./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/list-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/list-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 e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:47:58,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:47:58,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:47:58,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:47:58,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:47:58,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:47:58,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:47:58,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:47:58,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:47:58,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:47:58,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:47:58,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:47:58,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:47:58,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:47:58,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:47:58,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:47:58,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:47:58,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:47:58,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:47:58,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:47:58,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:47:58,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:47:58,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:47:58,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:47:58,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:47:58,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:47:58,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:47:58,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:47:58,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:47:58,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:47:58,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:47:58,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:47:58,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:47:58,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:47:58,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:47:58,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:47:58,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:47:58,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:47:58,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:47:58,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:47:58,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:47:58,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:47:58,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:47:58,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:47:58,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:47:58,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:47:58,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:47:58,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:47:58,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:47:58,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:47:58,278 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:47:58,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:47:58,279 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:47:58,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:47:58,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:47:58,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:47:58,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:47:58,280 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:47:58,280 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:47:58,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:47:58,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:47:58,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:47:58,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:47:58,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:47:58,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:47:58,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:47:58,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:47:58,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:47:58,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:47:58,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:47:58,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:47:58,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:47:58,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f [2022-02-20 23:47:58,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:47:58,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:47:58,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:47:58,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:47:58,585 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:47:58,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_1.i [2022-02-20 23:47:58,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a627cb93/abe5fe3126fe432398c992b8eb5a73ab/FLAG79fc2344c [2022-02-20 23:47:59,163 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:47:59,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_1.i [2022-02-20 23:47:59,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a627cb93/abe5fe3126fe432398c992b8eb5a73ab/FLAG79fc2344c [2022-02-20 23:47:59,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a627cb93/abe5fe3126fe432398c992b8eb5a73ab [2022-02-20 23:47:59,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:47:59,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:47:59,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:47:59,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:47:59,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:47:59,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:47:59" (1/1) ... [2022-02-20 23:47:59,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a3141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:47:59, skipping insertion in model container [2022-02-20 23:47:59,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:47:59" (1/1) ... [2022-02-20 23:47:59,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:47:59,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:47:59,964 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/list-ext_1.i[23553,23566] [2022-02-20 23:47:59,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:47:59,988 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:48:00,049 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/list-ext_1.i[23553,23566] [2022-02-20 23:48:00,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:48:00,076 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:48:00,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00 WrapperNode [2022-02-20 23:48:00,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:48:00,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:48:00,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:48:00,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:48:00,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,147 INFO L137 Inliner]: procedures = 124, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 128 [2022-02-20 23:48:00,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:48:00,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:48:00,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:48:00,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:48:00,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:48:00,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:48:00,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:48:00,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:48:00,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (1/1) ... [2022-02-20 23:48:00,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:48:00,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:00,253 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 23:48:00,270 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 23:48:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-02-20 23:48:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-02-20 23:48:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:48:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:48:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:48:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:48:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:48:00,438 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:48:00,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:48:00,486 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-02-20 23:48:00,981 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:48:00,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:48:00,990 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-20 23:48:00,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:00 BoogieIcfgContainer [2022-02-20 23:48:00,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:48:00,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:48:00,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:48:00,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:48:00,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:47:59" (1/3) ... [2022-02-20 23:48:00,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a384559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:48:00, skipping insertion in model container [2022-02-20 23:48:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:48:00" (2/3) ... [2022-02-20 23:48:01,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a384559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:48:00, skipping insertion in model container [2022-02-20 23:48:01,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:00" (3/3) ... [2022-02-20 23:48:01,001 INFO L111 eAbstractionObserver]: Analyzing ICFG list-ext_1.i [2022-02-20 23:48:01,006 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:48:01,006 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-02-20 23:48:01,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:48:01,061 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 23:48:01,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-02-20 23:48:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 51 states have (on average 2.0588235294117645) internal successors, (105), 91 states have internal predecessors, (105), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-02-20 23:48:01,086 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:01,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:01,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:01,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2098269937, now seen corresponding path program 1 times [2022-02-20 23:48:01,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:01,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137145528] [2022-02-20 23:48:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:01,231 INFO L290 TraceCheckUtils]: 0: Hoare triple {96#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {96#true} is VALID [2022-02-20 23:48:01,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {96#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {96#true} is VALID [2022-02-20 23:48:01,232 INFO L290 TraceCheckUtils]: 2: Hoare triple {96#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {96#true} is VALID [2022-02-20 23:48:01,232 INFO L290 TraceCheckUtils]: 3: Hoare triple {96#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; {96#true} is VALID [2022-02-20 23:48:01,233 INFO L290 TraceCheckUtils]: 4: Hoare triple {96#true} assume !true; {97#false} is VALID [2022-02-20 23:48:01,234 INFO L290 TraceCheckUtils]: 5: Hoare triple {97#false} assume !true; {97#false} is VALID [2022-02-20 23:48:01,234 INFO L290 TraceCheckUtils]: 6: Hoare triple {97#false} assume !(1 == #valid[main_~p~0#1.base]); {97#false} is VALID [2022-02-20 23:48:01,235 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 23:48:01,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:01,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137145528] [2022-02-20 23:48:01,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137145528] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:01,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:01,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:48:01,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583618521] [2022-02-20 23:48:01,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:01,244 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:48:01,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:01,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,259 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:01,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 23:48:01,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:01,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 23:48:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 23:48:01,286 INFO L87 Difference]: Start difference. First operand has 93 states, 51 states have (on average 2.0588235294117645) internal successors, (105), 91 states have internal predecessors, (105), 3 states have call successors, (3), 1 states have call predecessors, (3), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:01,385 INFO L93 Difference]: Finished difference Result 93 states and 102 transitions. [2022-02-20 23:48:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 23:48:01,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:48:01,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2022-02-20 23:48:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2022-02-20 23:48:01,407 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 108 transitions. [2022-02-20 23:48:01,508 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:01,523 INFO L225 Difference]: With dead ends: 93 [2022-02-20 23:48:01,523 INFO L226 Difference]: Without dead ends: 86 [2022-02-20 23:48:01,525 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 23:48:01,529 INFO L933 BasicCegarLoop]: 102 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, 102 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 23:48:01,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:01,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-02-20 23:48:01,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-02-20 23:48:01,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:01,564 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 23:48:01,565 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 23:48:01,567 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 23:48:01,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:01,574 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2022-02-20 23:48:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2022-02-20 23:48:01,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:01,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:01,576 INFO L74 IsIncluded]: Start isIncluded. First operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 86 states. [2022-02-20 23:48:01,576 INFO L87 Difference]: Start difference. First operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 86 states. [2022-02-20 23:48:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:01,588 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2022-02-20 23:48:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2022-02-20 23:48:01,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:01,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:01,589 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:01,589 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 48 states have (on average 1.9166666666666667) internal successors, (92), 85 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 23:48:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2022-02-20 23:48:01,598 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 7 [2022-02-20 23:48:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:01,598 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2022-02-20 23:48:01,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2022-02-20 23:48:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:48:01,600 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:01,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:01,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:48:01,601 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:01,602 INFO L85 PathProgramCache]: Analyzing trace with hash 620871786, now seen corresponding path program 1 times [2022-02-20 23:48:01,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:01,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895588547] [2022-02-20 23:48:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:01,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {451#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {451#true} is VALID [2022-02-20 23:48:01,674 INFO L290 TraceCheckUtils]: 1: Hoare triple {451#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {453#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {453#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {453#(= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,676 INFO L290 TraceCheckUtils]: 3: Hoare triple {453#(= (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; {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,676 INFO L290 TraceCheckUtils]: 4: Hoare triple {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} main_#t~short5#1 := main_~i~0#1 < 10; {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,677 INFO L290 TraceCheckUtils]: 5: Hoare triple {454#(= (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; {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,677 INFO L290 TraceCheckUtils]: 6: Hoare triple {454#(= (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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:01,681 INFO L290 TraceCheckUtils]: 7: Hoare triple {454#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {452#false} is VALID [2022-02-20 23:48:01,681 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 23:48:01,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:01,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895588547] [2022-02-20 23:48:01,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895588547] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:01,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:01,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:01,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587410777] [2022-02-20 23:48:01,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:01,684 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 23:48:01,684 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:01,685 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 23:48:01,693 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 23:48:01,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:01,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:01,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:01,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:01,695 INFO L87 Difference]: Start difference. First operand 86 states and 92 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 23:48:01,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:01,991 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2022-02-20 23:48:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:48:01,992 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 23:48:01,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:01,992 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 23:48:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 138 transitions. [2022-02-20 23:48:01,998 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 23:48:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 138 transitions. [2022-02-20 23:48:02,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 138 transitions. [2022-02-20 23:48:02,116 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 138 edges. 138 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:02,119 INFO L225 Difference]: With dead ends: 107 [2022-02-20 23:48:02,119 INFO L226 Difference]: Without dead ends: 107 [2022-02-20 23:48:02,119 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 23:48:02,121 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 160 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:02,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 52 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-02-20 23:48:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 87. [2022-02-20 23:48:02,126 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:02,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,127 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,127 INFO L87 Difference]: Start difference. First operand 107 states. Second operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:02,131 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2022-02-20 23:48:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2022-02-20 23:48:02,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:02,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:02,132 INFO L74 IsIncluded]: Start isIncluded. First operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 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 107 states. [2022-02-20 23:48:02,133 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 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 107 states. [2022-02-20 23:48:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:02,136 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2022-02-20 23:48:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2022-02-20 23:48:02,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:02,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:02,138 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:02,138 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 86 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2022-02-20 23:48:02,141 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 8 [2022-02-20 23:48:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:02,141 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2022-02-20 23:48:02,141 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 23:48:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2022-02-20 23:48:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:48:02,142 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:02,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:02,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:48:02,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:02,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:02,143 INFO L85 PathProgramCache]: Analyzing trace with hash 620871787, now seen corresponding path program 1 times [2022-02-20 23:48:02,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:02,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772808505] [2022-02-20 23:48:02,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:02,202 INFO L290 TraceCheckUtils]: 0: Hoare triple {867#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {867#true} is VALID [2022-02-20 23:48:02,203 INFO L290 TraceCheckUtils]: 1: Hoare triple {867#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {869#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} is VALID [2022-02-20 23:48:02,203 INFO L290 TraceCheckUtils]: 2: Hoare triple {869#(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); {869#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 8))} is VALID [2022-02-20 23:48:02,204 INFO L290 TraceCheckUtils]: 3: Hoare triple {869#(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; {870#(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 23:48:02,205 INFO L290 TraceCheckUtils]: 4: Hoare triple {870#(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 < 10; {870#(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 23:48:02,205 INFO L290 TraceCheckUtils]: 5: Hoare triple {870#(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; {870#(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 23:48:02,206 INFO L290 TraceCheckUtils]: 6: Hoare triple {870#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {870#(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 23:48:02,207 INFO L290 TraceCheckUtils]: 7: Hoare triple {870#(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); {868#false} is VALID [2022-02-20 23:48:02,207 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 23:48:02,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:02,208 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772808505] [2022-02-20 23:48:02,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772808505] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:02,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:02,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:02,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648251342] [2022-02-20 23:48:02,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:02,209 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 23:48:02,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:02,209 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 23:48:02,217 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 23:48:02,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:02,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:02,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:02,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:02,218 INFO L87 Difference]: Start difference. First operand 87 states and 103 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 23:48:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:02,578 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2022-02-20 23:48:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:48:02,579 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 23:48:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:02,580 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 23:48:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 152 transitions. [2022-02-20 23:48:02,582 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 23:48:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 152 transitions. [2022-02-20 23:48:02,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 152 transitions. [2022-02-20 23:48:02,734 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:02,736 INFO L225 Difference]: With dead ends: 124 [2022-02-20 23:48:02,736 INFO L226 Difference]: Without dead ends: 124 [2022-02-20 23:48:02,737 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 23:48:02,738 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 167 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:02,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 60 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:02,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-02-20 23:48:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 107. [2022-02-20 23:48:02,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:02,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,744 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,744 INFO L87 Difference]: Start difference. First operand 124 states. Second operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:02,748 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2022-02-20 23:48:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2022-02-20 23:48:02,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:02,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:02,749 INFO L74 IsIncluded]: Start isIncluded. First operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 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 124 states. [2022-02-20 23:48:02,750 INFO L87 Difference]: Start difference. First operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 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 124 states. [2022-02-20 23:48:02,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:02,753 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2022-02-20 23:48:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2022-02-20 23:48:02,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:02,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:02,754 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:02,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 80 states have (on average 1.5125) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2022-02-20 23:48:02,758 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 8 [2022-02-20 23:48:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:02,758 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2022-02-20 23:48:02,758 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 23:48:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2022-02-20 23:48:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:48:02,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:02,759 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:02,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:48:02,760 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1332204644, now seen corresponding path program 1 times [2022-02-20 23:48:02,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:02,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949968446] [2022-02-20 23:48:02,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:02,846 INFO L290 TraceCheckUtils]: 0: Hoare triple {1354#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {1354#true} is VALID [2022-02-20 23:48:02,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {1354#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {1354#true} is VALID [2022-02-20 23:48:02,847 INFO L290 TraceCheckUtils]: 2: Hoare triple {1354#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1354#true} is VALID [2022-02-20 23:48:02,847 INFO L290 TraceCheckUtils]: 3: Hoare triple {1354#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; {1354#true} is VALID [2022-02-20 23:48:02,847 INFO L290 TraceCheckUtils]: 4: Hoare triple {1354#true} main_#t~short5#1 := main_~i~0#1 < 10; {1354#true} is VALID [2022-02-20 23:48:02,847 INFO L290 TraceCheckUtils]: 5: Hoare triple {1354#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; {1354#true} is VALID [2022-02-20 23:48:02,848 INFO L290 TraceCheckUtils]: 6: Hoare triple {1354#true} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {1354#true} is VALID [2022-02-20 23:48:02,848 INFO L290 TraceCheckUtils]: 7: Hoare triple {1354#true} SUMMARY for call write~int(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {1354#true} is VALID [2022-02-20 23:48:02,849 INFO L290 TraceCheckUtils]: 8: Hoare triple {1354#true} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {1356#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,849 INFO L290 TraceCheckUtils]: 9: Hoare triple {1356#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {1356#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,850 INFO L290 TraceCheckUtils]: 10: Hoare triple {1356#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {1357#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:02,851 INFO L290 TraceCheckUtils]: 11: Hoare triple {1357#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {1358#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} is VALID [2022-02-20 23:48:02,851 INFO L290 TraceCheckUtils]: 12: Hoare triple {1358#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,852 INFO L290 TraceCheckUtils]: 13: Hoare triple {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} main_#t~short5#1 := main_~i~0#1 < 10; {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,852 INFO L290 TraceCheckUtils]: 14: Hoare triple {1359#(= (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; {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,853 INFO L290 TraceCheckUtils]: 15: Hoare triple {1359#(= (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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:02,853 INFO L290 TraceCheckUtils]: 16: Hoare triple {1359#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {1355#false} is VALID [2022-02-20 23:48:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:02,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:02,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949968446] [2022-02-20 23:48:02,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949968446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:02,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:02,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:02,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353999864] [2022-02-20 23:48:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:02,855 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 23:48:02,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:02,856 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 23:48:02,868 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 23:48:02,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:02,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:02,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:02,871 INFO L87 Difference]: Start difference. First operand 107 states and 121 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 23:48:03,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:03,462 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2022-02-20 23:48:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:48:03,463 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 23:48:03,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:03,463 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 23:48:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2022-02-20 23:48:03,466 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 23:48:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2022-02-20 23:48:03,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 144 transitions. [2022-02-20 23:48:03,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:03,589 INFO L225 Difference]: With dead ends: 152 [2022-02-20 23:48:03,589 INFO L226 Difference]: Without dead ends: 152 [2022-02-20 23:48:03,590 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 23:48:03,591 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 115 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:03,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 240 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:03,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-02-20 23:48:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 111. [2022-02-20 23:48:03,595 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:03,596 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:03,596 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:03,596 INFO L87 Difference]: Start difference. First operand 152 states. Second operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:03,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:03,601 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2022-02-20 23:48:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 172 transitions. [2022-02-20 23:48:03,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:03,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:03,603 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 152 states. [2022-02-20 23:48:03,603 INFO L87 Difference]: Start difference. First operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 152 states. [2022-02-20 23:48:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:03,607 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2022-02-20 23:48:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 172 transitions. [2022-02-20 23:48:03,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:03,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:03,608 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:03,608 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 110 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2022-02-20 23:48:03,611 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 17 [2022-02-20 23:48:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:03,612 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2022-02-20 23:48:03,612 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 23:48:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2022-02-20 23:48:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:48:03,613 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:03,613 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:03,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:48:03,613 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:03,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1332204645, now seen corresponding path program 1 times [2022-02-20 23:48:03,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:03,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783988865] [2022-02-20 23:48:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:03,736 INFO L290 TraceCheckUtils]: 0: Hoare triple {1936#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {1936#true} is VALID [2022-02-20 23:48:03,737 INFO L290 TraceCheckUtils]: 1: Hoare triple {1936#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {1936#true} is VALID [2022-02-20 23:48:03,737 INFO L290 TraceCheckUtils]: 2: Hoare triple {1936#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {1936#true} is VALID [2022-02-20 23:48:03,738 INFO L290 TraceCheckUtils]: 3: Hoare triple {1936#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; {1936#true} is VALID [2022-02-20 23:48:03,738 INFO L290 TraceCheckUtils]: 4: Hoare triple {1936#true} main_#t~short5#1 := main_~i~0#1 < 10; {1936#true} is