triple {5233#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5226#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} is VALID [2022-02-20 23:48:35,821 INFO L290 TraceCheckUtils]: 17: Hoare triple {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5233#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,830 WARN L290 TraceCheckUtils]: 16: Hoare triple {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is UNKNOWN [2022-02-20 23:48:35,832 INFO L290 TraceCheckUtils]: 15: Hoare triple {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,833 INFO L290 TraceCheckUtils]: 14: Hoare triple {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} main_#t~short5#1 := main_~i~0#1 < 30; {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,836 INFO L290 TraceCheckUtils]: 12: Hoare triple {5253#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (and (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5237#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))) (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,837 INFO L290 TraceCheckUtils]: 11: Hoare triple {5257#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5253#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (and (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,838 INFO L290 TraceCheckUtils]: 10: Hoare triple {5261#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5257#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_62| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_62| |ULTIMATE.start_main_~a~0#1.offset|)) (and (forall ((v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_368) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (forall ((v_ArrVal_367 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_367) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_62| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_62|))))} is VALID [2022-02-20 23:48:35,839 INFO L290 TraceCheckUtils]: 9: Hoare triple {5261#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5261#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} is VALID [2022-02-20 23:48:35,840 INFO L290 TraceCheckUtils]: 8: Hoare triple {5268#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23|) 0)) (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| |ULTIMATE.start_main_~a~0#1.base|))) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5261#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} is VALID [2022-02-20 23:48:35,841 INFO L290 TraceCheckUtils]: 7: Hoare triple {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5268#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23|) 0)) (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| |ULTIMATE.start_main_~a~0#1.base|))) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} is VALID [2022-02-20 23:48:35,841 INFO L290 TraceCheckUtils]: 6: Hoare triple {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:35,842 INFO L290 TraceCheckUtils]: 5: Hoare triple {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:35,842 INFO L290 TraceCheckUtils]: 4: Hoare triple {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} main_#t~short5#1 := main_~i~0#1 < 30; {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:35,842 INFO L290 TraceCheckUtils]: 3: Hoare triple {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5272#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:35,843 INFO L290 TraceCheckUtils]: 2: Hoare triple {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:35,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {5106#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5125#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:35,843 INFO L290 TraceCheckUtils]: 0: Hoare triple {5106#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5106#true} is VALID [2022-02-20 23:48:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:35,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166051638] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:35,844 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:35,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 34 [2022-02-20 23:48:35,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61673765] [2022-02-20 23:48:35,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:35,844 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:35,845 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:35,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:35,897 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 73 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:35,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-20 23:48:35,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-20 23:48:35,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1014, Unknown=15, NotChecked=0, Total=1190 [2022-02-20 23:48:35,898 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:37,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:37,447 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2022-02-20 23:48:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:48:37,447 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:37,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 134 transitions. [2022-02-20 23:48:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 134 transitions. [2022-02-20 23:48:37,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 134 transitions. [2022-02-20 23:48:37,557 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 134 edges. 134 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:37,558 INFO L225 Difference]: With dead ends: 122 [2022-02-20 23:48:37,558 INFO L226 Difference]: Without dead ends: 122 [2022-02-20 23:48:37,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=1999, Unknown=15, NotChecked=0, Total=2450 [2022-02-20 23:48:37,559 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 256 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 307 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:37,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 411 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 664 Invalid, 0 Unknown, 307 Unchecked, 0.5s Time] [2022-02-20 23:48:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-02-20 23:48:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 70. [2022-02-20 23:48:37,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:37,561 INFO L82 GeneralOperation]: Start isEquivalent. First operand 122 states. Second operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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 23:48:37,561 INFO L74 IsIncluded]: Start isIncluded. First operand 122 states. Second operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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 23:48:37,562 INFO L87 Difference]: Start difference. First operand 122 states. Second operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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 23:48:37,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:37,563 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2022-02-20 