VALID [2022-02-20 23:48:03,739 INFO L290 TraceCheckUtils]: 5: Hoare triple {1936#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; {1936#true} is VALID [2022-02-20 23:48:03,739 INFO L290 TraceCheckUtils]: 6: Hoare triple {1936#true} assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {1936#true} is VALID [2022-02-20 23:48:03,739 INFO L290 TraceCheckUtils]: 7: Hoare triple {1936#true} SUMMARY for call write~int(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {1936#true} is VALID [2022-02-20 23:48:03,740 INFO L290 TraceCheckUtils]: 8: Hoare triple {1936#true} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {1938#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:03,745 INFO L290 TraceCheckUtils]: 9: Hoare triple {1938#(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); {1938#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:03,746 INFO L290 TraceCheckUtils]: 10: Hoare triple {1938#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {1939#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} is VALID [2022-02-20 23:48:03,753 INFO L290 TraceCheckUtils]: 11: Hoare triple {1939#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {1940#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 8))} is VALID [2022-02-20 23:48:03,753 INFO L290 TraceCheckUtils]: 12: Hoare triple {1940#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 8))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {1941#(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 23:48:03,754 INFO L290 TraceCheckUtils]: 13: Hoare triple {1941#(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 < 10; {1941#(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 23:48:03,755 INFO L290 TraceCheckUtils]: 14: Hoare triple {1941#(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; {1941#(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 23:48:03,755 INFO L290 TraceCheckUtils]: 15: Hoare triple {1941#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {1941#(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 23:48:03,756 INFO L290 TraceCheckUtils]: 16: Hoare triple {1941#(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); {1937#false} is VALID [2022-02-20 23:48:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:03,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:03,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783988865] [2022-02-20 23:48:03,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783988865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:03,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:03,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:03,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249344622] [2022-02-20 23:48:03,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:03,759 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 23:48:03,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:03,759 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 23:48:03,773 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 23:48:03,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:03,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:03,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:03,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:03,774 INFO L87 Difference]: Start difference. First operand 111 states and 129 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 23:48:04,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:04,481 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:48:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:04,481 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 23:48:04,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:04,482 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 23:48:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 152 transitions. [2022-02-20 23:48:04,484 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 23:48:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 152 transitions. [2022-02-20 23:48:04,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 152 transitions. [2022-02-20 23:48:04,602 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:04,605 INFO L225 Difference]: With dead ends: 155 [2022-02-20 23:48:04,605 INFO L226 Difference]: Without dead ends: 155 [2022-02-20 23:48:04,606 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 23:48:04,610 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:04,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 307 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:04,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-02-20 23:48:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 95. [2022-02-20 23:48:04,615 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:04,615 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:04,617 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:04,617 INFO L87 Difference]: Start difference. First operand 155 states. Second operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:04,620 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:48:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2022-02-20 23:48:04,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:04,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:04,622 INFO L74 IsIncluded]: Start isIncluded. First operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:48:04,622 INFO L87 Difference]: Start difference. First operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:48:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:04,625 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:48:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2022-02-20 23:48:04,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:04,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:04,626 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:04,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2022-02-20 23:48:04,628 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 17 [2022-02-20 23:48:04,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:04,629 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2022-02-20 23:48:04,629 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 23:48:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-02-20 23:48:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 23:48:04,630 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:04,630 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:04,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:48:04,630 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:04,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:04,631 INFO L85 PathProgramCache]: Analyzing trace with hash -808483032, now seen corresponding path program 1 times [2022-02-20 23:48:04,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:04,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040433800] [2022-02-20 23:48:04,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:04,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:04,750 INFO L290 TraceCheckUtils]: 0: Hoare triple {2515#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {2515#true} is VALID [2022-02-20 23:48:04,751 INFO L290 TraceCheckUtils]: 1: Hoare triple {2515#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {2515#true} is VALID [2022-02-20 23:48:04,751 INFO L290 TraceCheckUtils]: 2: Hoare triple {2515#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {2515#true} is VALID [2022-02-20 23:48:04,751 INFO L290 TraceCheckUtils]: 3: Hoare triple {2515#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; {2517#(and (= |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 23:48:04,752 INFO L290 TraceCheckUtils]: 4: Hoare triple {2517#(and (= |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 < 10; {2517#(and (= |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 23:48:04,753 INFO L290 TraceCheckUtils]: 5: Hoare triple {2517#(and (= |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; {2517#(and (= |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 23:48:04,754 INFO L290 TraceCheckUtils]: 6: Hoare triple {2517#(and (= |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; {2517#(and (= |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 23:48:04,755 INFO L290 TraceCheckUtils]: 7: Hoare triple {2517#(and (= |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~short10#1 := main_~y~0#1 < 10; {2517#(and (= |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 23:48:04,755 INFO L290 TraceCheckUtils]: 8: Hoare triple {2517#(and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {2517#(and (= |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 23:48:04,756 INFO L290 TraceCheckUtils]: 9: Hoare triple {2517#(and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {2517#(and (= |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 23:48:04,757 INFO L290 TraceCheckUtils]: 10: Hoare triple {2517#(and (= |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(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {2518#(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|) 3) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:04,758 INFO L290 TraceCheckUtils]: 11: Hoare triple {2518#(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|) 3) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {2519#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 3)} is VALID [2022-02-20 23:48:04,758 INFO L290 TraceCheckUtils]: 12: Hoare triple {2519#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 3)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {2520#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)} is VALID [2022-02-20 23:48:04,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {2520#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {2521#(= 3 |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 23:48:04,760 INFO L290 TraceCheckUtils]: 14: Hoare triple {2521#(= 3 |ULTIMATE.start_main_#t~mem14#1|)} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {2516#false} is VALID [2022-02-20 23:48:04,760 INFO L290 TraceCheckUtils]: 15: Hoare triple {2516#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {2516#false} is VALID [2022-02-20 23:48:04,760 INFO L290 TraceCheckUtils]: 16: Hoare triple {2516#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {2516#false} is VALID [2022-02-20 23:48:04,760 INFO L290 TraceCheckUtils]: 17: Hoare triple {2516#false} assume !(1 == #valid[main_~p~0#1.base]); {2516#false} is VALID [2022-02-20 23:48:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:04,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:04,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040433800] [2022-02-20 23:48:04,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040433800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:04,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:04,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:48:04,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199059643] [2022-02-20 23:48:04,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:04,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 23:48:04,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:04,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:04,776 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:04,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:48:04,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:04,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:48:04,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:48:04,780 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:05,255 INFO L93 Difference]: Finished difference Result 187 states and 204 transitions. [2022-02-20 23:48:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:48:05,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 23:48:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 191 transitions. [2022-02-20 23:48:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 191 transitions. [2022-02-20 23:48:05,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 191 transitions. [2022-02-20 23:48:05,400 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:05,403 INFO L225 Difference]: With dead ends: 187 [2022-02-20 23:48:05,403 INFO L226 Difference]: Without dead ends: 187 [2022-02-20 23:48:05,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:48:05,404 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 118 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:05,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 231 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-02-20 23:48:05,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 106. [2022-02-20 23:48:05,409 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:05,409 INFO L82 GeneralOperation]: Start isEquivalent. First operand 187 states. Second operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,410 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,410 INFO L87 Difference]: Start difference. First operand 187 states. Second operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:05,414 INFO L93 Difference]: Finished difference Result 187 states and 204 transitions. [2022-02-20 23:48:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 204 transitions. [2022-02-20 23:48:05,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:05,415 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:05,416 INFO L74 IsIncluded]: Start isIncluded. First operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 187 states. [2022-02-20 23:48:05,416 INFO L87 Difference]: Start difference. First operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 187 states. [2022-02-20 23:48:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:05,429 INFO L93 Difference]: Finished difference Result 187 states and 204 transitions. [2022-02-20 23:48:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 204 transitions. [2022-02-20 23:48:05,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:05,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:05,430 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:05,430 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 105 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2022-02-20 23:48:05,433 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 18 [2022-02-20 23:48:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:05,433 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2022-02-20 23:48:05,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2022-02-20 23:48:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:48:05,434 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:05,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:05,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:48:05,435 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:05,435 INFO L85 PathProgramCache]: Analyzing trace with hash 389256394, now seen corresponding path program 1 times [2022-02-20 23:48:05,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:05,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555478038] [2022-02-20 23:48:05,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:05,527 INFO L290 TraceCheckUtils]: 0: Hoare triple {3193#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {3193#true} is VALID [2022-02-20 23:48:05,527 INFO L290 TraceCheckUtils]: 1: Hoare triple {3193#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {3193#true} is VALID [2022-02-20 23:48:05,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {3193#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3193#true} is VALID [2022-02-20 23:48:05,528 INFO L290 TraceCheckUtils]: 3: Hoare triple {3193#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; {3195#(and (= |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 23:48:05,529 INFO L290 TraceCheckUtils]: 4: Hoare triple {3195#(and (= |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 < 10; {3195#(and (= |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 23:48:05,529 INFO L290 TraceCheckUtils]: 5: Hoare triple {3195#(and (= |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; {3195#(and (= |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 23:48:05,530 INFO L290 TraceCheckUtils]: 6: Hoare triple {3195#(and (= |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; {3195#(and (= |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 23:48:05,530 INFO L290 TraceCheckUtils]: 7: Hoare triple {3195#(and (= |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~short10#1 := main_~y~0#1 < 10; {3195#(and (= |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 23:48:05,531 INFO L290 TraceCheckUtils]: 8: Hoare triple {3195#(and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {3195#(and (= |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 23:48:05,531 INFO L290 TraceCheckUtils]: 9: Hoare triple {3195#(and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {3195#(and (= |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 23:48:05,532 INFO L290 TraceCheckUtils]: 10: Hoare triple {3195#(and (= |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(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {3196#(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|) 3) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:05,533 INFO L290 TraceCheckUtils]: 11: Hoare triple {3196#(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|) 3) (= |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: L554 {3197#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 3)} is VALID [2022-02-20 23:48:05,534 INFO L290 TraceCheckUtils]: 12: Hoare triple {3197#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 3)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} is VALID [2022-02-20 23:48:05,534 INFO L290 TraceCheckUtils]: 13: Hoare triple {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} is VALID [2022-02-20 23:48:05,535 INFO L290 TraceCheckUtils]: 14: Hoare triple {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} is VALID [2022-02-20 23:48:05,535 INFO L290 TraceCheckUtils]: 15: Hoare triple {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} is VALID [2022-02-20 23:48:05,536 INFO L290 TraceCheckUtils]: 16: Hoare triple {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} is VALID [2022-02-20 23:48:05,536 INFO L290 TraceCheckUtils]: 17: Hoare triple {3198#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3))} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {3199#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= 3 |ULTIMATE.start_main_#t~mem20#1|))} is VALID [2022-02-20 23:48:05,537 INFO L290 TraceCheckUtils]: 18: Hoare triple {3199#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= 3 |ULTIMATE.start_main_#t~mem20#1|))} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {3194#false} is VALID [2022-02-20 23:48:05,537 INFO L290 TraceCheckUtils]: 19: Hoare triple {3194#false} assume !false; {3194#false} is VALID [2022-02-20 23:48:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:05,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:05,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555478038] [2022-02-20 23:48:05,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555478038] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:05,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:05,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:48:05,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575100653] [2022-02-20 23:48:05,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:05,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:05,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:05,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:05,554 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:05,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:48:05,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:05,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:48:05,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:48:05,556 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:06,057 INFO L93 Difference]: Finished difference Result 199 states and 216 transitions. [2022-02-20 23:48:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:48:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 203 transitions. [2022-02-20 23:48:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 203 transitions. [2022-02-20 23:48:06,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 203 transitions. [2022-02-20 23:48:06,237 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:06,245 INFO L225 Difference]: With dead ends: 199 [2022-02-20 23:48:06,245 INFO L226 Difference]: Without dead ends: 199 [2022-02-20 23:48:06,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:48:06,248 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 184 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:06,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 190 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:06,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-02-20 23:48:06,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 110. [2022-02-20 23:48:06,263 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:06,264 INFO L82 GeneralOperation]: Start isEquivalent. First operand 199 states. Second operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,264 INFO L74 IsIncluded]: Start isIncluded. First operand 199 states. Second operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,265 INFO L87 Difference]: Start difference. First operand 199 states. Second operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:06,269 INFO L93 Difference]: Finished difference Result 199 states and 216 transitions. [2022-02-20 23:48:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2022-02-20 23:48:06,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:06,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:06,271 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 199 states. [2022-02-20 23:48:06,271 INFO L87 Difference]: Start difference. First operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 199 states. [2022-02-20 23:48:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:06,275 INFO L93 Difference]: Finished difference Result 199 states and 216 transitions. [2022-02-20 23:48:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2022-02-20 23:48:06,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:06,276 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:06,276 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:06,276 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 109 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2022-02-20 23:48:06,279 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 20 [2022-02-20 23:48:06,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:06,280 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2022-02-20 23:48:06,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2022-02-20 23:48:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:48:06,280 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:06,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:06,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:48:06,281 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash 389308949, now seen corresponding path program 1 times [2022-02-20 23:48:06,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:06,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553204435] [2022-02-20 23:48:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:06,399 INFO L290 TraceCheckUtils]: 0: Hoare triple {3913#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {3913#true} is VALID [2022-02-20 23:48:06,400 INFO L290 TraceCheckUtils]: 1: Hoare triple {3913#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {3913#true} is VALID [2022-02-20 23:48:06,400 INFO L290 TraceCheckUtils]: 2: Hoare triple {3913#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {3913#true} is VALID [2022-02-20 23:48:06,400 INFO L290 TraceCheckUtils]: 3: Hoare triple {3913#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; {3915#(and (= |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 23:48:06,401 INFO L290 TraceCheckUtils]: 4: Hoare triple {3915#(and (= |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 < 10; {3915#(and (= |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 23:48:06,401 INFO L290 TraceCheckUtils]: 5: Hoare triple {3915#(and (= |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; {3915#(and (= |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 23:48:06,402 INFO L290 TraceCheckUtils]: 6: Hoare triple {3915#(and (= |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; {3915#(and (= |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 23:48:06,402 INFO L290 TraceCheckUtils]: 7: Hoare triple {3915#(and (= |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~short10#1 := main_~y~0#1 < 10; {3915#(and (= |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 23:48:06,403 INFO L290 TraceCheckUtils]: 8: Hoare triple {3915#(and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {3915#(and (= |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 23:48:06,404 INFO L290 TraceCheckUtils]: 9: Hoare triple {3915#(and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {3915#(and (= |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 23:48:06,407 INFO L290 TraceCheckUtils]: 10: Hoare triple {3915#(and (= |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(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {3916#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)) (= |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 23:48:06,408 INFO L290 TraceCheckUtils]: 11: Hoare triple {3916#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)) (= |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~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {3917#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} is VALID [2022-02-20 23:48:06,409 INFO L290 TraceCheckUtils]: 12: Hoare triple {3917#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} is VALID [2022-02-20 23:48:06,409 INFO L290 TraceCheckUtils]: 13: Hoare triple {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} is VALID [2022-02-20 23:48:06,410 INFO L290 TraceCheckUtils]: 14: Hoare triple {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} is VALID [2022-02-20 23:48:06,411 INFO L290 TraceCheckUtils]: 15: Hoare triple {3918#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {3919#(not (= 2 |ULTIMATE.start_main_#t~mem17#1|))} is VALID [2022-02-20 23:48:06,411 INFO L290 TraceCheckUtils]: 16: Hoare triple {3919#(not (= 2 |ULTIMATE.start_main_#t~mem17#1|))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {3914#false} is VALID [2022-02-20 23:48:06,412 INFO L290 TraceCheckUtils]: 17: Hoare triple {3914#false} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {3914#false} is VALID [2022-02-20 23:48:06,412 INFO L290 TraceCheckUtils]: 18: Hoare triple {3914#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {3914#false} is VALID [2022-02-20 23:48:06,412 INFO L290 TraceCheckUtils]: 19: Hoare triple {3914#false} assume !(1 == #valid[main_~p~0#1.base]); {3914#false} is VALID [2022-02-20 23:48:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:06,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:06,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553204435] [2022-02-20 23:48:06,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553204435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:06,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:06,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:48:06,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103856032] [2022-02-20 23:48:06,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:06,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:06,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:06,414 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,443 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:06,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:48:06,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:48:06,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:48:06,444 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:06,932 INFO L93 Difference]: Finished difference Result 183 states and 202 transitions. [2022-02-20 23:48:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2022-02-20 23:48:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2022-02-20 23:48:06,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 189 transitions. [2022-02-20 23:48:07,099 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:07,101 INFO L225 Difference]: With dead ends: 183 [2022-02-20 23:48:07,102 INFO L226 Difference]: Without dead ends: 183 [2022-02-20 23:48:07,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:48:07,103 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 115 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:07,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 250 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-02-20 23:48:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 110. [2022-02-20 23:48:07,106 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:07,106 INFO L82 GeneralOperation]: Start isEquivalent. First operand 183 states. Second operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,107 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,107 INFO L87 Difference]: Start difference. First operand 183 states. Second operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:07,111 INFO L93 Difference]: Finished difference Result 183 states and 202 transitions. [2022-02-20 23:48:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 202 transitions. [2022-02-20 23:48:07,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:07,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:07,112 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 183 states. [2022-02-20 23:48:07,113 INFO L87 Difference]: Start difference. First operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 183 states. [2022-02-20 23:48:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:07,117 INFO L93 Difference]: Finished difference Result 183 states and 202 transitions. [2022-02-20 23:48:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 202 transitions. [2022-02-20 23:48:07,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:07,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:07,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:07,118 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-02-20 23:48:07,121 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 20 [2022-02-20 23:48:07,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:07,122 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-02-20 23:48:07,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-02-20 23:48:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:48:07,123 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:07,123 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:07,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:48:07,123 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:07,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1064403471, now seen corresponding path program 1 times [2022-02-20 23:48:07,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:07,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047964567] [2022-02-20 23:48:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:07,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:07,174 INFO L290 TraceCheckUtils]: 0: Hoare triple {4585#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {4585#true} is VALID [2022-02-20 23:48:07,174 INFO L290 TraceCheckUtils]: 1: Hoare triple {4585#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {4585#true} is VALID [2022-02-20 23:48:07,174 INFO L290 TraceCheckUtils]: 2: Hoare triple {4585#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {4585#true} is VALID [2022-02-20 23:48:07,175 INFO L290 TraceCheckUtils]: 3: Hoare triple {4585#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; {4585#true} is VALID [2022-02-20 23:48:07,175 INFO L290 TraceCheckUtils]: 4: Hoare triple {4585#true} main_#t~short5#1 := main_~i~0#1 < 10; {4585#true} is VALID [2022-02-20 23:48:07,175 INFO L290 TraceCheckUtils]: 5: Hoare triple {4585#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; {4585#true} is VALID [2022-02-20 23:48:07,175 INFO L290 TraceCheckUtils]: 6: Hoare triple {4585#true} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {4585#true} is VALID [2022-02-20 23:48:07,175 INFO L290 TraceCheckUtils]: 7: Hoare triple {4585#true} main_#t~short10#1 := main_~y~0#1 < 10; {4585#true} is VALID [2022-02-20 23:48:07,176 INFO L290 TraceCheckUtils]: 8: Hoare triple {4585#true} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {4585#true} is VALID [2022-02-20 23:48:07,176 INFO L290 TraceCheckUtils]: 9: Hoare triple {4585#true} assume !!main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {4585#true} is VALID [2022-02-20 23:48:07,176 INFO L290 TraceCheckUtils]: 10: Hoare triple {4585#true} SUMMARY for call write~int(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {4585#true} is VALID [2022-02-20 23:48:07,177 INFO L290 TraceCheckUtils]: 11: Hoare triple {4585#true} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {4587#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,177 INFO L290 TraceCheckUtils]: 12: Hoare triple {4587#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {4587#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,178 INFO L290 TraceCheckUtils]: 13: Hoare triple {4587#(= (select |#valid| |ULTIMATE.start_main_~t~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {4588#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:07,179 INFO L290 TraceCheckUtils]: 14: Hoare triple {4588#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {4589#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem13#1.base|))} is VALID [2022-02-20 23:48:07,180 INFO L290 TraceCheckUtils]: 15: Hoare triple {4589#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem13#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,180 INFO L290 TraceCheckUtils]: 16: Hoare triple {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} main_#t~short10#1 := main_~y~0#1 < 10; {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,180 INFO L290 TraceCheckUtils]: 17: Hoare triple {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,181 INFO L290 TraceCheckUtils]: 18: Hoare triple {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:07,181 INFO L290 TraceCheckUtils]: 19: Hoare triple {4590#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {4586#false} is VALID [2022-02-20 23:48:07,182 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 23:48:07,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:07,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047964567] [2022-02-20 23:48:07,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047964567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:07,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:07,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:07,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731541866] [2022-02-20 23:48:07,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:07,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:07,184 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:07,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,199 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:07,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:07,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:07,201 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:07,633 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-02-20 23:48:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:48:07,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2022-02-20 23:48:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2022-02-20 23:48:07,636 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 119 transitions. [2022-02-20 23:48:07,729 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:07,731 INFO L225 Difference]: With dead ends: 122 [2022-02-20 23:48:07,731 INFO L226 Difference]: Without dead ends: 122 [2022-02-20 23:48:07,731 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 23:48:07,731 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 108 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:07,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 196 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-02-20 23:48:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2022-02-20 23:48:07,734 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:07,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 122 states. Second operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,735 INFO L74 IsIncluded]: Start isIncluded. First operand 122 states. Second operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,735 INFO L87 Difference]: Start difference. First operand 122 states. Second operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:07,737 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-02-20 23:48:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2022-02-20 23:48:07,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:07,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:07,737 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 122 states. [2022-02-20 23:48:07,738 INFO L87 Difference]: Start difference. First operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 122 states. [2022-02-20 23:48:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:07,740 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-02-20 23:48:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2022-02-20 23:48:07,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:07,740 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:07,741 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:07,741 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 107 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2022-02-20 23:48:07,742 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 20 [2022-02-20 23:48:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:07,743 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2022-02-20 23:48:07,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2022-02-20 23:48:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:48:07,744 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:07,744 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:07,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:48:07,744 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1064403472, now seen corresponding path program 1 times [2022-02-20 23:48:07,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:07,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95788044] [2022-02-20 23:48:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:07,854 INFO L290 TraceCheckUtils]: 0: Hoare triple {5074#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 1: Hoare triple {5074#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 2: Hoare triple {5074#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 3: Hoare triple {5074#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; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 4: Hoare triple {5074#true} main_#t~short5#1 := main_~i~0#1 < 10; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 5: Hoare triple {5074#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; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 6: Hoare triple {5074#true} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 7: Hoare triple {5074#true} main_#t~short10#1 := main_~y~0#1 < 10; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 8: Hoare triple {5074#true} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {5074#true} is VALID [2022-02-20 23:48:07,855 INFO L290 TraceCheckUtils]: 9: Hoare triple {5074#true} assume !!main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {5074#true} is VALID [2022-02-20 23:48:07,856 INFO L290 TraceCheckUtils]: 10: Hoare triple {5074#true} SUMMARY for call write~int(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {5074#true} is VALID [2022-02-20 23:48:07,856 INFO L290 TraceCheckUtils]: 11: Hoare triple {5074#true} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {5076#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:07,857 INFO L290 TraceCheckUtils]: 12: Hoare triple {5076#(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); {5076#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} is VALID [2022-02-20 23:48:07,857 INFO L290 TraceCheckUtils]: 13: Hoare triple {5076#(and (= (select |#length| |ULTIMATE.start_main_~t~0#1.base|) 8) (= |ULTIMATE.start_main_~t~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {5077#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} is VALID [2022-02-20 23:48:07,858 INFO L290 TraceCheckUtils]: 14: Hoare triple {5077#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {5078#(and (= |ULTIMATE.start_main_#t~mem13#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_#t~mem13#1.base|)))} is VALID [2022-02-20 23:48:07,858 INFO L290 TraceCheckUtils]: 15: Hoare triple {5078#(and (= |ULTIMATE.start_main_#t~mem13#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_#t~mem13#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {5079#(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 23:48:07,859 INFO L290 TraceCheckUtils]: 16: Hoare triple {5079#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} main_#t~short10#1 := main_~y~0#1 < 10; {5079#(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 23:48:07,859 INFO L290 TraceCheckUtils]: 17: Hoare triple {5079#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {5079#(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 23:48:07,859 INFO L290 TraceCheckUtils]: 18: Hoare triple {5079#(and (= (+ (select |#length| |ULTIMATE.start_main_~p~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {5079#(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 23:48:07,860 INFO L290 TraceCheckUtils]: 19: Hoare triple {5079#(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); {5075#false} is VALID [2022-02-20 23:48:07,860 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 23:48:07,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:07,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95788044] [2022-02-20 23:48:07,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95788044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:07,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:07,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:48:07,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210515859] [2022-02-20 23:48:07,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:07,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:07,861 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:07,861 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:07,874 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:07,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:48:07,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:48:07,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:48:07,875 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,372 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2022-02-20 23:48:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:48:08,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:48:08,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 123 transitions. [2022-02-20 23:48:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 123 transitions. [2022-02-20 23:48:08,375 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 123 transitions. [2022-02-20 23:48:08,473 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:08,474 INFO L225 Difference]: With dead ends: 120 [2022-02-20 23:48:08,474 INFO L226 Difference]: Without dead ends: 120 [2022-02-20 23:48:08,475 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 23:48:08,475 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 71 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:08,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 250 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:48:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-02-20 23:48:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 93. [2022-02-20 23:48:08,477 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:08,477 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,478 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,478 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,480 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2022-02-20 23:48:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2022-02-20 23:48:08,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:08,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:08,480 INFO L74 IsIncluded]: Start isIncluded. First operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 120 states. [2022-02-20 23:48:08,481 INFO L87 Difference]: Start difference. First operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 120 states. [2022-02-20 23:48:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,483 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2022-02-20 23:48:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2022-02-20 23:48:08,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:08,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:08,483 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:08,483 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2022-02-20 23:48:08,485 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 20 [2022-02-20 23:48:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:08,485 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2022-02-20 23:48:08,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2022-02-20 23:48:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:48:08,486 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:08,486 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] [2022-02-20 23:48:08,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:48:08,487 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:08,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2138921840, now seen corresponding path program 1 times [2022-02-20 23:48:08,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:08,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437734355] [2022-02-20 23:48:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:08,564 INFO L290 TraceCheckUtils]: 0: Hoare triple {5546#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {5546#true} is VALID [2022-02-20 23:48:08,565 INFO L290 TraceCheckUtils]: 1: Hoare triple {5546#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,565 INFO L290 TraceCheckUtils]: 2: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,566 INFO L290 TraceCheckUtils]: 3: Hoare triple {5548#(<= (+ |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; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,566 INFO L290 TraceCheckUtils]: 4: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short5#1 := main_~i~0#1 < 10; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {5548#(<= (+ |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; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,567 INFO L290 TraceCheckUtils]: 6: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,567 INFO L290 TraceCheckUtils]: 7: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short10#1 := main_~y~0#1 < 10; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,567 INFO L290 TraceCheckUtils]: 8: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,567 INFO L290 TraceCheckUtils]: 9: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,568 INFO L290 TraceCheckUtils]: 10: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,568 INFO L290 TraceCheckUtils]: 11: Hoare triple {5548#(<= (+ |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: L554 {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,568 INFO L290 TraceCheckUtils]: 12: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,569 INFO L290 TraceCheckUtils]: 15: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,570 INFO L290 TraceCheckUtils]: 16: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,570 INFO L290 TraceCheckUtils]: 17: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,571 INFO L290 TraceCheckUtils]: 18: Hoare triple {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} assume !(3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20);havoc main_#t~mem20#1; {5548#(<= (+ |ULTIMATE.start_main_~a~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,571 INFO L290 TraceCheckUtils]: 19: Hoare triple {5548#(<= (+ |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; {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,572 INFO L290 TraceCheckUtils]: 20: Hoare triple {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L570-3 {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,572 INFO L290 TraceCheckUtils]: 21: Hoare triple {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_#t~mem21#1.base != 0 || main_#t~mem21#1.offset != 0);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,572 INFO L290 TraceCheckUtils]: 22: Hoare triple {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~p~0#1.offset; {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:48:08,573 INFO L290 TraceCheckUtils]: 23: Hoare triple {5549#(<= (+ |ULTIMATE.start_main_~p~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~p~0#1.base < #StackHeapBarrier); {5547#false} is VALID [2022-02-20 23:48:08,573 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 23:48:08,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:08,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437734355] [2022-02-20 23:48:08,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437734355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:08,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:08,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:48:08,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337580665] [2022-02-20 23:48:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:08,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-02-20 23:48:08,574 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:08,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,591 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:08,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:48:08,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:08,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:48:08,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:48:08,591 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,736 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2022-02-20 23:48:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:48:08,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-02-20 23:48:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2022-02-20 23:48:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2022-02-20 23:48:08,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 121 transitions. [2022-02-20 23:48:08,838 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:08,839 INFO L225 Difference]: With dead ends: 113 [2022-02-20 23:48:08,839 INFO L226 Difference]: Without dead ends: 113 [2022-02-20 23:48:08,839 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 23:48:08,840 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 125 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:08,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 69 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:48:08,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-02-20 23:48:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2022-02-20 23:48:08,842 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:08,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,842 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,843 INFO L87 Difference]: Start difference. First operand 113 states. Second operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,844 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2022-02-20 23:48:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2022-02-20 23:48:08,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:08,845 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:08,845 INFO L74 IsIncluded]: Start isIncluded. First operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 113 states. [2022-02-20 23:48:08,845 INFO L87 Difference]: Start difference. First operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 113 states. [2022-02-20 23:48:08,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:08,847 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2022-02-20 23:48:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2022-02-20 23:48:08,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:08,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:08,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:08,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 94 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2022-02-20 23:48:08,859 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 24 [2022-02-20 23:48:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:08,859 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2022-02-20 23:48:08,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-02-20 23:48:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:48:08,861 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:08,861 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 23:48:08,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:48:08,862 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:08,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1785439949, now seen corresponding path program 1 times [2022-02-20 23:48:08,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:08,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317602622] [2022-02-20 23:48:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:08,941 INFO L290 TraceCheckUtils]: 0: Hoare triple {5988#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {5988#true} is VALID [2022-02-20 23:48:08,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {5988#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {5990#(= (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); {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,943 INFO L290 TraceCheckUtils]: 3: Hoare triple {5990#(= (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; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,943 INFO L290 TraceCheckUtils]: 4: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short5#1 := main_~i~0#1 < 10; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,944 INFO L290 TraceCheckUtils]: 5: Hoare triple {5990#(= (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; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,944 INFO L290 TraceCheckUtils]: 6: Hoare triple {5990#(= (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; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,944 INFO L290 TraceCheckUtils]: 7: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short10#1 := main_~y~0#1 < 10; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,945 INFO L290 TraceCheckUtils]: 8: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,945 INFO L290 TraceCheckUtils]: 9: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,946 INFO L290 TraceCheckUtils]: 10: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,946 INFO L290 TraceCheckUtils]: 11: Hoare triple {5990#(= (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: L554 {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,946 INFO L290 TraceCheckUtils]: 12: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,947 INFO L290 TraceCheckUtils]: 13: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,947 INFO L290 TraceCheckUtils]: 14: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,947 INFO L290 TraceCheckUtils]: 15: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,948 INFO L290 TraceCheckUtils]: 16: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,948 INFO L290 TraceCheckUtils]: 17: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,949 INFO L290 TraceCheckUtils]: 18: Hoare triple {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20);havoc main_#t~mem20#1; {5990#(= (store |#valid| |ULTIMATE.start_main_~a~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,949 INFO L290 TraceCheckUtils]: 19: Hoare triple {5990#(= (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; {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,950 INFO L290 TraceCheckUtils]: 20: Hoare triple {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L570-3 {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,950 INFO L290 TraceCheckUtils]: 21: Hoare triple {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_#t~mem21#1.base != 0 || main_#t~mem21#1.offset != 0);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,950 INFO L290 TraceCheckUtils]: 22: Hoare triple {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~p~0#1.offset; {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,955 INFO L290 TraceCheckUtils]: 23: Hoare triple {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~p~0#1.base < #StackHeapBarrier; {5991#(= (store |#valid| |ULTIMATE.start_main_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:48:08,955 INFO L290 TraceCheckUtils]: 24: Hoare triple {5991#(= (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_#res#1 := 0; {5992#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:48:08,956 INFO L290 TraceCheckUtils]: 25: Hoare triple {5992#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {5989#false} is VALID [2022-02-20 23:48:08,956 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 23:48:08,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:08,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317602622] [2022-02-20 23:48:08,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317602622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:08,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:08,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:48:08,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767756251] [2022-02-20 23:48:08,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:08,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:08,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:08,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:08,975 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:08,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:48:08,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:48:08,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:48:08,976 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:09,255 INFO L93 Difference]: Finished difference Result 128 states and 143 transitions. [2022-02-20 23:48:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:48:09,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:48:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 124 transitions. [2022-02-20 23:48:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 124 transitions. [2022-02-20 23:48:09,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 124 transitions. [2022-02-20 23:48:09,334 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:09,335 INFO L225 Difference]: With dead ends: 128 [2022-02-20 23:48:09,335 INFO L226 Difference]: Without dead ends: 124 [2022-02-20 23:48:09,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:48:09,336 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 72 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:09,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 163 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-02-20 23:48:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 98. [2022-02-20 23:48:09,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:09,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,339 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,339 INFO L87 Difference]: Start difference. First operand 124 states. Second operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:09,341 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2022-02-20 23:48:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 139 transitions. [2022-02-20 23:48:09,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:09,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:09,341 INFO L74 IsIncluded]: Start isIncluded. First operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 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 124 states. [2022-02-20 23:48:09,341 INFO L87 Difference]: Start difference. First operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 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 124 states. [2022-02-20 23:48:09,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:09,349 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2022-02-20 23:48:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 139 transitions. [2022-02-20 23:48:09,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:09,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:09,349 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:09,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 97 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2022-02-20 23:48:09,350 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 26 [2022-02-20 23:48:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:09,351 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2022-02-20 23:48:09,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2022-02-20 23:48:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:48:09,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:09,351 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:09,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:48:09,352 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1628820970, now seen corresponding path program 1 times [2022-02-20 23:48:09,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:09,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843604175] [2022-02-20 23:48:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:09,502 INFO L290 TraceCheckUtils]: 0: Hoare triple {6475#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {6475#true} is VALID [2022-02-20 23:48:09,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {6475#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {6475#true} is VALID [2022-02-20 23:48:09,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {6475#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {6475#true} is VALID [2022-02-20 23:48:09,503 INFO L290 TraceCheckUtils]: 3: Hoare triple {6475#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; {6477#(and (= |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 23:48:09,504 INFO L290 TraceCheckUtils]: 4: Hoare triple {6477#(and (= |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 < 10; {6477#(and (= |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 23:48:09,504 INFO L290 TraceCheckUtils]: 5: Hoare triple {6477#(and (= |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; {6477#(and (= |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 23:48:09,504 INFO L290 TraceCheckUtils]: 6: Hoare triple {6477#(and (= |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; {6477#(and (= |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 23:48:09,505 INFO L290 TraceCheckUtils]: 7: Hoare triple {6477#(and (= |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~short10#1 := main_~y~0#1 < 10; {6477#(and (= |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 23:48:09,505 INFO L290 TraceCheckUtils]: 8: Hoare triple {6477#(and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6477#(and (= |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 23:48:09,506 INFO L290 TraceCheckUtils]: 9: Hoare triple {6477#(and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6477#(and (= |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 23:48:09,506 INFO L290 TraceCheckUtils]: 10: Hoare triple {6477#(and (= |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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {6478#(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|) 2) (= |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 23:48:09,507 INFO L290 TraceCheckUtils]: 11: Hoare triple {6478#(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|) 2) (= |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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {6479#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:09,509 INFO L290 TraceCheckUtils]: 12: Hoare triple {6479#(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|) 2) (= |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); {6479#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:09,510 INFO L290 TraceCheckUtils]: 13: Hoare triple {6479#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6480#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:09,511 INFO L290 TraceCheckUtils]: 14: Hoare triple {6480#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {6481#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:09,511 INFO L290 TraceCheckUtils]: 15: Hoare triple {6481#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:09,511 INFO L290 TraceCheckUtils]: 16: Hoare triple {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short10#1 := main_~y~0#1 < 10; {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:09,512 INFO L290 TraceCheckUtils]: 17: Hoare triple {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:09,513 INFO L290 TraceCheckUtils]: 18: Hoare triple {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:09,513 INFO L290 TraceCheckUtils]: 19: Hoare triple {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:09,514 INFO L290 TraceCheckUtils]: 20: Hoare triple {6482#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {6483#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} is VALID [2022-02-20 23:48:09,514 INFO L290 TraceCheckUtils]: 21: Hoare triple {6483#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {6484#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:09,515 INFO L290 TraceCheckUtils]: 22: Hoare triple {6484#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {6485#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 23:48:09,515 INFO L290 TraceCheckUtils]: 23: Hoare triple {6485#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {6476#false} is VALID [2022-02-20 23:48:09,515 INFO L290 TraceCheckUtils]: 24: Hoare triple {6476#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {6476#false} is VALID [2022-02-20 23:48:09,515 INFO L290 TraceCheckUtils]: 25: Hoare triple {6476#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {6476#false} is VALID [2022-02-20 23:48:09,516 INFO L290 TraceCheckUtils]: 26: Hoare triple {6476#false} assume !(1 == #valid[main_~p~0#1.base]); {6476#false} is VALID [2022-02-20 23:48:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:09,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:09,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843604175] [2022-02-20 23:48:09,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843604175] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:09,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798339688] [2022-02-20 23:48:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:09,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:09,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:09,532 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 23:48:09,533 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 23:48:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:09,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-20 23:48:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:09,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:09,850 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 23:48:09,917 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:09,917 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 23:48:10,025 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 23:48:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:10,037 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 23:48:10,087 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 23:48:10,177 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 23:48:10,212 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 23:48:10,284 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 23:48:10,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {6475#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {6475#true} is VALID [2022-02-20 23:48:10,293 INFO L290 TraceCheckUtils]: 1: Hoare triple {6475#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {6492#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:10,294 INFO L290 TraceCheckUtils]: 2: Hoare triple {6492#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {6492#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:10,294 INFO L290 TraceCheckUtils]: 3: Hoare triple {6492#(= |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; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,295 INFO L290 TraceCheckUtils]: 4: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 < 10; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,300 INFO L290 TraceCheckUtils]: 5: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,301 INFO L290 TraceCheckUtils]: 6: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,301 INFO L290 TraceCheckUtils]: 7: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1 := main_~y~0#1 < 10; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,302 INFO L290 TraceCheckUtils]: 8: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,302 INFO L290 TraceCheckUtils]: 9: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:10,303 INFO L290 TraceCheckUtils]: 10: Hoare triple {6499#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {6521#(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|) 2) (= |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 23:48:10,304 INFO L290 TraceCheckUtils]: 11: Hoare triple {6521#(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|) 2) (= |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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {6525#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:10,305 INFO L290 TraceCheckUtils]: 12: Hoare triple {6525#(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|) 2) (= |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); {6525#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:10,306 INFO L290 TraceCheckUtils]: 13: Hoare triple {6525#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6532#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:10,307 INFO L290 TraceCheckUtils]: 14: Hoare triple {6532#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {6536#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:10,307 INFO L290 TraceCheckUtils]: 15: Hoare triple {6536#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:10,308 INFO L290 TraceCheckUtils]: 16: Hoare triple {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short10#1 := main_~y~0#1 < 10; {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:10,309 INFO L290 TraceCheckUtils]: 17: Hoare triple {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:10,309 INFO L290 TraceCheckUtils]: 18: Hoare triple {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:10,310 INFO L290 TraceCheckUtils]: 19: Hoare triple {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:10,311 INFO L290 TraceCheckUtils]: 20: Hoare triple {6540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {6556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:10,312 INFO L290 TraceCheckUtils]: 21: Hoare triple {6556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {6560#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} is VALID [2022-02-20 23:48:10,312 INFO L290 TraceCheckUtils]: 22: Hoare triple {6560#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {6485#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 23:48:10,315 INFO L290 TraceCheckUtils]: 23: Hoare triple {6485#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {6476#false} is VALID [2022-02-20 23:48:10,315 INFO L290 TraceCheckUtils]: 24: Hoare triple {6476#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {6476#false} is VALID [2022-02-20 23:48:10,315 INFO L290 TraceCheckUtils]: 25: Hoare triple {6476#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {6476#false} is VALID [2022-02-20 23:48:10,315 INFO L290 TraceCheckUtils]: 26: Hoare triple {6476#false} assume !(1 == #valid[main_~p~0#1.base]); {6476#false} is VALID [2022-02-20 23:48:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:10,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:10,373 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-02-20 23:48:10,412 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_205) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-02-20 23:48:10,422 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_205) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-02-20 23:48:10,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= (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_201)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_205) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-02-20 23:48:10,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:10,675 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:10,676 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 24 treesize of output 30 [2022-02-20 23:48:10,723 INFO L356 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-02-20 23:48:10,724 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 33 treesize of output 32 [2022-02-20 23:48:10,736 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 20 treesize of output 18 [2022-02-20 23:48:10,755 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:10,755 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 23:48:10,913 INFO L290 TraceCheckUtils]: 26: Hoare triple {6476#false} assume !