23:48:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2022-02-20 23:48:37,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:37,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:37,564 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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) Second operand 122 states. [2022-02-20 23:48:37,564 INFO L87 Difference]: Start difference. First operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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) Second operand 122 states. [2022-02-20 23:48:37,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:37,565 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2022-02-20 23:48:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2022-02-20 23:48:37,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:37,566 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:37,566 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:37,566 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 61 states have (on average 1.278688524590164) internal successors, (78), 69 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 23:48:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2022-02-20 23:48:37,567 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 26 [2022-02-20 23:48:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:37,567 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2022-02-20 23:48:37,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.176470588235294) internal successors, (74), 35 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-02-20 23:48:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:48:37,570 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:37,570 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] [2022-02-20 23:48:37,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 23:48:37,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:37,787 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash -666737801, now seen corresponding path program 1 times [2022-02-20 23:48:37,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:37,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671426343] [2022-02-20 23:48:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:38,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {5761#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5761#true} is VALID [2022-02-20 23:48:38,053 INFO L290 TraceCheckUtils]: 1: Hoare triple {5761#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5763#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:38,053 INFO L290 TraceCheckUtils]: 2: Hoare triple {5763#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5763#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:38,053 INFO L290 TraceCheckUtils]: 3: Hoare triple {5763#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,054 INFO L290 TraceCheckUtils]: 4: Hoare triple {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,054 INFO L290 TraceCheckUtils]: 5: Hoare triple {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,055 INFO L290 TraceCheckUtils]: 6: Hoare triple {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,055 INFO L290 TraceCheckUtils]: 7: Hoare triple {5764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5765#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:38,060 INFO L290 TraceCheckUtils]: 8: Hoare triple {5765#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,061 INFO L290 TraceCheckUtils]: 10: Hoare triple {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5767#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {5767#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5768#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:48:38,062 INFO L290 TraceCheckUtils]: 12: Hoare triple {5768#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,062 INFO L290 TraceCheckUtils]: 13: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} main_#t~short5#1 := main_~i~0#1 < 30; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,063 INFO L290 TraceCheckUtils]: 14: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,063 INFO L290 TraceCheckUtils]: 15: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,064 INFO L290 TraceCheckUtils]: 16: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5770#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,065 INFO L290 TraceCheckUtils]: 17: Hoare triple {5770#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5771#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 0) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:38,065 INFO L290 TraceCheckUtils]: 18: Hoare triple {5771#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 0) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,066 INFO L290 TraceCheckUtils]: 19: Hoare triple {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,066 INFO L290 TraceCheckUtils]: 20: Hoare triple {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,067 INFO L290 TraceCheckUtils]: 22: Hoare triple {5772#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5773#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) 0) 1))} is VALID [2022-02-20 23:48:38,067 INFO L290 TraceCheckUtils]: 23: Hoare triple {5773#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) 0) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,068 INFO L290 TraceCheckUtils]: 24: Hoare triple {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,068 INFO L290 TraceCheckUtils]: 25: Hoare triple {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5775#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-20 23:48:38,068 INFO L290 TraceCheckUtils]: 26: Hoare triple {5775#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|))} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {5762#false} is VALID [2022-02-20 23:48:38,068 INFO L290 TraceCheckUtils]: 27: Hoare triple {5762#false} assume !false; {5762#false} is VALID [2022-02-20 23:48:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:38,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:38,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671426343] [2022-02-20 23:48:38,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671426343] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:38,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510383475] [2022-02-20 23:48:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:38,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:38,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:38,071 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:48:38,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:48:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:38,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-20 23:48:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:38,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:38,232 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:38,232 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 23:48:38,303 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 