(1 == #valid[main_~p~0#1.base]); {6476#false} is VALID [2022-02-20 23:48:10,914 INFO L290 TraceCheckUtils]: 25: Hoare triple {6476#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {6476#false} is VALID [2022-02-20 23:48:10,914 INFO L290 TraceCheckUtils]: 24: Hoare triple {6476#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {6476#false} is VALID [2022-02-20 23:48:10,914 INFO L290 TraceCheckUtils]: 23: Hoare triple {6585#(not (= |ULTIMATE.start_main_#t~mem14#1| 1))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {6476#false} is VALID [2022-02-20 23:48:10,915 INFO L290 TraceCheckUtils]: 22: Hoare triple {6589#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {6585#(not (= |ULTIMATE.start_main_#t~mem14#1| 1))} is VALID [2022-02-20 23:48:10,916 INFO L290 TraceCheckUtils]: 21: Hoare triple {6593#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {6589#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1))} is VALID [2022-02-20 23:48:10,917 INFO L290 TraceCheckUtils]: 20: Hoare triple {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {6593#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:10,919 WARN L290 TraceCheckUtils]: 19: Hoare triple {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is UNKNOWN [2022-02-20 23:48:10,920 INFO L290 TraceCheckUtils]: 18: Hoare triple {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,920 INFO L290 TraceCheckUtils]: 17: Hoare triple {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,921 INFO L290 TraceCheckUtils]: 16: Hoare triple {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} main_#t~short10#1 := main_~y~0#1 < 10; {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,921 INFO L290 TraceCheckUtils]: 15: Hoare triple {6613#(forall ((v_ArrVal_205 (Array Int Int))) (not (= 1 (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {6597#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {6617#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {6613#(forall ((v_ArrVal_205 (Array Int Int))) (not (= 1 (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:10,923 INFO L290 TraceCheckUtils]: 13: Hoare triple {6621#(forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_201)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {6617#(forall ((v_ArrVal_205 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,924 INFO L290 TraceCheckUtils]: 12: Hoare triple {6621#(forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= (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_201)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {6621#(forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= (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_201)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is VALID [2022-02-20 23:48:10,927 WARN L290 TraceCheckUtils]: 11: Hoare triple {6628#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_13|) 0)) (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= 1 (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_201)) |v_ULTIMATE.start_main_~t~0#1.base_13| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|))))))} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {6621#(forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= (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_201)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)))} is UNKNOWN [2022-02-20 23:48:10,928 INFO L290 TraceCheckUtils]: 10: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {6628#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_13|) 0)) (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_201 Int)) (not (= 1 (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_201)) |v_ULTIMATE.start_main_~t~0#1.base_13| v_ArrVal_205) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|))))))} is VALID [2022-02-20 23:48:10,930 INFO L290 TraceCheckUtils]: 9: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,931 INFO L290 TraceCheckUtils]: 8: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,931 INFO L290 TraceCheckUtils]: 7: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1 := main_~y~0#1 < 10; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,932 INFO L290 TraceCheckUtils]: 6: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,933 INFO L290 TraceCheckUtils]: 5: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,934 INFO L290 TraceCheckUtils]: 4: Hoare triple {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 < 10; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,934 INFO L290 TraceCheckUtils]: 3: Hoare triple {6475#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; {6632#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:10,934 INFO L290 TraceCheckUtils]: 2: Hoare triple {6475#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {6475#true} is VALID [2022-02-20 23:48:10,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {6475#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {6475#true} is VALID [2022-02-20 23:48:10,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {6475#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {6475#true} is VALID [2022-02-20 23:48:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-02-20 23:48:10,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798339688] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:10,936 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:10,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 29 [2022-02-20 23:48:10,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404176010] [2022-02-20 23:48:10,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:10,937 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:10,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:10,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:11,032 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 69 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:11,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-20 23:48:11,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:11,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-20 23:48:11,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=478, Unknown=4, NotChecked=196, Total=812 [2022-02-20 23:48:11,033 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:12,801 INFO L93 Difference]: Finished difference Result 221 states and 240 transitions. [2022-02-20 23:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 23:48:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 239 transitions. [2022-02-20 23:48:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 239 transitions. [2022-02-20 23:48:12,805 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 239 transitions. [2022-02-20 23:48:13,020 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 238 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:13,024 INFO L225 Difference]: With dead ends: 221 [2022-02-20 23:48:13,024 INFO L226 Difference]: Without dead ends: 221 [2022-02-20 23:48:13,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=367, Invalid=1127, Unknown=4, NotChecked=308, Total=1806 [2022-02-20 23:48:13,025 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 493 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 629 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:13,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 544 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 588 Invalid, 0 Unknown, 629 Unchecked, 0.6s Time] [2022-02-20 23:48:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-20 23:48:13,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 112. [2022-02-20 23:48:13,028 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:13,028 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,028 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,029 INFO L87 Difference]: Start difference. First operand 221 states. Second operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,032 INFO L93 Difference]: Finished difference Result 221 states and 240 transitions. [2022-02-20 23:48:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 240 transitions. [2022-02-20 23:48:13,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:13,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:13,033 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 221 states. [2022-02-20 23:48:13,033 INFO L87 Difference]: Start difference. First operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 221 states. [2022-02-20 23:48:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:13,037 INFO L93 Difference]: Finished difference Result 221 states and 240 transitions. [2022-02-20 23:48:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 240 transitions. [2022-02-20 23:48:13,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:13,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:13,038 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:13,038 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2022-02-20 23:48:13,040 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 27 [2022-02-20 23:48:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:13,040 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2022-02-20 23:48:13,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2022-02-20 23:48:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:48:13,043 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:13,044 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:13,071 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 23:48:13,267 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,SelfDestructingSolverStorable12 [2022-02-20 23:48:13,268 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:13,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:13,268 INFO L85 PathProgramCache]: Analyzing trace with hash 324037282, now seen corresponding path program 1 times [2022-02-20 23:48:13,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:13,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738554596] [2022-02-20 23:48:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:13,534 INFO L290 TraceCheckUtils]: 0: Hoare triple {7469#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {7469#true} is VALID [2022-02-20 23:48:13,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {7469#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {7471#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:13,535 INFO L290 TraceCheckUtils]: 2: Hoare triple {7471#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {7471#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:13,535 INFO L290 TraceCheckUtils]: 3: Hoare triple {7471#(= |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; {7472#(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 23:48:13,535 INFO L290 TraceCheckUtils]: 4: Hoare triple {7472#(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 < 10; {7472#(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 23:48:13,536 INFO L290 TraceCheckUtils]: 5: Hoare triple {7472#(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; {7472#(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 23:48:13,536 INFO L290 TraceCheckUtils]: 6: Hoare triple {7472#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {7472#(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 23:48:13,537 INFO L290 TraceCheckUtils]: 7: Hoare triple {7472#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {7473#(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 23:48:13,538 INFO L290 TraceCheckUtils]: 8: Hoare triple {7473#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {7474#(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 23:48:13,538 INFO L290 TraceCheckUtils]: 9: Hoare triple {7474#(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); {7474#(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 23:48:13,539 INFO L290 TraceCheckUtils]: 10: Hoare triple {7474#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {7475#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:13,540 INFO L290 TraceCheckUtils]: 11: Hoare triple {7475#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {7476#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} is VALID [2022-02-20 23:48:13,541 INFO L290 TraceCheckUtils]: 12: Hoare triple {7476#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,541 INFO L290 TraceCheckUtils]: 13: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short5#1 := main_~i~0#1 < 10; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,542 INFO L290 TraceCheckUtils]: 14: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,542 INFO L290 TraceCheckUtils]: 15: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,543 INFO L290 TraceCheckUtils]: 16: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short10#1 := main_~y~0#1 < 10; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,543 INFO L290 TraceCheckUtils]: 17: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,544 INFO L290 TraceCheckUtils]: 18: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:13,546 INFO L290 TraceCheckUtils]: 19: Hoare triple {7477#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {7478#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:13,547 INFO L290 TraceCheckUtils]: 20: Hoare triple {7478#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {7479#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:13,547 INFO L290 TraceCheckUtils]: 21: Hoare triple {7479#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:13,548 INFO L290 TraceCheckUtils]: 22: Hoare triple {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:13,548 INFO L290 TraceCheckUtils]: 23: Hoare triple {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:13,549 INFO L290 TraceCheckUtils]: 24: Hoare triple {7480#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {7481#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:48:13,549 INFO L290 TraceCheckUtils]: 25: Hoare triple {7481#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {7482#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:13,550 INFO L290 TraceCheckUtils]: 26: Hoare triple {7482#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {7470#false} is VALID [2022-02-20 23:48:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:13,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:13,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738554596] [2022-02-20 23:48:13,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738554596] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:13,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916854481] [2022-02-20 23:48:13,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:13,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:13,552 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 23:48:13,553 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 23:48:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:13,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:48:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:13,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:13,782 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:48:13,783 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 23:48:13,877 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 23:48:14,106 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:14,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:48:14,135 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:14,136 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 23:48:14,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:48:14,356 INFO L290 TraceCheckUtils]: 0: Hoare triple {7469#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {7469#true} is VALID [2022-02-20 23:48:14,357 INFO L290 TraceCheckUtils]: 1: Hoare triple {7469#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:14,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:14,358 INFO L290 TraceCheckUtils]: 3: Hoare triple {7489#(<= |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; {7496#(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 23:48:14,359 INFO L290 TraceCheckUtils]: 4: Hoare triple {7496#(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 < 10; {7496#(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 23:48:14,359 INFO L290 TraceCheckUtils]: 5: Hoare triple {7496#(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; {7496#(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 23:48:14,360 INFO L290 TraceCheckUtils]: 6: Hoare triple {7496#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {7496#(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 23:48:14,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {7496#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {7473#(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 23:48:14,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {7473#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {7512#(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 23:48:14,364 INFO L290 TraceCheckUtils]: 9: Hoare triple {7512#(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); {7512#(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 23:48:14,365 INFO L290 TraceCheckUtils]: 10: Hoare triple {7512#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {7519#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,365 INFO L290 TraceCheckUtils]: 11: Hoare triple {7519#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {7523#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,366 INFO L290 TraceCheckUtils]: 12: Hoare triple {7523#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,367 INFO L290 TraceCheckUtils]: 13: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_#t~short5#1 := main_~i~0#1 < 10; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,367 INFO L290 TraceCheckUtils]: 14: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,368 INFO L290 TraceCheckUtils]: 15: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,368 INFO L290 TraceCheckUtils]: 16: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,369 INFO L290 TraceCheckUtils]: 17: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,370 INFO L290 TraceCheckUtils]: 18: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,371 INFO L290 TraceCheckUtils]: 19: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,372 INFO L290 TraceCheckUtils]: 20: Hoare triple {7527#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {7552#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,372 INFO L290 TraceCheckUtils]: 21: Hoare triple {7552#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,373 INFO L290 TraceCheckUtils]: 22: Hoare triple {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,373 INFO L290 TraceCheckUtils]: 23: Hoare triple {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,374 INFO L290 TraceCheckUtils]: 24: Hoare triple {7556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {7566#(and (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_#t~mem16#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1))} is VALID [2022-02-20 23:48:14,375 INFO L290 TraceCheckUtils]: 25: Hoare triple {7566#(and (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_#t~mem16#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {7570#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_67| Int)) (and (not (= |v_ULTIMATE.start_main_~p~0#1.base_67| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_67|) 1))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:14,375 INFO L290 TraceCheckUtils]: 26: Hoare triple {7570#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_67| Int)) (and (not (= |v_ULTIMATE.start_main_~p~0#1.base_67| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_67|) 1))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(1 == #valid[main_~p~0#1.base]); {7470#false} is VALID [2022-02-20 23:48:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:14,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:14,615 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:14,615 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 23:48:14,624 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:14,625 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 23:48:14,629 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 23:48:15,189 INFO L356 Elim1Store]: treesize reduction 18, result has 63.3 percent of original size [2022-02-20 23:48:15,189 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 23:48:15,568 INFO L290 TraceCheckUtils]: 26: Hoare triple {7482#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {7470#false} is VALID [2022-02-20 23:48:15,568 INFO L290 TraceCheckUtils]: 25: Hoare triple {7481#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {7482#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:15,569 INFO L290 TraceCheckUtils]: 24: Hoare triple {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {7481#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:48:15,570 INFO L290 TraceCheckUtils]: 23: Hoare triple {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:15,570 INFO L290 TraceCheckUtils]: 22: Hoare triple {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:15,570 INFO L290 TraceCheckUtils]: 21: Hoare triple {7590#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {7580#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:15,572 INFO L290 TraceCheckUtils]: 20: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {7590#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:15,574 WARN L290 TraceCheckUtils]: 19: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is UNKNOWN [2022-02-20 23:48:15,575 INFO L290 TraceCheckUtils]: 18: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,575 INFO L290 TraceCheckUtils]: 17: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,576 INFO L290 TraceCheckUtils]: 16: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,576 INFO L290 TraceCheckUtils]: 15: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,576 INFO L290 TraceCheckUtils]: 14: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} main_#t~short5#1 := main_~i~0#1 < 10; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {7619#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {7594#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,578 INFO L290 TraceCheckUtils]: 11: Hoare triple {7623#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {7619#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,579 INFO L290 TraceCheckUtils]: 10: Hoare triple {7627#(or (forall ((v_arrayElimCell_18 Int)) (or (and (= (select |#valid| v_arrayElimCell_18) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_18)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_arrayElimCell_20 Int)) (= (select |#valid| v_arrayElimCell_20) 1)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {7623#(forall ((v_ArrVal_266 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_266) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:15,581 INFO L290 TraceCheckUtils]: 9: Hoare triple {7627#(or (forall ((v_arrayElimCell_18 Int)) (or (and (= (select |#valid| v_arrayElimCell_18) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_18)) (= |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|)))) (forall ((v_arrayElimCell_20 Int)) (= (select |#valid| v_arrayElimCell_20) 1)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {7627#(or (forall ((v_arrayElimCell_18 Int)) (or (and (= (select |#valid| v_arrayElimCell_18) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_18)) (= |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|)))) (forall ((v_arrayElimCell_20 Int)) (= (select |#valid| v_arrayElimCell_20) 1)))} is VALID [2022-02-20 23:48:15,583 INFO L290 TraceCheckUtils]: 8: Hoare triple {7634#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_~t~0#1.base_15| Int) (v_arrayElimCell_20 Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15| 1) v_arrayElimCell_18) 1) (not (= |v_ULTIMATE.start_main_~t~0#1.base_15| |ULTIMATE.start_main_~a~0#1.base|))) (= 1 (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15| 1) v_arrayElimCell_20)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15|) 0)) (and (= |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|) (not (= |v_ULTIMATE.start_main_~t~0#1.base_15| v_arrayElimCell_18)))))} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {7627#(or (forall ((v_arrayElimCell_18 Int)) (or (and (= (select |#valid| v_arrayElimCell_18) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|))) (and (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_18)) (= |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|)))) (forall ((v_arrayElimCell_20 Int)) (= (select |#valid| v_arrayElimCell_20) 1)))} is VALID [2022-02-20 23:48:15,585 INFO L290 TraceCheckUtils]: 7: Hoare triple {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {7634#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_~t~0#1.base_15| Int) (v_arrayElimCell_20 Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15| 1) v_arrayElimCell_18) 1) (not (= |v_ULTIMATE.start_main_~t~0#1.base_15| |ULTIMATE.start_main_~a~0#1.base|))) (= 1 (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15| 1) v_arrayElimCell_20)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_15|) 0)) (and (= |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|) (not (= |v_ULTIMATE.start_main_~t~0#1.base_15| v_arrayElimCell_18)))))} is VALID [2022-02-20 23:48:15,586 INFO L290 TraceCheckUtils]: 6: Hoare triple {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:15,587 INFO L290 TraceCheckUtils]: 5: Hoare triple {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:15,587 INFO L290 TraceCheckUtils]: 4: Hoare triple {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 < 10; {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:15,588 INFO L290 TraceCheckUtils]: 3: Hoare triple {7489#(<= |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; {7638#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:15,589 INFO L290 TraceCheckUtils]: 2: Hoare triple {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,590 INFO L290 TraceCheckUtils]: 1: Hoare triple {7469#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {7489#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:15,590 INFO L290 TraceCheckUtils]: 0: Hoare triple {7469#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {7469#true} is VALID [2022-02-20 23:48:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:15,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916854481] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:15,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:15,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2022-02-20 23:48:15,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788692453] [2022-02-20 23:48:15,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:15,594 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:15,594 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:15,594 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 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 23:48:15,892 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 74 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:15,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 23:48:15,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 23:48:15,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=813, Unknown=23, NotChecked=0, Total=992 [2022-02-20 23:48:15,893 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 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 23:48:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,176 INFO L93 Difference]: Finished difference Result 226 states and 253 transitions. [2022-02-20 23:48:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:48:18,176 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:18,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 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 23:48:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 236 transitions. [2022-02-20 23:48:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 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 23:48:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 236 transitions. [2022-02-20 23:48:18,181 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 236 transitions. [2022-02-20 23:48:18,376 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:18,379 INFO L225 Difference]: With dead ends: 226 [2022-02-20 23:48:18,379 INFO L226 Difference]: Without dead ends: 226 [2022-02-20 23:48:18,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=288, Invalid=1169, Unknown=25, NotChecked=0, Total=1482 [2022-02-20 23:48:18,380 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 604 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 627 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:18,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 906 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 862 Invalid, 0 Unknown, 627 Unchecked, 0.8s Time] [2022-02-20 23:48:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-20 23:48:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 132. [2022-02-20 23:48:18,383 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:18,384 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,384 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,384 INFO L87 Difference]: Start difference. First operand 226 states. Second operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,388 INFO L93 Difference]: Finished difference Result 226 states and 253 transitions. [2022-02-20 23:48:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 253 transitions. [2022-02-20 23:48:18,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,389 INFO L74 IsIncluded]: Start isIncluded. First operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 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 226 states. [2022-02-20 23:48:18,390 INFO L87 Difference]: Start difference. First operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 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 226 states. [2022-02-20 23:48:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:18,394 INFO L93 Difference]: Finished difference Result 226 states and 253 transitions. [2022-02-20 23:48:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 253 transitions. [2022-02-20 23:48:18,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:18,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:18,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:18,395 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 131 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2022-02-20 23:48:18,397 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 27 [2022-02-20 23:48:18,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:18,397 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2022-02-20 23:48:18,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 32 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 23:48:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2022-02-20 23:48:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:48:18,398 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:18,398 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:18,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:48:18,611 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,SelfDestructingSolverStorable13 [2022-02-20 23:48:18,612 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:18,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash 324037283, now seen corresponding path program 1 times [2022-02-20 23:48:18,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:18,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078653597] [2022-02-20 23:48:18,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:18,904 INFO L290 TraceCheckUtils]: 0: Hoare triple {8485#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {8485#true} is VALID [2022-02-20 23:48:18,904 INFO L290 TraceCheckUtils]: 1: Hoare triple {8485#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {8487#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:18,910 INFO L290 TraceCheckUtils]: 2: Hoare triple {8487#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {8487#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:18,912 INFO L290 TraceCheckUtils]: 3: Hoare triple {8487#(= |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; {8488#(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 23:48:18,913 INFO L290 TraceCheckUtils]: 4: Hoare triple {8488#(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 < 10; {8488#(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 23:48:18,914 INFO L290 TraceCheckUtils]: 5: Hoare triple {8488#(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; {8488#(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 23:48:18,914 INFO L290 TraceCheckUtils]: 6: Hoare triple {8488#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {8488#(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 23:48:18,915 INFO L290 TraceCheckUtils]: 7: Hoare triple {8488#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {8489#(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 23:48:18,916 INFO L290 TraceCheckUtils]: 8: Hoare triple {8489#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {8490#(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 23:48:18,917 INFO L290 TraceCheckUtils]: 9: Hoare triple {8490#(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); {8490#(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 23:48:18,918 INFO L290 TraceCheckUtils]: 10: Hoare triple {8490#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {8491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:18,919 INFO L290 TraceCheckUtils]: 11: Hoare triple {8491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {8492#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,920 INFO L290 TraceCheckUtils]: 12: Hoare triple {8492#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,920 INFO L290 TraceCheckUtils]: 13: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short5#1 := main_~i~0#1 < 10; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,921 INFO L290 TraceCheckUtils]: 14: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,922 INFO L290 TraceCheckUtils]: 15: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,922 INFO L290 TraceCheckUtils]: 16: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short10#1 := main_~y~0#1 < 10; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,923 INFO L290 TraceCheckUtils]: 17: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,924 INFO L290 TraceCheckUtils]: 18: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,925 INFO L290 TraceCheckUtils]: 19: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,926 INFO L290 TraceCheckUtils]: 20: Hoare triple {8493#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {8494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:18,926 INFO L290 TraceCheckUtils]: 21: Hoare triple {8494#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:18,927 INFO L290 TraceCheckUtils]: 22: Hoare triple {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:18,928 INFO L290 TraceCheckUtils]: 23: Hoare triple {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:18,929 INFO L290 TraceCheckUtils]: 24: Hoare triple {8495#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {8496#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} is VALID [2022-02-20 23:48:18,929 INFO L290 TraceCheckUtils]: 25: Hoare triple {8496#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8497#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:18,930 INFO L290 TraceCheckUtils]: 26: Hoare triple {8497#(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); {8486#false} is VALID [2022-02-20 23:48:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:18,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:18,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078653597] [2022-02-20 23:48:18,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078653597] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:18,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295526070] [2022-02-20 23:48:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:18,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:18,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:18,934 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 23:48:18,935 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 23:48:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:19,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 23:48:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:19,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:19,200 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 23:48:19,223 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:19,223 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 23:48:19,286 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 23:48:19,297 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 23:48:19,526 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:48:19,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 23:48:19,546 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:19,546 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 23:48:19,594 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:19,594 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 23:48:19,601 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 23:48:19,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:19,819 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 23:48:19,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:19,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-02-20 23:48:19,900 INFO L290 TraceCheckUtils]: 0: Hoare triple {8485#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {8485#true} is VALID [2022-02-20 23:48:19,901 INFO L290 TraceCheckUtils]: 1: Hoare triple {8485#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:19,901 INFO L290 TraceCheckUtils]: 2: Hoare triple {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:19,901 INFO L290 TraceCheckUtils]: 3: Hoare triple {8504#(<= |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; {8511#(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 23:48:19,902 INFO L290 TraceCheckUtils]: 4: Hoare triple {8511#(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 < 10; {8511#(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 23:48:19,902 INFO L290 TraceCheckUtils]: 5: Hoare triple {8511#(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; {8511#(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 23:48:19,903 INFO L290 TraceCheckUtils]: 6: Hoare triple {8511#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {8511#(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 23:48:19,903 INFO L290 TraceCheckUtils]: 7: Hoare triple {8511#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {8489#(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 23:48:19,904 INFO L290 TraceCheckUtils]: 8: Hoare triple {8489#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {8490#(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 23:48:19,905 INFO L290 TraceCheckUtils]: 9: Hoare triple {8490#(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); {8490#(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 23:48:19,905 INFO L290 TraceCheckUtils]: 10: Hoare triple {8490#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {8491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:19,906 INFO L290 TraceCheckUtils]: 11: Hoare triple {8491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {8536#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} is VALID [2022-02-20 23:48:19,906 INFO L290 TraceCheckUtils]: 12: Hoare triple {8536#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,907 INFO L290 TraceCheckUtils]: 13: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short5#1 := main_~i~0#1 < 10; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,908 INFO L290 TraceCheckUtils]: 14: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,909 INFO L290 TraceCheckUtils]: 15: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,909 INFO L290 TraceCheckUtils]: 16: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short10#1 := main_~y~0#1 < 10; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,910 INFO L290 TraceCheckUtils]: 17: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,911 INFO L290 TraceCheckUtils]: 18: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,912 INFO L290 TraceCheckUtils]: 20: Hoare triple {8540#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {8565#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:19,913 INFO L290 TraceCheckUtils]: 21: Hoare triple {8565#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {8569#(and (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:19,913 INFO L290 TraceCheckUtils]: 22: Hoare triple {8569#(and (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {8573#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:19,914 INFO L290 TraceCheckUtils]: 23: Hoare triple {8573#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {8573#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:19,914 INFO L290 TraceCheckUtils]: 24: Hoare triple {8573#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {8496#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} is VALID [2022-02-20 23:48:19,915 INFO L290 TraceCheckUtils]: 25: Hoare triple {8496#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8497#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:19,915 INFO L290 TraceCheckUtils]: 26: Hoare triple {8497#(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); {8486#false} is VALID [2022-02-20 23:48:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:19,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:21,793 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:21,793 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 23:48:21,815 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:21,815 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 23:48:21,842 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:21,842 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 23:48:21,904 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:21,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 134 [2022-02-20 23:48:21,991 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 23:48:22,011 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 23:48:22,033 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 23:48:22,635 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:22,636 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 23:48:22,879 INFO L290 TraceCheckUtils]: 26: Hoare triple {8586#(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); {8486#false} is VALID [2022-02-20 23:48:22,879 INFO L290 TraceCheckUtils]: 25: Hoare triple {8590#(and (<= 0 |ULTIMATE.start_main_#t~mem16#1.offset|) (<= (+ 4 |ULTIMATE.start_main_#t~mem16#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8586#(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 23:48:22,880 INFO L290 TraceCheckUtils]: 24: Hoare triple {8594#(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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {8590#(and (<= 0 |ULTIMATE.start_main_#t~mem16#1.offset|) (<= (+ 4 |ULTIMATE.start_main_#t~mem16#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|)))} is VALID [2022-02-20 23:48:22,881 INFO L290 TraceCheckUtils]: 23: Hoare triple {8594#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {8594#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:22,881 INFO L290 TraceCheckUtils]: 22: Hoare triple {8601#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {8594#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:22,883 INFO L290 TraceCheckUtils]: 21: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {8601#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} is VALID [2022-02-20 23:48:22,886 INFO L290 TraceCheckUtils]: 20: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {8605#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|))))} is VALID [2022-02-20 23:48:22,897 WARN L290 TraceCheckUtils]: 19: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is UNKNOWN [2022-02-20 23:48:22,899 INFO L290 TraceCheckUtils]: 18: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,900 INFO L290 TraceCheckUtils]: 17: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,902 INFO L290 TraceCheckUtils]: 16: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} main_#t~short10#1 := main_~y~0#1 < 10; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,903 INFO L290 TraceCheckUtils]: 15: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,905 INFO L290 TraceCheckUtils]: 14: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,906 INFO L290 TraceCheckUtils]: 13: Hoare triple {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} main_#t~short5#1 := main_~i~0#1 < 10; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,908 INFO L290 TraceCheckUtils]: 12: Hoare triple {8634#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {8609#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,909 INFO L290 TraceCheckUtils]: 11: Hoare triple {8638#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {8634#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,911 INFO L290 TraceCheckUtils]: 10: Hoare triple {8642#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {8638#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_56| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_56|)) (and (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_330) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4))))) (forall ((v_ArrVal_331 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_331) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_56| 4)))))))} is VALID [2022-02-20 23:48:22,911 INFO L290 TraceCheckUtils]: 9: Hoare triple {8642#(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); {8642#(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 23:48:22,912 INFO L290 TraceCheckUtils]: 8: Hoare triple {8649#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_18|) 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_18| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {8642#(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 23:48:22,913 INFO L290 TraceCheckUtils]: 7: Hoare triple {8653#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {8649#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_18|) 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_18| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))))} is VALID [2022-02-20 23:48:22,914 INFO L290 TraceCheckUtils]: 6: Hoare triple {8653#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {8653#(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 23:48:22,914 INFO L290 TraceCheckUtils]: 5: Hoare triple {8653#(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; {8653#(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 23:48:22,915 INFO L290 TraceCheckUtils]: 4: Hoare triple {8653#(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 < 10; {8653#(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 23:48:22,915 INFO L290 TraceCheckUtils]: 3: Hoare triple {8504#(<= |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; {8653#(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 23:48:22,916 INFO L290 TraceCheckUtils]: 2: Hoare triple {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:22,916 INFO L290 TraceCheckUtils]: 1: Hoare triple {8485#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {8504#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:22,916 INFO L290 TraceCheckUtils]: 0: Hoare triple {8485#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {8485#true} is VALID [2022-02-20 23:48:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:22,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295526070] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:22,917 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:22,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 30 [2022-02-20 23:48:22,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619399457] [2022-02-20 23:48:22,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:22,917 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:22,918 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:22,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:23,005 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 71 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:23,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-20 23:48:23,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:23,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-20 23:48:23,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=783, Unknown=12, NotChecked=0, Total=930 [2022-02-20 23:48:23,007 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,259 INFO L93 Difference]: Finished difference Result 190 states and 214 transitions. [2022-02-20 23:48:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 23:48:25,259 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:48:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 217 transitions. [2022-02-20 23:48:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 217 transitions. [2022-02-20 23:48:25,263 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 217 transitions. [2022-02-20 23:48:25,476 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:25,478 INFO L225 Difference]: With dead ends: 190 [2022-02-20 23:48:25,478 INFO L226 Difference]: Without dead ends: 190 [2022-02-20 23:48:25,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1571, Unknown=12, NotChecked=0, Total=1980 [2022-02-20 23:48:25,479 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 469 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 318 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:25,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 870 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 752 Invalid, 0 Unknown, 318 Unchecked, 0.6s Time] [2022-02-20 23:48:25,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-02-20 23:48:25,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 129. [2022-02-20 23:48:25,482 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:25,482 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,482 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,482 INFO L87 Difference]: Start difference. First operand 190 states. Second operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,485 INFO L93 Difference]: Finished difference Result 190 states and 214 transitions. [2022-02-20 23:48:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 214 transitions. [2022-02-20 23:48:25,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:25,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:25,486 INFO L74 IsIncluded]: Start isIncluded. First operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 190 states. [2022-02-20 23:48:25,489 INFO L87 Difference]: Start difference. First operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 190 states. [2022-02-20 23:48:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:25,492 INFO L93 Difference]: Finished difference Result 190 states and 214 transitions. [2022-02-20 23:48:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 214 transitions. [2022-02-20 23:48:25,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:25,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:25,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:25,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 128 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2022-02-20 23:48:25,495 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 27 [2022-02-20 23:48:25,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:25,495 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2022-02-20 23:48:25,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.4) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2022-02-20 23:48:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:48:25,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:25,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:25,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:48:25,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:25,715 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:25,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:25,715 INFO L85 PathProgramCache]: Analyzing trace with hash -754040858, now seen corresponding path program 1 times [2022-02-20 23:48:25,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:25,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825604910] [2022-02-20 23:48:25,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:25,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:25,835 INFO L290 TraceCheckUtils]: 0: Hoare triple {9407#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {9407#true} is VALID [2022-02-20 23:48:25,835 INFO L290 TraceCheckUtils]: 1: Hoare triple {9407#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {9409#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:25,836 INFO L290 TraceCheckUtils]: 2: Hoare triple {9409#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {9409#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:25,836 INFO L290 TraceCheckUtils]: 3: Hoare triple {9409#(= |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; {9410#(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 23:48:25,837 INFO L290 TraceCheckUtils]: 4: Hoare triple {9410#(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 < 10; {9410#(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 23:48:25,837 INFO L290 TraceCheckUtils]: 5: Hoare triple {9410#(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; {9410#(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 23:48:25,838 INFO L290 TraceCheckUtils]: 6: Hoare triple {9410#(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; {9410#(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 23:48:25,838 INFO L290 TraceCheckUtils]: 7: Hoare triple {9410#(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~short10#1 := main_~y~0#1 < 10; {9410#(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 23:48:25,839 INFO L290 TraceCheckUtils]: 8: Hoare triple {9410#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {9410#(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 23:48:25,839 INFO L290 TraceCheckUtils]: 9: Hoare triple {9410#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {9410#(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 23:48:25,840 INFO L290 TraceCheckUtils]: 10: Hoare triple {9410#(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(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {9410#(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 23:48:25,841 INFO L290 TraceCheckUtils]: 11: Hoare triple {9410#(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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,841 INFO L290 TraceCheckUtils]: 12: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,842 INFO L290 TraceCheckUtils]: 13: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,842 INFO L290 TraceCheckUtils]: 14: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,843 INFO L290 TraceCheckUtils]: 15: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,843 INFO L290 TraceCheckUtils]: 16: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,844 INFO L290 TraceCheckUtils]: 17: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,844 INFO L290 TraceCheckUtils]: 18: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !(3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20);havoc main_#t~mem20#1; {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:25,845 INFO L290 TraceCheckUtils]: 19: Hoare triple {9411#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {9412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:25,845 INFO L290 TraceCheckUtils]: 20: Hoare triple {9412#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L570-3 {9413#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:25,846 INFO L290 TraceCheckUtils]: 21: Hoare triple {9413#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(main_#t~mem21#1.base != 0 || main_#t~mem21#1.offset != 0);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {9408#false} is VALID [2022-02-20 23:48:25,846 INFO L290 TraceCheckUtils]: 22: Hoare triple {9408#false} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L571 {9408#false} is VALID [2022-02-20 23:48:25,846 INFO L290 TraceCheckUtils]: 23: Hoare triple {9408#false} main_~t~0#1.base, main_~t~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {9408#false} is VALID [2022-02-20 23:48:25,846 INFO L290 TraceCheckUtils]: 24: Hoare triple {9408#false} assume 0 == main_~p~0#1.offset; {9408#false} is VALID [2022-02-20 23:48:25,847 INFO L290 TraceCheckUtils]: 25: Hoare triple {9408#false} assume main_~p~0#1.base < #StackHeapBarrier; {9408#false} is VALID [2022-02-20 23:48:25,847 INFO L290 TraceCheckUtils]: 26: Hoare triple {9408#false} 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; {9408#false} is VALID [2022-02-20 23:48:25,847 INFO L290 TraceCheckUtils]: 27: Hoare triple {9408#false} assume !(1 == #valid[main_~p~0#1.base]); {9408#false} is VALID [2022-02-20 23:48:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:25,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:25,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825604910] [2022-02-20 23:48:25,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825604910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:48:25,848 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:48:25,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:48:25,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424238025] [2022-02-20 23:48:25,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:48:25,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:48:25,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:25,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:25,870 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:25,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:48:25,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:25,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:48:25,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:48:25,872 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,255 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2022-02-20 23:48:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:48:26,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:48:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 130 transitions. [2022-02-20 23:48:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 130 transitions. [2022-02-20 23:48:26,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 130 transitions. [2022-02-20 23:48:26,376 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:26,378 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:48:26,378 INFO L226 Difference]: Without dead ends: 134 [2022-02-20 23:48:26,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:48:26,379 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 175 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:26,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 167 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:48:26,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-02-20 23:48:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2022-02-20 23:48:26,381 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:26,382 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,382 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,382 INFO L87 Difference]: Start difference. First operand 134 states. Second operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,384 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2022-02-20 23:48:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2022-02-20 23:48:26,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:26,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:26,385 INFO L74 IsIncluded]: Start isIncluded. First operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 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 134 states. [2022-02-20 23:48:26,385 INFO L87 Difference]: Start difference. First operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 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 134 states. [2022-02-20 23:48:26,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:26,387 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2022-02-20 23:48:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2022-02-20 23:48:26,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:26,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:26,388 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:26,388 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 116 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-02-20 23:48:26,390 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 28 [2022-02-20 23:48:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:26,390 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-02-20 23:48:26,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-02-20 23:48:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:48:26,391 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:26,391 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:26,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-20 23:48:26,391 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:26,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:26,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1881225996, now seen corresponding path program 1 times [2022-02-20 23:48:26,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:26,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984552057] [2022-02-20 23:48:26,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:26,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,588 INFO L290 TraceCheckUtils]: 0: Hoare triple {9951#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {9951#true} is VALID [2022-02-20 23:48:26,588 INFO L290 TraceCheckUtils]: 1: Hoare triple {9951#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {9951#true} is VALID [2022-02-20 23:48:26,588 INFO L290 TraceCheckUtils]: 2: Hoare triple {9951#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {9951#true} is VALID [2022-02-20 23:48:26,589 INFO L290 TraceCheckUtils]: 3: Hoare triple {9951#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; {9953#(and (= |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 23:48:26,589 INFO L290 TraceCheckUtils]: 4: Hoare triple {9953#(and (= |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 < 10; {9953#(and (= |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 23:48:26,590 INFO L290 TraceCheckUtils]: 5: Hoare triple {9953#(and (= |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; {9953#(and (= |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 23:48:26,590 INFO L290 TraceCheckUtils]: 6: Hoare triple {9953#(and (= |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; {9953#(and (= |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 23:48:26,591 INFO L290 TraceCheckUtils]: 7: Hoare triple {9953#(and (= |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~short10#1 := main_~y~0#1 < 10; {9953#(and (= |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 23:48:26,591 INFO L290 TraceCheckUtils]: 8: Hoare triple {9953#(and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {9953#(and (= |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 23:48:26,592 INFO L290 TraceCheckUtils]: 9: Hoare triple {9953#(and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {9953#(and (= |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 23:48:26,593 INFO L290 TraceCheckUtils]: 10: Hoare triple {9953#(and (= |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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {9954#(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|) 2) (= |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 23:48:26,594 INFO L290 TraceCheckUtils]: 11: Hoare triple {9954#(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|) 2) (= |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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {9955#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:26,594 INFO L290 TraceCheckUtils]: 12: Hoare triple {9955#(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|) 2) (= |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); {9955#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:26,595 INFO L290 TraceCheckUtils]: 13: Hoare triple {9955#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {9956#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:26,596 INFO L290 TraceCheckUtils]: 14: Hoare triple {9956#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {9957#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:26,597 INFO L290 TraceCheckUtils]: 15: Hoare triple {9957#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,597 INFO L290 TraceCheckUtils]: 16: Hoare triple {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short10#1 := main_~y~0#1 < 10; {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,599 INFO L290 TraceCheckUtils]: 17: Hoare triple {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,599 INFO L290 TraceCheckUtils]: 18: Hoare triple {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,600 INFO L290 TraceCheckUtils]: 19: Hoare triple {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:26,601 INFO L290 TraceCheckUtils]: 20: Hoare triple {9958#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (not (= |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: L554 {9959#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} is VALID [2022-02-20 23:48:26,602 INFO L290 TraceCheckUtils]: 21: Hoare triple {9959#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:26,602 INFO L290 TraceCheckUtils]: 22: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:26,603 INFO L290 TraceCheckUtils]: 23: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:26,603 INFO L290 TraceCheckUtils]: 24: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} is VALID [2022-02-20 23:48:26,604 INFO L290 TraceCheckUtils]: 25: Hoare triple {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {9952#false} is VALID [2022-02-20 23:48:26,604 INFO L290 TraceCheckUtils]: 26: Hoare triple {9952#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {9952#false} is VALID [2022-02-20 23:48:26,604 INFO L290 TraceCheckUtils]: 27: Hoare triple {9952#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {9952#false} is VALID [2022-02-20 23:48:26,604 INFO L290 TraceCheckUtils]: 28: Hoare triple {9952#false} assume !false; {9952#false} is VALID [2022-02-20 23:48:26,604 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 23:48:26,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:26,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984552057] [2022-02-20 23:48:26,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984552057] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:26,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49091896] [2022-02-20 23:48:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:26,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:26,608 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 23:48:26,616 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 23:48:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-20 23:48:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:26,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:26,840 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 23:48:26,882 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:26,883 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 23:48:26,966 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 23:48:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:26,975 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 23:48:27,017 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 23:48:27,098 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 23:48:27,133 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 23:48:27,201 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 23:48:27,207 INFO L290 TraceCheckUtils]: 0: Hoare triple {9951#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {9951#true} is VALID [2022-02-20 23:48:27,208 INFO L290 TraceCheckUtils]: 1: Hoare triple {9951#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {9968#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:27,208 INFO L290 TraceCheckUtils]: 2: Hoare triple {9968#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {9968#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:27,209 INFO L290 TraceCheckUtils]: 3: Hoare triple {9968#(= |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; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,209 INFO L290 TraceCheckUtils]: 4: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 < 10; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,210 INFO L290 TraceCheckUtils]: 5: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,210 INFO L290 TraceCheckUtils]: 6: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,217 INFO L290 TraceCheckUtils]: 7: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1 := main_~y~0#1 < 10; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,218 INFO L290 TraceCheckUtils]: 8: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,218 INFO L290 TraceCheckUtils]: 9: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:27,219 INFO L290 TraceCheckUtils]: 10: Hoare triple {9975#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {9997#(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|) 2) (= |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 23:48:27,220 INFO L290 TraceCheckUtils]: 11: Hoare triple {9997#(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|) 2) (= |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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {10001#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:27,221 INFO L290 TraceCheckUtils]: 12: Hoare triple {10001#(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|) 2) (= |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); {10001#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:27,222 INFO L290 TraceCheckUtils]: 13: Hoare triple {10001#(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|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {10008#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:27,222 INFO L290 TraceCheckUtils]: 14: Hoare triple {10008#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {10012#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} is VALID [2022-02-20 23:48:27,223 INFO L290 TraceCheckUtils]: 15: Hoare triple {10012#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:27,223 INFO L290 TraceCheckUtils]: 16: Hoare triple {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} main_#t~short10#1 := main_~y~0#1 < 10; {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:27,224 INFO L290 TraceCheckUtils]: 17: Hoare triple {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:27,225 INFO L290 TraceCheckUtils]: 18: Hoare triple {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:27,226 INFO L290 TraceCheckUtils]: 19: Hoare triple {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:27,226 INFO L290 TraceCheckUtils]: 20: Hoare triple {10016#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |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: L554 {10032#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0))} is VALID [2022-02-20 23:48:27,228 INFO L290 TraceCheckUtils]: 21: Hoare triple {10032#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2) (= |ULTIMATE.start_main_~a~0#1.offset| 0))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} is VALID [2022-02-20 23:48:27,228 INFO L290 TraceCheckUtils]: 22: Hoare triple {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} is VALID [2022-02-20 23:48:27,230 INFO L290 TraceCheckUtils]: 23: Hoare triple {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} is VALID [2022-02-20 23:48:27,231 INFO L290 TraceCheckUtils]: 24: Hoare triple {10036#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 2))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} is VALID [2022-02-20 23:48:27,231 INFO L290 TraceCheckUtils]: 25: Hoare triple {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {9952#false} is VALID [2022-02-20 23:48:27,231 INFO L290 TraceCheckUtils]: 26: Hoare triple {9952#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {9952#false} is VALID [2022-02-20 23:48:27,231 INFO L290 TraceCheckUtils]: 27: Hoare triple {9952#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {9952#false} is VALID [2022-02-20 23:48:27,231 INFO L290 TraceCheckUtils]: 28: Hoare triple {9952#false} assume !false; {9952#false} is VALID [2022-02-20 23:48:27,232 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 23:48:27,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:27,261 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_410 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) is different from false [2022-02-20 23:48:27,297 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_410) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) is different from false [2022-02-20 23:48:27,306 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_410 (Array Int Int))) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_410) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) is different from false [2022-02-20 23:48:27,335 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= 2 (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_405)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_410) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) is different from false [2022-02-20 23:48:27,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:27,503 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:27,504 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 23:48:27,521 INFO L356 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-02-20 23:48:27,522 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 29 [2022-02-20 23:48:27,531 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 23:48:27,544 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:27,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 23:48:27,647 INFO L290 TraceCheckUtils]: 28: Hoare triple {9952#false} assume !false; {9952#false} is VALID [2022-02-20 23:48:27,647 INFO L290 TraceCheckUtils]: 27: Hoare triple {9952#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {9952#false} is VALID [2022-02-20 23:48:27,647 INFO L290 TraceCheckUtils]: 26: Hoare triple {9952#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {9952#false} is VALID [2022-02-20 23:48:27,648 INFO L290 TraceCheckUtils]: 25: Hoare triple {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {9952#false} is VALID [2022-02-20 23:48:27,648 INFO L290 TraceCheckUtils]: 24: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {9961#(= 2 |ULTIMATE.start_main_#t~mem17#1|)} is VALID [2022-02-20 23:48:27,648 INFO L290 TraceCheckUtils]: 23: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:27,649 INFO L290 TraceCheckUtils]: 22: Hoare triple {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:27,649 INFO L290 TraceCheckUtils]: 21: Hoare triple {9959#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {9960#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)} is VALID [2022-02-20 23:48:27,650 INFO L290 TraceCheckUtils]: 20: Hoare triple {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {9959#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2)} is VALID [2022-02-20 23:48:27,651 WARN L290 TraceCheckUtils]: 19: Hoare triple {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is UNKNOWN [2022-02-20 23:48:27,652 INFO L290 TraceCheckUtils]: 18: Hoare triple {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is VALID [2022-02-20 23:48:27,652 INFO L290 TraceCheckUtils]: 17: Hoare triple {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is VALID [2022-02-20 23:48:27,653 INFO L290 TraceCheckUtils]: 16: Hoare triple {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} main_#t~short10#1 := main_~y~0#1 < 10; {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is VALID [2022-02-20 23:48:27,653 INFO L290 TraceCheckUtils]: 15: Hoare triple {10098#(forall ((v_ArrVal_410 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {10082#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is VALID [2022-02-20 23:48:27,654 INFO L290 TraceCheckUtils]: 14: Hoare triple {10102#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {10098#(forall ((v_ArrVal_410 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} is VALID [2022-02-20 23:48:27,654 INFO L290 TraceCheckUtils]: 13: Hoare triple {10106#(forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_405)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {10102#(forall ((v_ArrVal_410 (Array Int Int))) (= 2 (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|)))} is VALID [2022-02-20 23:48:27,655 INFO L290 TraceCheckUtils]: 12: Hoare triple {10106#(forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (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_405)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {10106#(forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (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_405)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} is VALID [2022-02-20 23:48:27,657 WARN L290 TraceCheckUtils]: 11: Hoare triple {10113#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_21| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_21|) 0)) (forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (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_405)) |v_ULTIMATE.start_main_~t~0#1.base_21| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))))} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {10106#(forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (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_405)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))} is UNKNOWN [2022-02-20 23:48:27,658 INFO L290 TraceCheckUtils]: 10: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {10113#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_21| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_21|) 0)) (forall ((v_ArrVal_405 Int) (v_ArrVal_410 (Array Int Int))) (= (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_405)) |v_ULTIMATE.start_main_~t~0#1.base_21| v_ArrVal_410) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 2))))} is VALID [2022-02-20 23:48:27,659 INFO L290 TraceCheckUtils]: 9: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,659 INFO L290 TraceCheckUtils]: 8: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,660 INFO L290 TraceCheckUtils]: 7: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1 := main_~y~0#1 < 10; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,660 INFO L290 TraceCheckUtils]: 6: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,661 INFO L290 TraceCheckUtils]: 4: Hoare triple {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 < 10; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,661 INFO L290 TraceCheckUtils]: 3: Hoare triple {9951#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; {10117#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:27,662 INFO L290 TraceCheckUtils]: 2: Hoare triple {9951#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {9951#true} is VALID [2022-02-20 23:48:27,662 INFO L290 TraceCheckUtils]: 1: Hoare triple {9951#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {9951#true} is VALID [2022-02-20 23:48:27,662 INFO L290 TraceCheckUtils]: 0: Hoare triple {9951#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {9951#true} is VALID [2022-02-20 23:48:27,662 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 23:48:27,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49091896] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:27,662 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:27,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 26 [2022-02-20 23:48:27,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640034369] [2022-02-20 23:48:27,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:27,663 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 29 [2022-02-20 23:48:27,664 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:27,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 23:48:27,726 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 23:48:27,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 23:48:27,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:27,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 23:48:27,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=367, Unknown=4, NotChecked=172, Total=650 [2022-02-20 23:48:27,727 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 23:48:28,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:28,991 INFO L93 Difference]: Finished difference Result 245 states and 275 transitions. [2022-02-20 23:48:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:48:28,992 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 29 [2022-02-20 23:48:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 23:48:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2022-02-20 23:48:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 23:48:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2022-02-20 23:48:28,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 248 transitions. [2022-02-20 23:48:29,209 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 248 edges. 