23:48:38,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:48:38,507 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 23:48:38,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:48:38,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:48:38,594 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:38,595 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 59 treesize of output 54 [2022-02-20 23:48:38,604 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 23:48:38,613 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 31 treesize of output 26 [2022-02-20 23:48:38,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:38,831 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 17 treesize of output 7 [2022-02-20 23:48:38,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:38,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:38,864 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 29 treesize of output 18 [2022-02-20 23:48:38,947 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 23:48:38,952 INFO L290 TraceCheckUtils]: 0: Hoare triple {5761#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5761#true} is VALID [2022-02-20 23:48:38,953 INFO L290 TraceCheckUtils]: 1: Hoare triple {5761#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:38,953 INFO L290 TraceCheckUtils]: 2: Hoare triple {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:38,953 INFO L290 TraceCheckUtils]: 3: Hoare triple {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,954 INFO L290 TraceCheckUtils]: 4: Hoare triple {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,954 INFO L290 TraceCheckUtils]: 5: Hoare triple {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,955 INFO L290 TraceCheckUtils]: 6: Hoare triple {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {5789#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5765#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:38,956 INFO L290 TraceCheckUtils]: 8: Hoare triple {5765#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,958 INFO L290 TraceCheckUtils]: 10: Hoare triple {5766#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5767#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,958 INFO L290 TraceCheckUtils]: 11: Hoare triple {5767#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5768#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:48:38,959 INFO L290 TraceCheckUtils]: 12: Hoare triple {5768#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,959 INFO L290 TraceCheckUtils]: 13: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} main_#t~short5#1 := main_~i~0#1 < 30; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,960 INFO L290 TraceCheckUtils]: 14: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,960 INFO L290 TraceCheckUtils]: 15: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:38,961 INFO L290 TraceCheckUtils]: 16: Hoare triple {5769#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 1))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5770#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,962 INFO L290 TraceCheckUtils]: 17: Hoare triple {5770#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5832#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 0) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:38,963 INFO L290 TraceCheckUtils]: 18: Hoare triple {5832#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 0) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5836#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} is VALID [2022-02-20 23:48:38,964 INFO L290 TraceCheckUtils]: 19: Hoare triple {5836#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5836#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} is VALID [2022-02-20 23:48:38,964 INFO L290 TraceCheckUtils]: 20: Hoare triple {5836#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5843#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} is VALID [2022-02-20 23:48:38,965 INFO L290 TraceCheckUtils]: 21: Hoare triple {5843#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5843#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} is VALID [2022-02-20 23:48:38,966 INFO L290 TraceCheckUtils]: 22: Hoare triple {5843#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 0) 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5773#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) 0) 1))} is VALID [2022-02-20 23:48:38,966 INFO L290 TraceCheckUtils]: 23: Hoare triple {5773#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) 0) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,967 INFO L290 TraceCheckUtils]: 24: Hoare triple {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:38,967 INFO L290 TraceCheckUtils]: 25: Hoare triple {5774#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5775#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-20 23:48:38,967 INFO L290 TraceCheckUtils]: 26: Hoare triple {5775#(and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|))} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {5762#false} is VALID [2022-02-20 23:48:38,968 INFO L290 TraceCheckUtils]: 27: Hoare triple {5762#false} assume !false; {5762#false} is VALID [2022-02-20 23:48:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:38,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:39,293 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_434 Int) (v_ArrVal_435 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_67| Int) (v_ArrVal_433 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= (let ((.cse0 (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_434)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))) 1))) is different from false [2022-02-20 23:48:39,418 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 204 treesize of output 182 [2022-02-20 23:48:41,309 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:41,309 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 169 treesize of output 140 [2022-02-20 23:48:41,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:41,324 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 140 treesize of output 120 [2022-02-20 23:48:41,361 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:41,362 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 180 treesize of output 165 [2022-02-20 23:48:41,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:41,408 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 208 treesize of output 199 [2022-02-20 23:48:41,451 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 160 treesize of output 156 [2022-02-20 23:48:41,469 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 156 treesize of output 152 [2022-02-20 23:48:41,489 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 152 treesize of output 144 [2022-02-20 23:48:41,511 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 144 treesize of output 140 [2022-02-20 23:48:41,535 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 140 treesize of output 136 [2022-02-20 23:48:41,561 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 