248 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:29,213 INFO L225 Difference]: With dead ends: 245 [2022-02-20 23:48:29,213 INFO L226 Difference]: Without dead ends: 245 [2022-02-20 23:48:29,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=619, Unknown=4, NotChecked=228, Total=1056 [2022-02-20 23:48:29,214 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 380 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 844 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:29,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 538 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 545 Invalid, 0 Unknown, 844 Unchecked, 0.4s Time] [2022-02-20 23:48:29,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-02-20 23:48:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 119. [2022-02-20 23:48:29,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:29,217 INFO L82 GeneralOperation]: Start isEquivalent. First operand 245 states. Second operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:29,217 INFO L74 IsIncluded]: Start isIncluded. First operand 245 states. Second operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:29,217 INFO L87 Difference]: Start difference. First operand 245 states. Second operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:29,224 INFO L93 Difference]: Finished difference Result 245 states and 275 transitions. [2022-02-20 23:48:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 275 transitions. [2022-02-20 23:48:29,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:29,224 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:29,225 INFO L74 IsIncluded]: Start isIncluded. First operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 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 245 states. [2022-02-20 23:48:29,225 INFO L87 Difference]: Start difference. First operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 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 245 states. [2022-02-20 23:48:29,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:29,230 INFO L93 Difference]: Finished difference Result 245 states and 275 transitions. [2022-02-20 23:48:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 275 transitions. [2022-02-20 23:48:29,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:29,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:29,231 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:29,231 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2022-02-20 23:48:29,233 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 29 [2022-02-20 23:48:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:29,234 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2022-02-20 23:48:29,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 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 23:48:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2022-02-20 23:48:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:48:29,235 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:29,235 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:29,266 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 23:48:29,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 23:48:29,460 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:29,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:29,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1881278551, now seen corresponding path program 1 times [2022-02-20 23:48:29,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:29,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022232662] [2022-02-20 23:48:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:29,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {11019#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {11019#true} is VALID [2022-02-20 23:48:29,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {11019#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {11021#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:29,668 INFO L290 TraceCheckUtils]: 2: Hoare triple {11021#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {11021#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:29,669 INFO L290 TraceCheckUtils]: 3: Hoare triple {11021#(= |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; {11022#(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 23:48:29,669 INFO L290 TraceCheckUtils]: 4: Hoare triple {11022#(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 < 10; {11022#(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 23:48:29,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {11022#(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; {11022#(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 23:48:29,670 INFO L290 TraceCheckUtils]: 6: Hoare triple {11022#(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; {11022#(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 23:48:29,671 INFO L290 TraceCheckUtils]: 7: Hoare triple {11022#(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~short10#1 := main_~y~0#1 < 10; {11022#(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 23:48:29,671 INFO L290 TraceCheckUtils]: 8: Hoare triple {11022#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11022#(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 23:48:29,671 INFO L290 TraceCheckUtils]: 9: Hoare triple {11022#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {11022#(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 23:48:29,672 INFO L290 TraceCheckUtils]: 10: Hoare triple {11022#(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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {11023#(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 23:48:29,673 INFO L290 TraceCheckUtils]: 11: Hoare triple {11023#(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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {11024#(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))} is VALID [2022-02-20 23:48:29,673 INFO L290 TraceCheckUtils]: 12: Hoare triple {11024#(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))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {11024#(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))} is VALID [2022-02-20 23:48:29,674 INFO L290 TraceCheckUtils]: 13: Hoare triple {11024#(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))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {11025#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,674 INFO L290 TraceCheckUtils]: 14: Hoare triple {11025#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {11026#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,675 INFO L290 TraceCheckUtils]: 15: Hoare triple {11026#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,675 INFO L290 TraceCheckUtils]: 16: Hoare triple {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,676 INFO L290 TraceCheckUtils]: 17: Hoare triple {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,676 INFO L290 TraceCheckUtils]: 18: Hoare triple {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,677 INFO L290 TraceCheckUtils]: 19: Hoare triple {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,678 INFO L290 TraceCheckUtils]: 20: Hoare triple {11027#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {11028#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} is VALID [2022-02-20 23:48:29,678 INFO L290 TraceCheckUtils]: 21: Hoare triple {11028#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,679 INFO L290 TraceCheckUtils]: 22: Hoare triple {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,679 INFO L290 TraceCheckUtils]: 23: Hoare triple {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,679 INFO L290 TraceCheckUtils]: 24: Hoare triple {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,680 INFO L290 TraceCheckUtils]: 25: Hoare triple {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:29,680 INFO L290 TraceCheckUtils]: 26: Hoare triple {11029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {11030#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} is VALID [2022-02-20 23:48:29,681 INFO L290 TraceCheckUtils]: 27: Hoare triple {11030#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11031#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:29,681 INFO L290 TraceCheckUtils]: 28: Hoare triple {11031#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {11020#false} is VALID [2022-02-20 23:48:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:29,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:29,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022232662] [2022-02-20 23:48:29,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022232662] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:29,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103548740] [2022-02-20 23:48:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:29,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:29,683 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 23:48:29,683 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 23:48:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:29,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:48:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:29,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:29,917 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:48:29,917 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 23:48:30,013 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 23:48:30,195 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:30,195 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 23:48:30,222 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:30,223 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 23:48:30,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:48:30,461 INFO L290 TraceCheckUtils]: 0: Hoare triple {11019#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {11019#true} is VALID [2022-02-20 23:48:30,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {11019#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:30,462 INFO L290 TraceCheckUtils]: 2: Hoare triple {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:30,462 INFO L290 TraceCheckUtils]: 3: Hoare triple {11038#(<= |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; {11045#(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 23:48:30,463 INFO L290 TraceCheckUtils]: 4: Hoare triple {11045#(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 < 10; {11045#(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 23:48:30,466 INFO L290 TraceCheckUtils]: 5: Hoare triple {11045#(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; {11045#(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 23:48:30,467 INFO L290 TraceCheckUtils]: 6: Hoare triple {11045#(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; {11045#(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 23:48:30,467 INFO L290 TraceCheckUtils]: 7: Hoare triple {11045#(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~short10#1 := main_~y~0#1 < 10; {11045#(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 23:48:30,468 INFO L290 TraceCheckUtils]: 8: Hoare triple {11045#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11045#(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 23:48:30,468 INFO L290 TraceCheckUtils]: 9: Hoare triple {11045#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {11045#(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 23:48:30,469 INFO L290 TraceCheckUtils]: 10: Hoare triple {11045#(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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {11023#(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 23:48:30,470 INFO L290 TraceCheckUtils]: 11: Hoare triple {11023#(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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {11070#(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 23:48:30,470 INFO L290 TraceCheckUtils]: 12: Hoare triple {11070#(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); {11070#(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 23:48:30,471 INFO L290 TraceCheckUtils]: 13: Hoare triple {11070#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {11077#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,472 INFO L290 TraceCheckUtils]: 14: Hoare triple {11077#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {11081#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= |ULTIMATE.start_main_#t~mem13#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,472 INFO L290 TraceCheckUtils]: 15: Hoare triple {11081#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= |ULTIMATE.start_main_#t~mem13#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,476 INFO L290 TraceCheckUtils]: 16: Hoare triple {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,476 INFO L290 TraceCheckUtils]: 17: Hoare triple {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,477 INFO L290 TraceCheckUtils]: 18: Hoare triple {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,478 INFO L290 TraceCheckUtils]: 19: Hoare triple {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,479 INFO L290 TraceCheckUtils]: 20: Hoare triple {11085#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {11101#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,480 INFO L290 TraceCheckUtils]: 21: Hoare triple {11101#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,480 INFO L290 TraceCheckUtils]: 22: Hoare triple {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,481 INFO L290 TraceCheckUtils]: 23: Hoare triple {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,481 INFO L290 TraceCheckUtils]: 24: Hoare triple {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,482 INFO L290 TraceCheckUtils]: 25: Hoare triple {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,483 INFO L290 TraceCheckUtils]: 26: Hoare triple {11105#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {11121#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_#t~mem19#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))))} is VALID [2022-02-20 23:48:30,484 INFO L290 TraceCheckUtils]: 27: Hoare triple {11121#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (exists ((|ULTIMATE.start_main_~p~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_#t~mem19#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11125#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_81| Int)) (and (not (= |v_ULTIMATE.start_main_~p~0#1.base_81| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_81|) 1))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} is VALID [2022-02-20 23:48:30,484 INFO L290 TraceCheckUtils]: 28: Hoare triple {11125#(and (exists ((|v_ULTIMATE.start_main_~p~0#1.base_81| Int)) (and (not (= |v_ULTIMATE.start_main_~p~0#1.base_81| |ULTIMATE.start_main_~p~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_main_~p~0#1.base_81|) 1))) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1))} assume !(1 == #valid[main_~p~0#1.base]); {11020#false} is VALID [2022-02-20 23:48:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:30,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:30,543 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_471 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) 1)) is different from false [2022-02-20 23:48:30,573 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_471 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_471) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) 1)) is different from false [2022-02-20 23:48:30,609 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:30,610 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 23:48:30,621 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:30,622 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 23:48:30,627 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 23:48:31,115 INFO L356 Elim1Store]: treesize reduction 18, result has 63.3 percent of original size [2022-02-20 23:48:31,116 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 23:48:31,500 INFO L290 TraceCheckUtils]: 28: Hoare triple {11031#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} assume !(1 == #valid[main_~p~0#1.base]); {11020#false} is VALID [2022-02-20 23:48:31,501 INFO L290 TraceCheckUtils]: 27: Hoare triple {11030#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11031#(= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)} is VALID [2022-02-20 23:48:31,502 INFO L290 TraceCheckUtils]: 26: Hoare triple {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {11030#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} is VALID [2022-02-20 23:48:31,502 INFO L290 TraceCheckUtils]: 25: Hoare triple {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,502 INFO L290 TraceCheckUtils]: 24: Hoare triple {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,502 INFO L290 TraceCheckUtils]: 23: Hoare triple {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,503 INFO L290 TraceCheckUtils]: 22: Hoare triple {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,503 INFO L290 TraceCheckUtils]: 21: Hoare triple {11151#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {11135#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,504 INFO L290 TraceCheckUtils]: 20: Hoare triple {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {11151#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:48:31,506 WARN L290 TraceCheckUtils]: 19: Hoare triple {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is UNKNOWN [2022-02-20 23:48:31,506 INFO L290 TraceCheckUtils]: 18: Hoare triple {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,507 INFO L290 TraceCheckUtils]: 17: Hoare triple {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,507 INFO L290 TraceCheckUtils]: 16: Hoare triple {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,507 INFO L290 TraceCheckUtils]: 15: Hoare triple {11171#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {11155#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,508 INFO L290 TraceCheckUtils]: 14: Hoare triple {11175#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {11171#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,509 INFO L290 TraceCheckUtils]: 13: Hoare triple {11179#(or (forall ((v_arrayElimCell_59 Int)) (or (and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_59)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (= (select |#valid| v_arrayElimCell_59) 1)))) (forall ((v_arrayElimCell_61 Int)) (= (select |#valid| v_arrayElimCell_61) 1)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {11175#(forall ((v_ArrVal_471 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_471) |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:48:31,511 INFO L290 TraceCheckUtils]: 12: Hoare triple {11179#(or (forall ((v_arrayElimCell_59 Int)) (or (and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_59)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (= (select |#valid| v_arrayElimCell_59) 1)))) (forall ((v_arrayElimCell_61 Int)) (= (select |#valid| v_arrayElimCell_61) 1)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {11179#(or (forall ((v_arrayElimCell_59 Int)) (or (and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_59)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (= (select |#valid| v_arrayElimCell_59) 1)))) (forall ((v_arrayElimCell_61 Int)) (= (select |#valid| v_arrayElimCell_61) 1)))} is VALID [2022-02-20 23:48:31,514 INFO L290 TraceCheckUtils]: 11: Hoare triple {11186#(forall ((v_arrayElimCell_61 Int) (|v_ULTIMATE.start_main_~t~0#1.base_23| Int) (v_arrayElimCell_59 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23| 1) v_arrayElimCell_61) 1) (and (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| v_arrayElimCell_59)) (= |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|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23| 1) v_arrayElimCell_59) 1) (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| |ULTIMATE.start_main_~a~0#1.base|)))))} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {11179#(or (forall ((v_arrayElimCell_59 Int)) (or (and (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (not (= |ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_59)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (and (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (= (select |#valid| v_arrayElimCell_59) 1)))) (forall ((v_arrayElimCell_61 Int)) (= (select |#valid| v_arrayElimCell_61) 1)))} is VALID [2022-02-20 23:48:31,515 INFO L290 TraceCheckUtils]: 10: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {11186#(forall ((v_arrayElimCell_61 Int) (|v_ULTIMATE.start_main_~t~0#1.base_23| Int) (v_arrayElimCell_59 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23| 1) v_arrayElimCell_61) 1) (and (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| v_arrayElimCell_59)) (= |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|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_~t~0#1.base_23| 1) v_arrayElimCell_59) 1) (not (= |v_ULTIMATE.start_main_~t~0#1.base_23| |ULTIMATE.start_main_~a~0#1.base|)))))} is VALID [2022-02-20 23:48:31,516 INFO L290 TraceCheckUtils]: 9: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,516 INFO L290 TraceCheckUtils]: 8: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,517 INFO L290 TraceCheckUtils]: 7: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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~short10#1 := main_~y~0#1 < 10; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,517 INFO L290 TraceCheckUtils]: 6: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,518 INFO L290 TraceCheckUtils]: 5: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,518 INFO L290 TraceCheckUtils]: 4: Hoare triple {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 < 10; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,519 INFO L290 TraceCheckUtils]: 3: Hoare triple {11038#(<= |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; {11190#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:31,519 INFO L290 TraceCheckUtils]: 2: Hoare triple {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:31,519 INFO L290 TraceCheckUtils]: 1: Hoare triple {11019#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {11038#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:31,519 INFO L290 TraceCheckUtils]: 0: Hoare triple {11019#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {11019#true} is VALID [2022-02-20 23:48:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-02-20 23:48:31,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103548740] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:31,520 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:31,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2022-02-20 23:48:31,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333042230] [2022-02-20 23:48:31,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:31,521 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:31,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:31,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:31,633 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 80 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:31,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-20 23:48:31,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:31,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-20 23:48:31,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=8, NotChecked=110, Total=930 [2022-02-20 23:48:31,634 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:33,601 INFO L93 Difference]: Finished difference Result 245 states and 276 transitions. [2022-02-20 23:48:33,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 23:48:33,601 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 256 transitions. [2022-02-20 23:48:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 256 transitions. [2022-02-20 23:48:33,605 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 256 transitions. [2022-02-20 23:48:33,837 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:33,840 INFO L225 Difference]: With dead ends: 245 [2022-02-20 23:48:33,840 INFO L226 Difference]: Without dead ends: 245 [2022-02-20 23:48:33,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 40 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=300, Invalid=1106, Unknown=8, NotChecked=146, Total=1560 [2022-02-20 23:48:33,841 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 478 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 628 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:33,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 726 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 837 Invalid, 0 Unknown, 628 Unchecked, 0.6s Time] [2022-02-20 23:48:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-02-20 23:48:33,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 122. [2022-02-20 23:48:33,844 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:33,845 INFO L82 GeneralOperation]: Start isEquivalent. First operand 245 states. Second operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,845 INFO L74 IsIncluded]: Start isIncluded. First operand 245 states. Second operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,845 INFO L87 Difference]: Start difference. First operand 245 states. Second operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:33,854 INFO L93 Difference]: Finished difference Result 245 states and 276 transitions. [2022-02-20 23:48:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2022-02-20 23:48:33,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:33,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:33,855 INFO L74 IsIncluded]: Start isIncluded. First operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 245 states. [2022-02-20 23:48:33,855 INFO L87 Difference]: Start difference. First operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 245 states. [2022-02-20 23:48:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:33,859 INFO L93 Difference]: Finished difference Result 245 states and 276 transitions. [2022-02-20 23:48:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2022-02-20 23:48:33,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:33,860 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:33,860 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:33,860 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 121 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2022-02-20 23:48:33,862 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 29 [2022-02-20 23:48:33,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:33,863 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2022-02-20 23:48:33,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.7) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2022-02-20 23:48:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:48:33,864 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:33,864 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:33,891 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 23:48:34,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-20 23:48:34,068 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:34,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1881278552, now seen corresponding path program 1 times [2022-02-20 23:48:34,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:34,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145544930] [2022-02-20 23:48:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:34,325 INFO L290 TraceCheckUtils]: 0: Hoare triple {12103#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12103#true} is VALID [2022-02-20 23:48:34,325 INFO L290 TraceCheckUtils]: 1: Hoare triple {12103#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12105#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:34,325 INFO L290 TraceCheckUtils]: 2: Hoare triple {12105#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12105#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:34,326 INFO L290 TraceCheckUtils]: 3: Hoare triple {12105#(= |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; {12106#(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 23:48:34,327 INFO L290 TraceCheckUtils]: 4: Hoare triple {12106#(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 < 10; {12106#(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 23:48:34,327 INFO L290 TraceCheckUtils]: 5: Hoare triple {12106#(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; {12106#(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 23:48:34,328 INFO L290 TraceCheckUtils]: 6: Hoare triple {12106#(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; {12106#(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 23:48:34,328 INFO L290 TraceCheckUtils]: 7: Hoare triple {12106#(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~short10#1 := main_~y~0#1 < 10; {12106#(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 23:48:34,329 INFO L290 TraceCheckUtils]: 8: Hoare triple {12106#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12106#(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 23:48:34,329 INFO L290 TraceCheckUtils]: 9: Hoare triple {12106#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {12106#(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 23:48:34,330 INFO L290 TraceCheckUtils]: 10: Hoare triple {12106#(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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {12107#(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 23:48:34,331 INFO L290 TraceCheckUtils]: 11: Hoare triple {12107#(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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {12108#(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 23:48:34,332 INFO L290 TraceCheckUtils]: 12: Hoare triple {12108#(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); {12108#(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 23:48:34,333 INFO L290 TraceCheckUtils]: 13: Hoare triple {12108#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {12109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,334 INFO L290 TraceCheckUtils]: 14: Hoare triple {12109#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {12110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,334 INFO L290 TraceCheckUtils]: 15: Hoare triple {12110#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (not (= |ULTIMATE.start_main_#t~mem13#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,335 INFO L290 TraceCheckUtils]: 16: Hoare triple {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_#t~short10#1 := main_~y~0#1 < 10; {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,335 INFO L290 TraceCheckUtils]: 17: Hoare triple {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,336 INFO L290 TraceCheckUtils]: 18: Hoare triple {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,337 INFO L290 TraceCheckUtils]: 19: Hoare triple {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,338 INFO L290 TraceCheckUtils]: 20: Hoare triple {12111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (= 8 (select |#length| (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} is VALID [2022-02-20 23:48:34,339 INFO L290 TraceCheckUtils]: 21: Hoare triple {12112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) 0))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,339 INFO L290 TraceCheckUtils]: 22: Hoare triple {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,340 INFO L290 TraceCheckUtils]: 23: Hoare triple {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,340 INFO L290 TraceCheckUtils]: 24: Hoare triple {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,341 INFO L290 TraceCheckUtils]: 25: Hoare triple {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:34,342 INFO L290 TraceCheckUtils]: 26: Hoare triple {12113#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 8) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {12114#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} is VALID [2022-02-20 23:48:34,342 INFO L290 TraceCheckUtils]: 27: Hoare triple {12114#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12115#(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 23:48:34,343 INFO L290 TraceCheckUtils]: 28: Hoare triple {12115#(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); {12104#false} is VALID [2022-02-20 23:48:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:34,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:34,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145544930] [2022-02-20 23:48:34,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145544930] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:34,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766612148] [2022-02-20 23:48:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:34,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:34,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:34,348 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 23:48:34,371 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 23:48:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:34,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 23:48:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:34,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:34,615 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:34,615 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 23:48:34,630 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 23:48:34,705 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 23:48:34,714 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 23:48:34,893 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:48:34,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 23:48:34,910 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:34,910 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 23:48:34,952 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:34,953 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 23:48:34,957 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 23:48:35,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:35,228 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 23:48:35,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:35,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-02-20 23:48:35,359 INFO L290 TraceCheckUtils]: 0: Hoare triple {12103#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12103#true} is VALID [2022-02-20 23:48:35,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {12103#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:35,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:35,360 INFO L290 TraceCheckUtils]: 3: Hoare triple {12122#(<= |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; {12129#(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 23:48:35,361 INFO L290 TraceCheckUtils]: 4: Hoare triple {12129#(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 < 10; {12129#(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 23:48:35,362 INFO L290 TraceCheckUtils]: 5: Hoare triple {12129#(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; {12129#(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 23:48:35,362 INFO L290 TraceCheckUtils]: 6: Hoare triple {12129#(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; {12129#(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 23:48:35,363 INFO L290 TraceCheckUtils]: 7: Hoare triple {12129#(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~short10#1 := main_~y~0#1 < 10; {12129#(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 23:48:35,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {12129#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12129#(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 23:48:35,364 INFO L290 TraceCheckUtils]: 9: Hoare triple {12129#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {12129#(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 23:48:35,365 INFO L290 TraceCheckUtils]: 10: Hoare triple {12129#(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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {12107#(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 23:48:35,366 INFO L290 TraceCheckUtils]: 11: Hoare triple {12107#(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~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {12154#(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 23:48:35,366 INFO L290 TraceCheckUtils]: 12: Hoare triple {12154#(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); {12154#(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 23:48:35,367 INFO L290 TraceCheckUtils]: 13: Hoare triple {12154#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {12161#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:35,368 INFO L290 TraceCheckUtils]: 14: Hoare triple {12161#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {12165#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= |ULTIMATE.start_main_#t~mem13#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)))} is VALID [2022-02-20 23:48:35,369 INFO L290 TraceCheckUtils]: 15: Hoare triple {12165#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))) (= |ULTIMATE.start_main_#t~mem13#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,370 INFO L290 TraceCheckUtils]: 16: Hoare triple {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_#t~short10#1 := main_~y~0#1 < 10; {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,370 INFO L290 TraceCheckUtils]: 17: Hoare triple {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,371 INFO L290 TraceCheckUtils]: 18: Hoare triple {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,372 INFO L290 TraceCheckUtils]: 19: Hoare triple {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,373 INFO L290 TraceCheckUtils]: 20: Hoare triple {12169#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12185#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} is VALID [2022-02-20 23:48:35,374 INFO L290 TraceCheckUtils]: 21: Hoare triple {12185#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~a~0#1.base|) 4))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {12189#(and (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,375 INFO L290 TraceCheckUtils]: 22: Hoare triple {12189#(and (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,375 INFO L290 TraceCheckUtils]: 23: Hoare triple {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,376 INFO L290 TraceCheckUtils]: 24: Hoare triple {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,377 INFO L290 TraceCheckUtils]: 25: Hoare triple {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,378 INFO L290 TraceCheckUtils]: 26: Hoare triple {12193#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 8 (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {12206#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} is VALID [2022-02-20 23:48:35,378 INFO L290 TraceCheckUtils]: 27: Hoare triple {12206#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12210#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:35,379 INFO L290 TraceCheckUtils]: 28: Hoare triple {12210#(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); {12104#false} is VALID [2022-02-20 23:48:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:35,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:36,807 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:36,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 59 [2022-02-20 23:48:36,824 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:36,825 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 23:48:36,849 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:36,850 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 23:48:36,900 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:36,900 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 23:48:36,948 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 23:48:36,971 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 23:48:36,992 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 23:48:37,490 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:37,490 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 23:48:37,774 INFO L290 TraceCheckUtils]: 28: Hoare triple {12214#(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); {12104#false} is VALID [2022-02-20 23:48:37,774 INFO L290 TraceCheckUtils]: 27: Hoare triple {12218#(and (<= (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (<= 0 |ULTIMATE.start_main_#t~mem19#1.offset|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12214#(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 23:48:37,775 INFO L290 TraceCheckUtils]: 26: Hoare triple {12222#(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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L565 {12218#(and (<= (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (<= 0 |ULTIMATE.start_main_#t~mem19#1.offset|))} is VALID [2022-02-20 23:48:37,775 INFO L290 TraceCheckUtils]: 25: Hoare triple {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} assume !!(2 == main_#t~mem17#1);havoc main_#t~mem17#1;main_#t~post18#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:37,776 INFO L290 TraceCheckUtils]: 24: Hoare triple {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:37,776 INFO L290 TraceCheckUtils]: 23: Hoare triple {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:37,777 INFO L290 TraceCheckUtils]: 22: Hoare triple {12235#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12222#(and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))} is VALID [2022-02-20 23:48:37,778 INFO L290 TraceCheckUtils]: 21: Hoare triple {12239#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {12235#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))))} is VALID [2022-02-20 23:48:37,780 INFO L290 TraceCheckUtils]: 20: Hoare triple {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12239#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))))} is VALID [2022-02-20 23:48:37,787 WARN L290 TraceCheckUtils]: 19: Hoare triple {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is UNKNOWN [2022-02-20 23:48:37,788 INFO L290 TraceCheckUtils]: 18: Hoare triple {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,788 INFO L290 TraceCheckUtils]: 17: Hoare triple {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,789 INFO L290 TraceCheckUtils]: 16: Hoare triple {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} main_#t~short10#1 := main_~y~0#1 < 10; {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,790 INFO L290 TraceCheckUtils]: 15: Hoare triple {12259#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (and (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {12243#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (and (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))) (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,792 INFO L290 TraceCheckUtils]: 14: Hoare triple {12263#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (and (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} SUMMARY for call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L551 {12259#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (and (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem13#1.base| v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,793 INFO L290 TraceCheckUtils]: 13: Hoare triple {12267#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~a~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~t~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~t~0#1.base|))) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= 0 |ULTIMATE.start_main_~t~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L550-3 {12263#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_69| Int)) (or (and (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_535) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (forall ((v_ArrVal_536 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_536) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_69| 4))))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_69| |ULTIMATE.start_main_~a~0#1.offset|))))} is VALID [2022-02-20 23:48:37,794 INFO L290 TraceCheckUtils]: 12: Hoare triple {12267#(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); {12267#(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 23:48:37,795 INFO L290 TraceCheckUtils]: 11: Hoare triple {12274#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_26| 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 (= |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))) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_26|) 0))))} call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset; {12267#(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 23:48:37,796 INFO L290 TraceCheckUtils]: 10: Hoare triple {12278#(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(2, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L548 {12274#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_26| 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 (= |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))) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_26|) 0))))} is VALID [2022-02-20 23:48:37,797 INFO L290 TraceCheckUtils]: 9: Hoare triple {12278#(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~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1;main_#t~post11#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; {12278#(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 23:48:37,797 INFO L290 TraceCheckUtils]: 8: Hoare triple {12278#(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~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12278#(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 23:48:37,798 INFO L290 TraceCheckUtils]: 7: Hoare triple {12278#(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~short10#1 := main_~y~0#1 < 10; {12278#(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 23:48:37,798 INFO L290 TraceCheckUtils]: 6: Hoare triple {12278#(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; {12278#(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 23:48:37,799 INFO L290 TraceCheckUtils]: 5: Hoare triple {12278#(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; {12278#(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 23:48:37,799 INFO L290 TraceCheckUtils]: 4: Hoare triple {12278#(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 < 10; {12278#(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 23:48:37,800 INFO L290 TraceCheckUtils]: 3: Hoare triple {12122#(<= |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; {12278#(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 23:48:37,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:37,801 INFO L290 TraceCheckUtils]: 1: Hoare triple {12103#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12122#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:37,801 INFO L290 TraceCheckUtils]: 0: Hoare triple {12103#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12103#true} is VALID [2022-02-20 23:48:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:37,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766612148] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:37,801 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:37,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 34 [2022-02-20 23:48:37,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576290562] [2022-02-20 23:48:37,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:37,803 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:37,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:37,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:37,885 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 82 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:37,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-20 23:48:37,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:37,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-20 23:48:37,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1017, Unknown=12, NotChecked=0, Total=1190 [2022-02-20 23:48:37,886 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:39,610 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2022-02-20 23:48:39,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 23:48:39,611 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:39,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 159 transitions. [2022-02-20 23:48:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 159 transitions. [2022-02-20 23:48:39,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 159 transitions. [2022-02-20 23:48:39,734 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:39,735 INFO L225 Difference]: With dead ends: 151 [2022-02-20 23:48:39,735 INFO L226 Difference]: Without dead ends: 151 [2022-02-20 23:48:39,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=398, Invalid=1942, Unknown=12, NotChecked=0, Total=2352 [2022-02-20 23:48:39,736 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 485 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 257 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:39,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 564 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 496 Invalid, 0 Unknown, 257 Unchecked, 0.5s Time] [2022-02-20 23:48:39,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-02-20 23:48:39,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 121. [2022-02-20 23:48:39,739 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:39,739 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,740 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,740 INFO L87 Difference]: Start difference. First operand 151 states. Second operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:39,742 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2022-02-20 23:48:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 172 transitions. [2022-02-20 23:48:39,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:39,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:39,743 INFO L74 IsIncluded]: Start isIncluded. First operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 151 states. [2022-02-20 23:48:39,743 INFO L87 Difference]: Start difference. First operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 151 states. [2022-02-20 23:48:39,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:39,745 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2022-02-20 23:48:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 172 transitions. [2022-02-20 23:48:39,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:39,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:39,746 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:39,746 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 106 states have (on average 1.320754716981132) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2022-02-20 23:48:39,748 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 29 [2022-02-20 23:48:39,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:39,749 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2022-02-20 23:48:39,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2022-02-20 23:48:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:48:39,749 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:39,750 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:39,774 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 23:48:39,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:39,974 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:39,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2114552260, now seen corresponding path program 1 times [2022-02-20 23:48:39,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:39,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601539277] [2022-02-20 23:48:39,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:39,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:40,125 INFO L290 TraceCheckUtils]: 0: Hoare triple {12917#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12917#true} is VALID [2022-02-20 23:48:40,125 INFO L290 TraceCheckUtils]: 1: Hoare triple {12917#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12917#true} is VALID [2022-02-20 23:48:40,125 INFO L290 TraceCheckUtils]: 2: Hoare triple {12917#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12917#true} is VALID [2022-02-20 23:48:40,125 INFO L290 TraceCheckUtils]: 3: Hoare triple {12917#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; {12919#(and (= |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 23:48:40,126 INFO L290 TraceCheckUtils]: 4: Hoare triple {12919#(and (= |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 < 10; {12919#(and (= |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 23:48:40,127 INFO L290 TraceCheckUtils]: 5: Hoare triple {12919#(and (= |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; {12919#(and (= |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 23:48:40,127 INFO L290 TraceCheckUtils]: 6: Hoare triple {12919#(and (= |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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {12919#(and (= |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 23:48:40,128 INFO L290 TraceCheckUtils]: 7: Hoare triple {12919#(and (= |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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {12920#(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|) 1) (= |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 23:48:40,129 INFO L290 TraceCheckUtils]: 8: Hoare triple {12920#(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|) 1) (= |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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {12921#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,130 INFO L290 TraceCheckUtils]: 9: Hoare triple {12921#(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|) 1) (= |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); {12921#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,131 INFO L290 TraceCheckUtils]: 10: Hoare triple {12921#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {12922#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,132 INFO L290 TraceCheckUtils]: 11: Hoare triple {12922#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {12923#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-20 23:48:40,132 INFO L290 TraceCheckUtils]: 12: Hoare triple {12923#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,133 INFO L290 TraceCheckUtils]: 13: Hoare triple {12924#(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|) 1))} main_#t~short5#1 := main_~i~0#1 < 10; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,133 INFO L290 TraceCheckUtils]: 14: Hoare triple {12924#(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|) 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; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,134 INFO L290 TraceCheckUtils]: 15: Hoare triple {12924#(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|) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,135 INFO L290 TraceCheckUtils]: 16: Hoare triple {12924#(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|) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,135 INFO L290 TraceCheckUtils]: 17: Hoare triple {12924#(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|) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,136 INFO L290 TraceCheckUtils]: 18: Hoare triple {12924#(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|) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,137 INFO L290 TraceCheckUtils]: 19: Hoare triple {12924#(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|) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {12924#(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|) 1))} is VALID [2022-02-20 23:48:40,138 INFO L290 TraceCheckUtils]: 20: Hoare triple {12924#(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|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12925#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)} is VALID [2022-02-20 23:48:40,138 INFO L290 TraceCheckUtils]: 21: Hoare triple {12925#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {12926#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)} is VALID [2022-02-20 23:48:40,139 INFO L290 TraceCheckUtils]: 22: Hoare triple {12926#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} is VALID [2022-02-20 23:48:40,139 INFO L290 TraceCheckUtils]: 23: Hoare triple {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12918#false} is VALID [2022-02-20 23:48:40,140 INFO L290 TraceCheckUtils]: 24: Hoare triple {12918#false} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12918#false} is VALID [2022-02-20 23:48:40,140 INFO L290 TraceCheckUtils]: 25: Hoare triple {12918#false} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {12918#false} is VALID [2022-02-20 23:48:40,140 INFO L290 TraceCheckUtils]: 26: Hoare triple {12918#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {12918#false} is VALID [2022-02-20 23:48:40,140 INFO L290 TraceCheckUtils]: 27: Hoare triple {12918#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {12918#false} is VALID [2022-02-20 23:48:40,140 INFO L290 TraceCheckUtils]: 28: Hoare triple {12918#false} assume !false; {12918#false} is VALID [2022-02-20 23:48:40,141 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 23:48:40,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:40,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601539277] [2022-02-20 23:48:40,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601539277] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:40,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553367172] [2022-02-20 23:48:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:40,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:40,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:40,143 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 23:48:40,144 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 23:48:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:40,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-20 23:48:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:40,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:40,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 23:48:40,353 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:40,354 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 23:48:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:40,421 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 23:48:40,431 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 23:48:40,464 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 23:48:40,570 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 23:48:40,606 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 23:48:40,662 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 23:48:40,671 INFO L290 TraceCheckUtils]: 0: Hoare triple {12917#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12917#true} is VALID [2022-02-20 23:48:40,671 INFO L290 TraceCheckUtils]: 1: Hoare triple {12917#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12934#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:40,672 INFO L290 TraceCheckUtils]: 2: Hoare triple {12934#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12934#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:40,672 INFO L290 TraceCheckUtils]: 3: Hoare triple {12934#(= |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; {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:40,672 INFO L290 TraceCheckUtils]: 4: Hoare triple {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 < 10; {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:40,675 INFO L290 TraceCheckUtils]: 5: Hoare triple {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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; {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:40,676 INFO L290 TraceCheckUtils]: 6: Hoare triple {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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 23:48:40,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {12941#(and (= |ULTIMATE.start_main_~a~0#1.offset| 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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {12954#(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|) 1) (= |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 23:48:40,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {12954#(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|) 1) (= |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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {12958#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,678 INFO L290 TraceCheckUtils]: 9: Hoare triple {12958#(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|) 1) (= |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); {12958#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {12958#(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|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {12965#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} is VALID [2022-02-20 23:48:40,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {12965#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {12969#(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|) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-20 23:48:40,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {12969#(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|) 1) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,681 INFO L290 TraceCheckUtils]: 13: Hoare triple {12973#(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|) 1))} main_#t~short5#1 := main_~i~0#1 < 10; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,682 INFO L290 TraceCheckUtils]: 14: Hoare triple {12973#(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|) 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; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {12973#(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|) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,683 INFO L290 TraceCheckUtils]: 16: Hoare triple {12973#(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|) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,684 INFO L290 TraceCheckUtils]: 17: Hoare triple {12973#(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|) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,684 INFO L290 TraceCheckUtils]: 18: Hoare triple {12973#(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|) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,685 INFO L290 TraceCheckUtils]: 19: Hoare triple {12973#(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|) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {12973#(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|) 1))} is VALID [2022-02-20 23:48:40,686 INFO L290 TraceCheckUtils]: 20: Hoare triple {12973#(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|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12998#(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|) 1))} is VALID [2022-02-20 23:48:40,687 INFO L290 TraceCheckUtils]: 21: Hoare triple {12998#(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|) 1))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {13002#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:40,687 INFO L290 TraceCheckUtils]: 22: Hoare triple {13002#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) 0) 1) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 23: Hoare triple {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12918#false} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 24: Hoare triple {12918#false} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12918#false} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 25: Hoare triple {12918#false} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {12918#false} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 26: Hoare triple {12918#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {12918#false} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 27: Hoare triple {12918#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {12918#false} is VALID [2022-02-20 23:48:40,688 INFO L290 TraceCheckUtils]: 28: Hoare triple {12918#false} assume !false; {12918#false} is VALID [2022-02-20 23:48:40,689 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 23:48:40,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:40,722 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-02-20 23:48:40,764 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_600) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-02-20 23:48:40,772 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_600) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-02-20 23:48:40,801 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_600) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-02-20 23:48:40,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:40,947 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:40,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 23:48:40,964 INFO L356 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-02-20 23:48:40,965 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 29 [2022-02-20 23:48:40,973 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 23:48:40,987 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:40,987 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 23:48:41,073 INFO L290 TraceCheckUtils]: 28: Hoare triple {12918#false} assume !false; {12918#false} is VALID [2022-02-20 23:48:41,073 INFO L290 TraceCheckUtils]: 27: Hoare triple {12918#false} assume 3 != main_#t~mem20#1 || main_~i~0#1 + main_~y~0#1 > 20;havoc main_#t~mem20#1; {12918#false} is VALID [2022-02-20 23:48:41,073 INFO L290 TraceCheckUtils]: 26: Hoare triple {12918#false} SUMMARY for call main_#t~mem20#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-3 {12918#false} is VALID [2022-02-20 23:48:41,073 INFO L290 TraceCheckUtils]: 25: Hoare triple {12918#false} assume !(2 == main_#t~mem17#1);havoc main_#t~mem17#1; {12918#false} is VALID [2022-02-20 23:48:41,073 INFO L290 TraceCheckUtils]: 24: Hoare triple {12918#false} SUMMARY for call main_#t~mem17#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L563-2 {12918#false} is VALID [2022-02-20 23:48:41,073 INFO L290 TraceCheckUtils]: 23: Hoare triple {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} assume !