136 treesize of output 132 [2022-02-20 23:48:42,001 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:42,002 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 23:48:42,238 INFO L290 TraceCheckUtils]: 27: Hoare triple {5762#false} assume !false; {5762#false} is VALID [2022-02-20 23:48:42,238 INFO L290 TraceCheckUtils]: 26: Hoare triple {5868#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} assume main_#t~mem9#1 != main_~i~0#1;havoc main_#t~mem9#1; {5762#false} is VALID [2022-02-20 23:48:42,239 INFO L290 TraceCheckUtils]: 25: Hoare triple {5872#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5868#(= |ULTIMATE.start_main_#t~mem9#1| |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:42,239 INFO L290 TraceCheckUtils]: 24: Hoare triple {5872#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5872#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:42,240 INFO L290 TraceCheckUtils]: 23: Hoare triple {5879#(= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) |ULTIMATE.start_main_#t~mem10#1.offset|) (+ |ULTIMATE.start_main_~i~0#1| 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5872#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:48:42,240 INFO L290 TraceCheckUtils]: 22: Hoare triple {5883#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5879#(= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem10#1.base|) |ULTIMATE.start_main_#t~mem10#1.offset|) (+ |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:42,241 INFO L290 TraceCheckUtils]: 21: Hoare triple {5883#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {5883#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:42,241 INFO L290 TraceCheckUtils]: 20: Hoare triple {5890#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {5883#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1))} is VALID [2022-02-20 23:48:42,242 INFO L290 TraceCheckUtils]: 19: Hoare triple {5890#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {5890#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1)))} is VALID [2022-02-20 23:48:42,242 INFO L290 TraceCheckUtils]: 18: Hoare triple {5897#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) 1)))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5890#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (+ |ULTIMATE.start_main_~i~0#1| 1)))} is VALID [2022-02-20 23:48:42,244 INFO L290 TraceCheckUtils]: 17: Hoare triple {5901#(forall ((v_ArrVal_434 Int) (v_ArrVal_435 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_67| Int) (v_ArrVal_433 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_434)) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {5897#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) 1)))} is VALID [2022-02-20 23:48:42,254 WARN L290 TraceCheckUtils]: 16: Hoare triple {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {5901#(forall ((v_ArrVal_434 Int) (v_ArrVal_435 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_67| Int) (v_ArrVal_433 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_434)) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) 1)))} is UNKNOWN [2022-02-20 23:48:42,257 INFO L290 TraceCheckUtils]: 15: Hoare triple {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-20 23:48:42,260 INFO L290 TraceCheckUtils]: 14: Hoare triple {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-20 23:48:42,263 INFO L290 TraceCheckUtils]: 13: Hoare triple {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} main_#t~short5#1 := main_~i~0#1 < 30; {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-20 23:48:42,266 INFO L290 TraceCheckUtils]: 12: Hoare triple {5918#(or (not (<= 0 |ULTIMATE.start_main_#t~mem7#1.offset|)) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (and (or (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|))) (forall ((v_ArrVal_433 (Array Int Int))) (not (= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|)) (= (+ |ULTIMATE.start_main_~i~0#1| 1) 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (and (= |ULTIMATE.start_main_#t~mem7#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|))))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem7#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))))))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {5905#(or (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (and (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))) (or (forall ((v_ArrVal_433 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-20 23:48:42,270 INFO L290 TraceCheckUtils]: 11: Hoare triple {5922#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (and (or (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))) (forall ((v_ArrVal_433 (Array Int Int))) (not (= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))))) (= (+ |ULTIMATE.start_main_~i~0#1| 1) 1) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (or (= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (and (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))) (forall ((v_ArrVal_433 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {5918#(or (not (<= 0 |ULTIMATE.start_main_#t~mem7#1.offset|)) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (and (or (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|))) (forall ((v_ArrVal_433 (Array Int Int))) (not (= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|)) (= (+ |ULTIMATE.start_main_~i~0#1| 1) 1) (forall ((v_ArrVal_433 (Array Int Int))) (or (= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (and (= |ULTIMATE.start_main_#t~mem7#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) |ULTIMATE.start_main_#t~mem7#1.base|))))) (forall ((v_ArrVal_433 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem7#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))))))))} is VALID [2022-02-20 23:48:42,272 INFO L290 TraceCheckUtils]: 10: Hoare triple {5926#(or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (<= 0 |ULTIMATE.start_main_~t~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {5922#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_67| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_67| |ULTIMATE.start_main_~a~0#1.offset|)) (and (or (forall ((v_ArrVal_435 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))) (forall ((v_ArrVal_433 (Array Int Int))) (not (= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)))))) (= (+ |ULTIMATE.start_main_~i~0#1| 1) 1) (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_433 (Array Int Int))) (or (= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4))) (and (forall ((v_ArrVal_435 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_435) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))) (forall ((v_ArrVal_433 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_433) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_67| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))))} is VALID [2022-02-20 23:48:42,273 INFO L290 TraceCheckUtils]: 9: Hoare triple {5926#(or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (<= 0 |ULTIMATE.start_main_~t~0#1.offset|)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {5926#(or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (<= 0 |ULTIMATE.start_main_~t~0#1.offset|)))} is VALID [2022-02-20 23:48:42,274 INFO L290 TraceCheckUtils]: 8: Hoare triple {5933#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_26| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_26|) 0)) (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_~t~0#1.base_26| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5926#(or (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (<= 0 |ULTIMATE.start_main_~t~0#1.offset|)))} is VALID [2022-02-20 23:48:42,275 INFO L290 TraceCheckUtils]: 7: Hoare triple {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {5933#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_26| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_26|) 0)) (and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_~t~0#1.base_26| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} is VALID [2022-02-20 23:48:42,275 INFO L290 TraceCheckUtils]: 6: Hoare triple {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:42,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:42,276 INFO L290 TraceCheckUtils]: 4: Hoare triple {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} main_#t~short5#1 := main_~i~0#1 < 30; {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:42,277 INFO L290 TraceCheckUtils]: 3: Hoare triple {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {5937#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~i~0#1| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0))))} is VALID [2022-02-20 23:48:42,277 INFO L290 TraceCheckUtils]: 2: Hoare triple {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:42,278 INFO L290 TraceCheckUtils]: 1: Hoare triple {5761#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5782#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:42,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {5761#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {5761#true} is VALID [2022-02-20 23:48:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:42,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510383475] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:42,278 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:42,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 33 [2022-02-20 23:48:42,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875510113] [2022-02-20 23:48:42,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:42,279 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:48:42,279 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:42,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,354 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 64 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:42,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 23:48:42,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:42,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 23:48:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=878, Unknown=1, NotChecked=60, Total=1056 [2022-02-20 23:48:42,355 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:56,160 WARN L228 SmtUtils]: Spent 13.35s on a formula simplification. DAG size of input: 52 DAG size of output: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 23:48:57,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:57,303 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2022-02-20 23:48:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-20 23:48:57,303 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:48:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 112 transitions. [2022-02-20 23:48:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 112 transitions. [2022-02-20 23:48:57,305 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 112 transitions. [2022-02-20 23:48:57,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:57,390 INFO L225 Difference]: With dead ends: 115 [2022-02-20 23:48:57,390 INFO L226 Difference]: Without dead ends: 115 [2022-02-20 23:48:57,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=297, Invalid=1598, Unknown=1, NotChecked=84, Total=1980 [2022-02-20 23:48:57,391 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 179 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 378 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:57,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 497 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 625 Invalid, 0 Unknown, 378 Unchecked, 0.5s Time] [2022-02-20 23:48:57,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-20 23:48:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2022-02-20 23:48:57,392 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:57,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,393 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,393 INFO L87 Difference]: Start difference. First operand 115 states. Second operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:57,394 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2022-02-20 23:48:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2022-02-20 23:48:57,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:57,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:57,394 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 115 states. [2022-02-20 23:48:57,395 INFO L87 Difference]: Start difference. First operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 115 states. [2022-02-20 23:48:57,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:57,396 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2022-02-20 23:48:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2022-02-20 23:48:57,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:57,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:57,396 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:57,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2022-02-20 23:48:57,397 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 28 [2022-02-20 23:48:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:57,398 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2022-02-20 23:48:57,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2022-02-20 23:48:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 23:48:57,398 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:57,398 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:57,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 23:48:57,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:57,628 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:48:57,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:57,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1442763871, now seen corresponding path program 2 times [2022-02-20 23:48:57,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:57,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842419520] [2022-02-20 23:48:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:58,016 INFO L290 TraceCheckUtils]: 0: Hoare triple {6399#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {6399#true} is VALID [2022-02-20 23:48:58,017 INFO L290 TraceCheckUtils]: 1: Hoare triple {6399#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6401#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:58,017 INFO L290 TraceCheckUtils]: 2: Hoare triple {6401#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {6401#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:58,017 INFO L290 TraceCheckUtils]: 3: Hoare triple {6401#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,018 INFO L290 TraceCheckUtils]: 4: Hoare triple {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,018 INFO L290 TraceCheckUtils]: 5: Hoare triple {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,019 INFO L290 TraceCheckUtils]: 6: Hoare triple {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,019 INFO L290 TraceCheckUtils]: 7: Hoare triple {6402#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {6403#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:58,020 INFO L290 TraceCheckUtils]: 8: Hoare triple {6403#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {6404#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,020 INFO L290 TraceCheckUtils]: 9: Hoare triple {6404#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {6404#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,021 INFO L290 TraceCheckUtils]: 10: Hoare triple {6404#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {6405#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,021 INFO L290 TraceCheckUtils]: 11: Hoare triple {6405#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {6406#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:48:58,022 INFO L290 TraceCheckUtils]: 12: Hoare triple {6406#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,022 INFO L290 TraceCheckUtils]: 13: Hoare triple {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,023 INFO L290 TraceCheckUtils]: 14: Hoare triple {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,023 INFO L290 TraceCheckUtils]: 15: Hoare triple {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,024 INFO L290 TraceCheckUtils]: 16: Hoare triple {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,025 INFO L290 TraceCheckUtils]: 17: Hoare triple {6407#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {6408#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 4) 0))} is VALID [2022-02-20 23:48:58,025 INFO L290 TraceCheckUtils]: 18: Hoare triple {6408#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,026 INFO L290 TraceCheckUtils]: 19: Hoare triple {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,026 INFO L290 TraceCheckUtils]: 20: Hoare triple {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,027 INFO L290 TraceCheckUtils]: 21: Hoare triple {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,027 INFO L290 TraceCheckUtils]: 22: Hoare triple {6409#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6410#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem10#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem10#1.base|) 4) 0))} is VALID [2022-02-20 23:48:58,028 INFO L290 TraceCheckUtils]: 23: Hoare triple {6410#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem10#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem10#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6411#(or (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:58,028 INFO L290 TraceCheckUtils]: 24: Hoare triple {6411#(or (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6411#(or (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:48:58,029 INFO L290 TraceCheckUtils]: 25: Hoare triple {6411#(or (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {6412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:48:58,029 INFO L290 TraceCheckUtils]: 26: Hoare triple {6412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {6412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:48:58,030 INFO L290 TraceCheckUtils]: 27: Hoare triple {6412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6413#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} is VALID [2022-02-20 23:48:58,030 INFO L290 TraceCheckUtils]: 28: Hoare triple {6413#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6414#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:58,030 INFO L290 TraceCheckUtils]: 29: Hoare triple {6414#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6400#false} is VALID [2022-02-20 23:48:58,030 INFO L290 TraceCheckUtils]: 30: Hoare triple {6400#false} assume !(1 == #valid[main_~p~0#1.base]); {6400#false} is VALID [2022-02-20 23:48:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:58,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:58,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842419520] [2022-02-20 23:48:58,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842419520] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:58,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049038155] [2022-02-20 23:48:58,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:48:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:58,032 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:48:58,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 23:48:58,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:48:58,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:48:58,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-20 23:48:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:58,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:58,280 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:58,281 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 23:48:58,292 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 23:48:58,416 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 23:48:58,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:48:58,481 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 23:48:58,637 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:58,637 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:48:58,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:58,726 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 23:48:58,727 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 60 treesize of output 42 [2022-02-20 23:48:58,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-02-20 23:49:00,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:49:00,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:49:00,987 INFO L356 Elim1Store]: treesize reduction 59, result has 10.6 percent of original size [2022-02-20 23:49:00,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 53 [2022-02-20 23:49:01,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:49:01,123 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 19 treesize of output 7 [2022-02-20 23:49:01,164 INFO L290 TraceCheckUtils]: 0: Hoare triple {6399#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); {6399#true} is VALID [2022-02-20 23:49:01,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {6399#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~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6421#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:49:01,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {6421#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {6421#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:49:01,165 INFO L290 TraceCheckUtils]: 3: Hoare triple {6421#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,165 INFO L290 TraceCheckUtils]: 4: Hoare triple {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_#t~short5#1 := main_~i~0#1 < 30; {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,166 INFO L290 TraceCheckUtils]: 6: Hoare triple {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,167 INFO L290 TraceCheckUtils]: 7: Hoare triple {6428#(and (<= |ULTIMATE.start_main_~p~0#1.offset| |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L538 {6403#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:49:01,168 INFO L290 TraceCheckUtils]: 8: Hoare triple {6403#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {6444#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {6444#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~t~0#1.offset| 0))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {6444#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,169 INFO L290 TraceCheckUtils]: 10: Hoare triple {6444#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~t~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= |ULTIMATE.start_main_~t~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L540-3 {6451#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,169 INFO L290 TraceCheckUtils]: 11: Hoare triple {6451#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L541 {6455#(and (<= |ULTIMATE.start_main_#t~mem7#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,170 INFO L290 TraceCheckUtils]: 12: Hoare triple {6455#(and (<= |ULTIMATE.start_main_#t~mem7#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem7#1.base|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,170 INFO L290 TraceCheckUtils]: 13: Hoare triple {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} main_#t~short5#1 := main_~i~0#1 < 30; {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,171 INFO L290 TraceCheckUtils]: 14: Hoare triple {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,171 INFO L290 TraceCheckUtils]: 15: Hoare triple {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,172 INFO L290 TraceCheckUtils]: 16: Hoare triple {6459#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} SUMMARY for call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L537-6 {6472#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,173 INFO L290 TraceCheckUtils]: 17: Hoare triple {6472#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L545 {6476#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:49:01,174 INFO L290 TraceCheckUtils]: 18: Hoare triple {6476#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; {6480#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:49:01,175 INFO L290 TraceCheckUtils]: 19: Hoare triple {6480#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6480#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:49:01,176 INFO L290 TraceCheckUtils]: 20: Hoare triple {6480#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {6487#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:49:01,176 INFO L290 TraceCheckUtils]: 21: Hoare triple {6487#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {6487#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:49:01,178 INFO L290 TraceCheckUtils]: 22: Hoare triple {6487#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6494#(exists ((|ULTIMATE.start_main_~p~0#1.base| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} is VALID [2022-02-20 23:49:01,179 INFO L290 TraceCheckUtils]: 23: Hoare triple {6494#(exists ((|ULTIMATE.start_main_~p~0#1.base| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int)) (and (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6498#(exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|)))} is VALID [2022-02-20 23:49:01,180 INFO L290 TraceCheckUtils]: 24: Hoare triple {6498#(exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|)))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6498#(exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|)))} is VALID [2022-02-20 23:49:01,181 INFO L290 TraceCheckUtils]: 25: Hoare triple {6498#(exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L550 {6505#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|))))} is VALID [2022-02-20 23:49:01,182 INFO L290 TraceCheckUtils]: 26: Hoare triple {6505#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|))))} assume !(main_#t~mem9#1 != main_~i~0#1);havoc main_#t~mem9#1; {6505#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|))))} is VALID [2022-02-20 23:49:01,183 INFO L290 TraceCheckUtils]: 27: Hoare triple {6505#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~p~0#1.offset_71| Int) (|v_ULTIMATE.start_main_~p~0#1.base_77| Int) (|ULTIMATE.start_main_~p~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |v_ULTIMATE.start_main_~p~0#1.offset_71| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) (+ |v_ULTIMATE.start_main_~p~0#1.offset_71| 4)) 0) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4)) 8) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~p~0#1.base_77|) 4) |v_ULTIMATE.start_main_~p~0#1.base_77|)) (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_71|))))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6413#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} is VALID [2022-02-20 23:49:01,183 INFO L290 TraceCheckUtils]: 28: Hoare triple {6413#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6414#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:49:01,183 INFO L290 TraceCheckUtils]: 29: Hoare triple {6414#(and (= 0 |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); {6400#false} is VALID [2022-02-20 23:49:01,183 INFO L290 TraceCheckUtils]: 30: Hoare triple {6400#false} assume !(1 == #valid[main_~p~0#1.base]); {6400#false} is VALID [2022-02-20 23:49:01,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:49:01,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:49:02,540 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 119 treesize of output 97 [2022-02-20 23:49:03,065 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:49:03,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 86 [2022-02-20 23:49:07,032 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:49:07,033 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 102 treesize of output 73 [2022-02-20 23:49:07,074 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:49:07,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 119 [2022-02-20 23:49:07,129 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:49:07,129 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 108 treesize of output 100