(1 == main_#t~mem14#1);havoc main_#t~mem14#1; {12918#false} is VALID [2022-02-20 23:48:41,074 INFO L290 TraceCheckUtils]: 22: Hoare triple {12926#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {12927#(= |ULTIMATE.start_main_#t~mem14#1| 1)} is VALID [2022-02-20 23:48:41,074 INFO L290 TraceCheckUtils]: 21: Hoare triple {12925#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {12926#(= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)} is VALID [2022-02-20 23:48:41,075 INFO L290 TraceCheckUtils]: 20: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {12925#(= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1)} is VALID [2022-02-20 23:48:41,077 WARN L290 TraceCheckUtils]: 19: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is UNKNOWN [2022-02-20 23:48:41,077 INFO L290 TraceCheckUtils]: 18: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,077 INFO L290 TraceCheckUtils]: 17: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,077 INFO L290 TraceCheckUtils]: 16: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} main_#t~short10#1 := main_~y~0#1 < 10; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,078 INFO L290 TraceCheckUtils]: 15: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,078 INFO L290 TraceCheckUtils]: 14: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 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; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,078 INFO L290 TraceCheckUtils]: 13: Hoare triple {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} main_#t~short5#1 := main_~i~0#1 < 10; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,079 INFO L290 TraceCheckUtils]: 12: Hoare triple {13073#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {13048#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,079 INFO L290 TraceCheckUtils]: 11: Hoare triple {13077#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {13073#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,080 INFO L290 TraceCheckUtils]: 10: Hoare triple {13081#(forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_597)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {13077#(forall ((v_ArrVal_600 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,081 INFO L290 TraceCheckUtils]: 9: Hoare triple {13081#(forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {13081#(forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is VALID [2022-02-20 23:48:41,083 WARN L290 TraceCheckUtils]: 8: Hoare triple {13088#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_29| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_29|) 0)) (forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |v_ULTIMATE.start_main_~t~0#1.base_29| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))))} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {13081#(forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))} is UNKNOWN [2022-02-20 23:48:41,084 INFO L290 TraceCheckUtils]: 7: Hoare triple {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {13088#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_29| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_29|) 0)) (forall ((v_ArrVal_600 (Array Int Int)) (v_ArrVal_597 Int)) (= (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_597)) |v_ULTIMATE.start_main_~t~0#1.base_29| v_ArrVal_600) |ULTIMATE.start_main_~a~0#1.base|) |ULTIMATE.start_main_~a~0#1.offset|) 1))))} is VALID [2022-02-20 23:48:41,084 INFO L290 TraceCheckUtils]: 6: Hoare triple {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:41,085 INFO L290 TraceCheckUtils]: 5: Hoare triple {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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; {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:41,086 INFO L290 TraceCheckUtils]: 4: Hoare triple {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 < 10; {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:41,086 INFO L290 TraceCheckUtils]: 3: Hoare triple {12917#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; {13092#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (and (= |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 23:48:41,086 INFO L290 TraceCheckUtils]: 2: Hoare triple {12917#true} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {12917#true} is VALID [2022-02-20 23:48:41,086 INFO L290 TraceCheckUtils]: 1: Hoare triple {12917#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {12917#true} is VALID [2022-02-20 23:48:41,086 INFO L290 TraceCheckUtils]: 0: Hoare triple {12917#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {12917#true} is VALID [2022-02-20 23:48:41,086 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 23:48:41,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553367172] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:41,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:41,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 26 [2022-02-20 23:48:41,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251244041] [2022-02-20 23:48:41,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:41,087 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:41,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:41,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:41,142 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 66 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:41,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 23:48:41,143 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 23:48:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=367, Unknown=4, NotChecked=172, Total=650 [2022-02-20 23:48:41,144 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:42,446 INFO L93 Difference]: Finished difference Result 268 states and 301 transitions. [2022-02-20 23:48:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:48:42,446 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:48:42,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 273 transitions. [2022-02-20 23:48:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 273 transitions. [2022-02-20 23:48:42,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 273 transitions. [2022-02-20 23:48:42,695 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:42,699 INFO L225 Difference]: With dead ends: 268 [2022-02-20 23:48:42,699 INFO L226 Difference]: Without dead ends: 268 [2022-02-20 23:48:42,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=585, Unknown=4, NotChecked=220, Total=992 [2022-02-20 23:48:42,700 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 363 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 837 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:42,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 697 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 578 Invalid, 0 Unknown, 837 Unchecked, 0.4s Time] [2022-02-20 23:48:42,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-02-20 23:48:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 121. [2022-02-20 23:48:42,715 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:42,716 INFO L82 GeneralOperation]: Start isEquivalent. First operand 268 states. Second operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,716 INFO L74 IsIncluded]: Start isIncluded. First operand 268 states. Second operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,716 INFO L87 Difference]: Start difference. First operand 268 states. Second operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:42,720 INFO L93 Difference]: Finished difference Result 268 states and 301 transitions. [2022-02-20 23:48:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 301 transitions. [2022-02-20 23:48:42,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:42,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:42,721 INFO L74 IsIncluded]: Start isIncluded. First operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 268 states. [2022-02-20 23:48:42,721 INFO L87 Difference]: Start difference. First operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 268 states. [2022-02-20 23:48:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:42,726 INFO L93 Difference]: Finished difference Result 268 states and 301 transitions. [2022-02-20 23:48:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 301 transitions. [2022-02-20 23:48:42,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:42,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:42,727 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:42,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 120 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2022-02-20 23:48:42,731 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 29 [2022-02-20 23:48:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:42,731 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2022-02-20 23:48:42,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 26 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2022-02-20 23:48:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 23:48:42,732 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:42,732 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:42,762 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 23:48:42,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:42,950 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash -904234728, now seen corresponding path program 2 times [2022-02-20 23:48:42,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:42,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645184870] [2022-02-20 23:48:42,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:42,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:43,182 INFO L290 TraceCheckUtils]: 0: Hoare triple {14053#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {14053#true} is VALID [2022-02-20 23:48:43,183 INFO L290 TraceCheckUtils]: 1: Hoare triple {14053#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {14055#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:43,183 INFO L290 TraceCheckUtils]: 2: Hoare triple {14055#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {14055#(= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:43,184 INFO L290 TraceCheckUtils]: 3: Hoare triple {14055#(= |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; {14056#(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 23:48:43,187 INFO L290 TraceCheckUtils]: 4: Hoare triple {14056#(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 < 10; {14056#(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 23:48:43,188 INFO L290 TraceCheckUtils]: 5: Hoare triple {14056#(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; {14056#(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 23:48:43,189 INFO L290 TraceCheckUtils]: 6: Hoare triple {14056#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {14056#(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 23:48:43,189 INFO L290 TraceCheckUtils]: 7: Hoare triple {14056#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {14057#(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 23:48:43,190 INFO L290 TraceCheckUtils]: 8: Hoare triple {14057#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {14058#(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 23:48:43,191 INFO L290 TraceCheckUtils]: 9: Hoare triple {14058#(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); {14058#(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 23:48:43,192 INFO L290 TraceCheckUtils]: 10: Hoare triple {14058#(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$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {14059#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:43,193 INFO L290 TraceCheckUtils]: 11: Hoare triple {14059#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {14060#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} is VALID [2022-02-20 23:48:43,193 INFO L290 TraceCheckUtils]: 12: Hoare triple {14060#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,194 INFO L290 TraceCheckUtils]: 13: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} main_#t~short5#1 := main_~i~0#1 < 10; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,195 INFO L290 TraceCheckUtils]: 14: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,195 INFO L290 TraceCheckUtils]: 15: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,196 INFO L290 TraceCheckUtils]: 16: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} main_#t~short10#1 := main_~y~0#1 < 10; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,196 INFO L290 TraceCheckUtils]: 17: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,197 INFO L290 TraceCheckUtils]: 18: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,198 INFO L290 TraceCheckUtils]: 19: Hoare triple {14061#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {14062#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:43,199 INFO L290 TraceCheckUtils]: 20: Hoare triple {14062#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {14063#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1)))} is VALID [2022-02-20 23:48:43,200 INFO L290 TraceCheckUtils]: 21: Hoare triple {14063#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) 1)))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} is VALID [2022-02-20 23:48:43,201 INFO L290 TraceCheckUtils]: 22: Hoare triple {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} is VALID [2022-02-20 23:48:43,201 INFO L290 TraceCheckUtils]: 23: Hoare triple {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} is VALID [2022-02-20 23:48:43,202 INFO L290 TraceCheckUtils]: 24: Hoare triple {14064#(and (= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) 1)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14065#(not (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|) 1))} is VALID [2022-02-20 23:48:43,202 INFO L290 TraceCheckUtils]: 25: Hoare triple {14065#(not (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|) 1))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14066#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1))} is VALID [2022-02-20 23:48:43,203 INFO L290 TraceCheckUtils]: 26: Hoare triple {14066#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14067#(not (= |ULTIMATE.start_main_#t~mem14#1| 1))} is VALID [2022-02-20 23:48:43,203 INFO L290 TraceCheckUtils]: 27: Hoare triple {14067#(not (= |ULTIMATE.start_main_#t~mem14#1| 1))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14054#false} is VALID [2022-02-20 23:48:43,204 INFO L290 TraceCheckUtils]: 28: Hoare triple {14054#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14054#false} is VALID [2022-02-20 23:48:43,204 INFO L290 TraceCheckUtils]: 29: Hoare triple {14054#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14054#false} is VALID [2022-02-20 23:48:43,204 INFO L290 TraceCheckUtils]: 30: Hoare triple {14054#false} assume !(1 == #valid[main_~p~0#1.base]); {14054#false} is VALID [2022-02-20 23:48:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:43,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:48:43,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645184870] [2022-02-20 23:48:43,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645184870] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:48:43,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077418869] [2022-02-20 23:48:43,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:48:43,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:48:43,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:48:43,208 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 23:48:43,209 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 23:48:43,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:48:43,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:48:43,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-20 23:48:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:48:43,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:48:43,450 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 23:48:43,462 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:48:43,462 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 23:48:43,556 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 23:48:43,565 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 23:48:43,823 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 23:48:43,835 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:48:43,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 23:48:43,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 23:48:43,860 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:43,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 23:48:43,957 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:48:43,957 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 78 treesize of output 71 [2022-02-20 23:48:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:48:43,971 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 41 treesize of output 36 [2022-02-20 23:48:43,981 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 33 treesize of output 33 [2022-02-20 23:48:44,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:44,201 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 42 treesize of output 24 [2022-02-20 23:48:44,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:48:44,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 14 [2022-02-20 23:48:44,342 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 23:48:44,374 INFO L290 TraceCheckUtils]: 0: Hoare triple {14053#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {14053#true} is VALID [2022-02-20 23:48:44,375 INFO L290 TraceCheckUtils]: 1: Hoare triple {14053#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:44,375 INFO L290 TraceCheckUtils]: 2: Hoare triple {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:44,376 INFO L290 TraceCheckUtils]: 3: Hoare triple {14074#(<= |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; {14081#(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 23:48:44,376 INFO L290 TraceCheckUtils]: 4: Hoare triple {14081#(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 < 10; {14081#(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 23:48:44,377 INFO L290 TraceCheckUtils]: 5: Hoare triple {14081#(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; {14081#(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 23:48:44,377 INFO L290 TraceCheckUtils]: 6: Hoare triple {14081#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {14081#(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 23:48:44,378 INFO L290 TraceCheckUtils]: 7: Hoare triple {14081#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {14057#(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 23:48:44,378 INFO L290 TraceCheckUtils]: 8: Hoare triple {14057#(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~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {14097#(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))} is VALID [2022-02-20 23:48:44,379 INFO L290 TraceCheckUtils]: 9: Hoare triple {14097#(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))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {14097#(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))} is VALID [2022-02-20 23:48:44,380 INFO L290 TraceCheckUtils]: 10: Hoare triple {14097#(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))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {14104#(and (<= (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} is VALID [2022-02-20 23:48:44,380 INFO L290 TraceCheckUtils]: 11: Hoare triple {14104#(and (<= (select |#length| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) |ULTIMATE.start_main_~p~0#1.base|)) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {14108#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} is VALID [2022-02-20 23:48:44,381 INFO L290 TraceCheckUtils]: 12: Hoare triple {14108#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_#t~mem8#1.base|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,381 INFO L290 TraceCheckUtils]: 13: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} main_#t~short5#1 := main_~i~0#1 < 10; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,382 INFO L290 TraceCheckUtils]: 14: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,382 INFO L290 TraceCheckUtils]: 15: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,383 INFO L290 TraceCheckUtils]: 16: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} main_#t~short10#1 := main_~y~0#1 < 10; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,384 INFO L290 TraceCheckUtils]: 18: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,385 INFO L290 TraceCheckUtils]: 19: Hoare triple {14112#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {14134#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} is VALID [2022-02-20 23:48:44,386 INFO L290 TraceCheckUtils]: 20: Hoare triple {14134#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {14138#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)))} is VALID [2022-02-20 23:48:44,387 INFO L290 TraceCheckUtils]: 21: Hoare triple {14138#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4) |ULTIMATE.start_main_~a~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) 4)))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {14142#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:44,387 INFO L290 TraceCheckUtils]: 22: Hoare triple {14142#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14146#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:44,388 INFO L290 TraceCheckUtils]: 23: Hoare triple {14146#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14146#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:44,388 INFO L290 TraceCheckUtils]: 24: Hoare triple {14146#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) 8) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4)) (<= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) 4))) (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) 4) |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14153#(and (<= (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) 8) (<= 0 |ULTIMATE.start_main_#t~mem16#1.offset|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)))} is VALID [2022-02-20 23:48:44,389 INFO L290 TraceCheckUtils]: 25: Hoare triple {14153#(and (<= (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) 8) (<= 0 |ULTIMATE.start_main_#t~mem16#1.offset|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14157#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) (<= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 8))} is VALID [2022-02-20 23:48:44,389 INFO L290 TraceCheckUtils]: 26: Hoare triple {14157#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 3 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)) (<= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 8))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14161#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 3 |ULTIMATE.start_main_#t~mem14#1|) (<= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 8))} is VALID [2022-02-20 23:48:44,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {14161#(and (<= 0 |ULTIMATE.start_main_~p~0#1.offset|) (<= 3 |ULTIMATE.start_main_#t~mem14#1|) (<= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 8))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14054#false} is VALID [2022-02-20 23:48:44,390 INFO L290 TraceCheckUtils]: 28: Hoare triple {14054#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14054#false} is VALID [2022-02-20 23:48:44,390 INFO L290 TraceCheckUtils]: 29: Hoare triple {14054#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14054#false} is VALID [2022-02-20 23:48:44,390 INFO L290 TraceCheckUtils]: 30: Hoare triple {14054#false} assume !(1 == #valid[main_~p~0#1.base]); {14054#false} is VALID [2022-02-20 23:48:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:44,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:48:44,849 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int) (v_ArrVal_667 Int)) (let ((.cse2 (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |c_ULTIMATE.start_main_~a~0#1.base|) .cse2)) (.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |c_ULTIMATE.start_main_~a~0#1.base|) .cse2))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= (+ 8 .cse0) (select |c_#length| .cse1))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (< 1 (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_667)) .cse1) .cse0)))))) is different from false [2022-02-20 23:48:45,058 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 458 treesize of output 414 [2022-02-20 23:48:47,085 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:47,086 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 92 treesize of output 82 [2022-02-20 23:48:47,120 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:47,120 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 78 treesize of output 68 [2022-02-20 23:48:47,146 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:47,146 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 116 treesize of output 101 [2022-02-20 23:48:47,189 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:48:47,190 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 148 treesize of output 139 [2022-02-20 23:48:47,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 108 [2022-02-20 23:48:47,272 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 108 treesize of output 96 [2022-02-20 23:48:47,937 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:48:47,937 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 23:48:48,174 INFO L290 TraceCheckUtils]: 30: Hoare triple {14054#false} assume !(1 == #valid[main_~p~0#1.base]); {14054#false} is VALID [2022-02-20 23:48:48,174 INFO L290 TraceCheckUtils]: 29: Hoare triple {14054#false} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14054#false} is VALID [2022-02-20 23:48:48,175 INFO L290 TraceCheckUtils]: 28: Hoare triple {14180#(not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14054#false} is VALID [2022-02-20 23:48:48,175 INFO L290 TraceCheckUtils]: 27: Hoare triple {14184#(or (not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |ULTIMATE.start_main_#t~mem14#1| 1)))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14180#(not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|)))} is VALID [2022-02-20 23:48:48,175 INFO L290 TraceCheckUtils]: 26: Hoare triple {14188#(or (not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|))) (< 1 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14184#(or (not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|))) (not (<= |ULTIMATE.start_main_#t~mem14#1| 1)))} is VALID [2022-02-20 23:48:48,176 INFO L290 TraceCheckUtils]: 25: Hoare triple {14192#(or (not (<= (+ 8 |ULTIMATE.start_main_#t~mem16#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|))) (< 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {14188#(or (not (<= (+ |ULTIMATE.start_main_~p~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~p~0#1.base|))) (< 1 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|)))} is VALID [2022-02-20 23:48:48,177 INFO L290 TraceCheckUtils]: 24: Hoare triple {14196#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L561 {14192#(or (not (<= (+ 8 |ULTIMATE.start_main_#t~mem16#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|))) (< 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)))} is VALID [2022-02-20 23:48:48,177 INFO L290 TraceCheckUtils]: 23: Hoare triple {14196#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} assume !!(1 == main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; {14196#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} is VALID [2022-02-20 23:48:48,177 INFO L290 TraceCheckUtils]: 22: Hoare triple {14203#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} SUMMARY for call main_#t~mem14#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L559-3 {14196#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} is VALID [2022-02-20 23:48:48,178 INFO L290 TraceCheckUtils]: 21: Hoare triple {14207#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))))))} main_~i~0#1 := 0;main_~y~0#1 := 0;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; {14203#(or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (not (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))))))} is VALID [2022-02-20 23:48:48,180 INFO L290 TraceCheckUtils]: 20: Hoare triple {14211#(forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int) (v_ArrVal_667 Int)) (or (< 1 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_667)) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L554 {14207#(forall ((|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (< 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)) (not (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))))))} is VALID [2022-02-20 23:48:48,188 WARN L290 TraceCheckUtils]: 19: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} SUMMARY for call write~int(3, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L546-5 {14211#(forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int) (v_ArrVal_667 Int)) (or (< 1 (select (select (store |#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_667)) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|))))} is UNKNOWN [2022-02-20 23:48:48,190 WARN L290 TraceCheckUtils]: 18: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} assume !main_#t~short10#1;havoc main_#t~nondet9#1;havoc main_#t~short10#1; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,192 WARN L290 TraceCheckUtils]: 17: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} assume main_#t~short10#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_#t~short10#1 := 0 != main_#t~nondet9#1; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,197 WARN L290 TraceCheckUtils]: 16: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} main_#t~short10#1 := main_~y~0#1 < 10; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,199 WARN L290 TraceCheckUtils]: 15: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,201 WARN L290 TraceCheckUtils]: 14: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} assume main_#t~short5#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_#t~short5#1 := 0 != main_#t~nondet4#1; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,205 WARN L290 TraceCheckUtils]: 13: Hoare triple {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} main_#t~short5#1 := main_~i~0#1 < 10; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,207 WARN L290 TraceCheckUtils]: 12: Hoare triple {14237#(or (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_#t~mem8#1.base|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|)))} main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {14215#(or (not (<= 0 |ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_~p~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:48:48,210 WARN L290 TraceCheckUtils]: 11: Hoare triple {14241#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (not (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (and (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L543 {14237#(or (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (and (= |ULTIMATE.start_main_#t~mem8#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) |ULTIMATE.start_main_#t~mem8#1.base|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|)))} is UNKNOWN [2022-02-20 23:48:48,211 INFO L290 TraceCheckUtils]: 10: Hoare triple {14245#(and (or (<= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~p~0#1.offset| 0) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (< |ULTIMATE.start_main_~a~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~t~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4); srcloc: L542-3 {14241#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)))) (forall ((v_ArrVal_666 (Array Int Int)) (v_ArrVal_668 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_78| Int)) (or (not (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4))))) (and (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_666) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~p~0#1.base|) (+ |ULTIMATE.start_main_~p~0#1.offset| 4)) v_ArrVal_668) |ULTIMATE.start_main_~a~0#1.base|) (+ |v_ULTIMATE.start_main_~p~0#1.offset_78| 4)))) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_78|)) (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_78| |ULTIMATE.start_main_~a~0#1.offset|)))))} is VALID [2022-02-20 23:48:48,211 INFO L290 TraceCheckUtils]: 9: Hoare triple {14245#(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)))} assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); {14245#(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)))} is VALID [2022-02-20 23:48:48,212 INFO L290 TraceCheckUtils]: 8: Hoare triple {14252#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_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 (= |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_31| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_31|) 0))))} call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {14245#(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)))} is VALID [2022-02-20 23:48:48,213 INFO L290 TraceCheckUtils]: 7: Hoare triple {14256#(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(1, main_~p~0#1.base, main_~p~0#1.offset, 4); srcloc: L540 {14252#(forall ((|v_ULTIMATE.start_main_~t~0#1.base_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 (= |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_31| |ULTIMATE.start_main_~a~0#1.base|)) (< |ULTIMATE.start_main_~a~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~t~0#1.base_31|) 0))))} is VALID [2022-02-20 23:48:48,214 INFO L290 TraceCheckUtils]: 6: Hoare triple {14256#(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;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; {14256#(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 23:48:48,214 INFO L290 TraceCheckUtils]: 5: Hoare triple {14256#(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; {14256#(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 23:48:48,215 INFO L290 TraceCheckUtils]: 4: Hoare triple {14256#(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 < 10; {14256#(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 23:48:48,215 INFO L290 TraceCheckUtils]: 3: Hoare triple {14074#(<= |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; {14256#(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 23:48:48,216 INFO L290 TraceCheckUtils]: 2: Hoare triple {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:48,216 INFO L290 TraceCheckUtils]: 1: Hoare triple {14053#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~post6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~post11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~nondet9#1, main_#t~short10#1, main_#t~post15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem14#1, main_#t~post18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem17#1, main_#t~mem20#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_~i~0#1, main_~y~0#1, 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 := 0;main_~y~0#1 := 0;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; {14074#(<= |ULTIMATE.start_main_~a~0#1.offset| 0)} is VALID [2022-02-20 23:48:48,216 INFO L290 TraceCheckUtils]: 0: Hoare triple {14053#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); {14053#true} is VALID [2022-02-20 23:48:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:48:48,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077418869] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:48:48,223 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:48:48,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 17] total 42 [2022-02-20 23:48:48,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175338703] [2022-02-20 23:48:48,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:48:48,224 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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) Word has length 31 [2022-02-20 23:48:48,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:48:48,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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 23:48:48,309 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 75 inductive. 0 not inductive. 9 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:48,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-20 23:48:48,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:48:48,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-20 23:48:48,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1469, Unknown=1, NotChecked=78, Total=1722 [2022-02-20 23:48:48,311 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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 23:48:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:52,014 INFO L93 Difference]: Finished difference Result 207 states and 229 transitions. [2022-02-20 23:48:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-20 23:48:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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) Word has length 31 [2022-02-20 23:48:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:48:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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 23:48:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 211 transitions. [2022-02-20 23:48:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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 23:48:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 211 transitions. [2022-02-20 23:48:52,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 211 transitions. [2022-02-20 23:48:52,186 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:48:52,188 INFO L225 Difference]: With dead ends: 207 [2022-02-20 23:48:52,188 INFO L226 Difference]: Without dead ends: 207 [2022-02-20 23:48:52,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=389, Invalid=2584, Unknown=1, NotChecked=106, Total=3080 [2022-02-20 23:48:52,190 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 267 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 554 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:48:52,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 1340 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1567 Invalid, 0 Unknown, 554 Unchecked, 1.2s Time] [2022-02-20 23:48:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-20 23:48:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 123. [2022-02-20 23:48:52,192 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:48:52,193 INFO L82 GeneralOperation]: Start isEquivalent. First operand 207 states. Second operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:52,193 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states. Second operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:52,193 INFO L87 Difference]: Start difference. First operand 207 states. Second operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:52,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:52,196 INFO L93 Difference]: Finished difference Result 207 states and 229 transitions. [2022-02-20 23:48:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 229 transitions. [2022-02-20 23:48:52,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:52,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:52,197 INFO L74 IsIncluded]: Start isIncluded. First operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 207 states. [2022-02-20 23:48:52,197 INFO L87 Difference]: Start difference. First operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 207 states. [2022-02-20 23:48:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:48:52,200 INFO L93 Difference]: Finished difference Result 207 states and 229 transitions. [2022-02-20 23:48:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 229 transitions. [2022-02-20 23:48:52,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:48:52,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:48:52,201 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:48:52,201 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:48:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 122 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:48:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2022-02-20 23:48:52,203 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 31 [2022-02-20 23:48:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:48:52,203 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2022-02-20 23:48:52,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 42 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 23:48:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2022-02-20 23:48:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:48:52,204 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:48:52,204 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:48:52,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-20 23:48:52,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-02-20 23:48:52,418 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 34 more)] === [2022-02-20 23:48:52,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:48:52,419 INFO L85 PathProgramCache]: Analyzing trace with hash 80993154, now seen corresponding path program 1 times [2022-02-20 23:48:52,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:48:52,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504892413] [2022-02-20 23:48:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:48:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:48:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat