./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:52:37,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:52:37,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:52:37,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:52:37,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:52:37,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:52:37,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:52:37,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:52:37,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:52:37,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:52:37,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:52:37,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:52:37,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:52:37,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:52:37,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:52:37,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:52:37,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:52:37,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:52:38,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:52:38,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:52:38,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:52:38,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:52:38,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:52:38,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:52:38,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:52:38,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:52:38,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:52:38,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:52:38,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:52:38,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:52:38,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:52:38,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:52:38,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:52:38,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:52:38,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:52:38,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:52:38,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:52:38,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:52:38,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:52:38,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:52:38,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:52:38,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:52:38,025 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:52:38,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:52:38,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:52:38,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:52:38,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:52:38,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:52:38,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:52:38,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:52:38,027 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:52:38,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:52:38,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:52:38,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:52:38,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:38,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:52:38,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:52:38,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:52:38,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:52:38,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:52:38,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:52:38,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:52:38,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:52:38,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d [2022-02-20 16:52:38,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:52:38,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:52:38,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:52:38,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:52:38,265 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:52:38,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2022-02-20 16:52:38,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa6e0f67/5a0daaf986854c67be5bb9dd2174d2f9/FLAGf70afdfe0 [2022-02-20 16:52:38,683 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:52:38,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2022-02-20 16:52:38,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa6e0f67/5a0daaf986854c67be5bb9dd2174d2f9/FLAGf70afdfe0 [2022-02-20 16:52:38,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa6e0f67/5a0daaf986854c67be5bb9dd2174d2f9 [2022-02-20 16:52:38,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:52:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:52:38,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:38,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:52:38,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:52:38,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:38" (1/1) ... [2022-02-20 16:52:38,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d3cb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:38, skipping insertion in model container [2022-02-20 16:52:38,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:38" (1/1) ... [2022-02-20 16:52:38,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:52:38,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:52:38,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2022-02-20 16:52:38,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:38,944 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:52:39,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2022-02-20 16:52:39,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:39,030 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:52:39,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39 WrapperNode [2022-02-20 16:52:39,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:39,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:39,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:52:39,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:52:39,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,068 INFO L137 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2022-02-20 16:52:39,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:39,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:52:39,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:52:39,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:52:39,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:52:39,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:52:39,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:52:39,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:52:39,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (1/1) ... [2022-02-20 16:52:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:39,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:52:39,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:52:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:52:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:52:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:52:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:52:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:52:39,327 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:52:39,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:52:39,563 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:52:39,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:52:39,569 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-02-20 16:52:39,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:39 BoogieIcfgContainer [2022-02-20 16:52:39,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:52:39,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:52:39,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:52:39,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:52:39,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:52:38" (1/3) ... [2022-02-20 16:52:39,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d75caa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:39, skipping insertion in model container [2022-02-20 16:52:39,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:39" (2/3) ... [2022-02-20 16:52:39,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d75caa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:39, skipping insertion in model container [2022-02-20 16:52:39,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:39" (3/3) ... [2022-02-20 16:52:39,591 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue-1.i [2022-02-20 16:52:39,605 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:52:39,605 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:52:39,634 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:52:39,638 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:52:39,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:52:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 16:52:39,651 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:39,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:39,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:39,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1041580535, now seen corresponding path program 1 times [2022-02-20 16:52:39,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:39,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814990465] [2022-02-20 16:52:39,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:39,769 INFO L290 TraceCheckUtils]: 0: Hoare triple {29#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(26, 2); {29#true} is VALID [2022-02-20 16:52:39,770 INFO L290 TraceCheckUtils]: 1: Hoare triple {29#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29#true} is VALID [2022-02-20 16:52:39,771 INFO L290 TraceCheckUtils]: 2: Hoare triple {29#true} assume !true; {30#false} is VALID [2022-02-20 16:52:39,771 INFO L290 TraceCheckUtils]: 3: Hoare triple {30#false} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {30#false} is VALID [2022-02-20 16:52:39,771 INFO L290 TraceCheckUtils]: 4: Hoare triple {30#false} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {30#false} is VALID [2022-02-20 16:52:39,771 INFO L290 TraceCheckUtils]: 5: Hoare triple {30#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {30#false} is VALID [2022-02-20 16:52:39,772 INFO L290 TraceCheckUtils]: 6: Hoare triple {30#false} assume !true; {30#false} is VALID [2022-02-20 16:52:39,772 INFO L290 TraceCheckUtils]: 7: Hoare triple {30#false} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {30#false} is VALID [2022-02-20 16:52:39,772 INFO L290 TraceCheckUtils]: 8: Hoare triple {30#false} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {30#false} is VALID [2022-02-20 16:52:39,772 INFO L290 TraceCheckUtils]: 9: Hoare triple {30#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {30#false} is VALID [2022-02-20 16:52:39,772 INFO L290 TraceCheckUtils]: 10: Hoare triple {30#false} assume !false; {30#false} is VALID [2022-02-20 16:52:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:39,774 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:39,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814990465] [2022-02-20 16:52:39,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814990465] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:39,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:39,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:52:39,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135172143] [2022-02-20 16:52:39,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:39,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:52:39,780 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:39,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,793 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:39,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:52:39,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:39,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:52:39,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:39,809 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:39,841 INFO L93 Difference]: Finished difference Result 47 states and 74 transitions. [2022-02-20 16:52:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:52:39,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:52:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 74 transitions. [2022-02-20 16:52:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 74 transitions. [2022-02-20 16:52:39,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 74 transitions. [2022-02-20 16:52:39,900 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:39,906 INFO L225 Difference]: With dead ends: 47 [2022-02-20 16:52:39,906 INFO L226 Difference]: Without dead ends: 19 [2022-02-20 16:52:39,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:39,910 INFO L933 BasicCegarLoop]: 31 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, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:39,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:39,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-02-20 16:52:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-02-20 16:52:39,926 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:39,927 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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 16:52:39,927 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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 16:52:39,928 INFO L87 Difference]: Start difference. First operand 19 states. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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 16:52:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:39,929 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2022-02-20 16:52:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-02-20 16:52:39,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:39,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:39,930 INFO L74 IsIncluded]: Start isIncluded. First operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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) Second operand 19 states. [2022-02-20 16:52:39,930 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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) Second operand 19 states. [2022-02-20 16:52:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:39,931 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2022-02-20 16:52:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-02-20 16:52:39,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:39,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:39,932 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:39,932 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 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 16:52:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-02-20 16:52:39,934 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 11 [2022-02-20 16:52:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:39,935 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-02-20 16:52:39,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-02-20 16:52:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 16:52:39,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:39,936 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:39,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:52:39,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:39,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:39,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1993200173, now seen corresponding path program 1 times [2022-02-20 16:52:39,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:39,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113613056] [2022-02-20 16:52:39,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:40,124 INFO L290 TraceCheckUtils]: 0: Hoare triple {155#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(26, 2); {155#true} is VALID [2022-02-20 16:52:40,125 INFO L290 TraceCheckUtils]: 1: Hoare triple {155#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:40,126 INFO L290 TraceCheckUtils]: 2: Hoare triple {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:40,126 INFO L290 TraceCheckUtils]: 3: Hoare triple {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:40,127 INFO L290 TraceCheckUtils]: 4: Hoare triple {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:40,128 INFO L290 TraceCheckUtils]: 5: Hoare triple {157#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {158#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:40,129 INFO L290 TraceCheckUtils]: 6: Hoare triple {158#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:40,129 INFO L290 TraceCheckUtils]: 7: Hoare triple {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:40,131 INFO L290 TraceCheckUtils]: 8: Hoare triple {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:40,132 INFO L290 TraceCheckUtils]: 9: Hoare triple {159#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {160#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:40,132 INFO L290 TraceCheckUtils]: 10: Hoare triple {160#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {161#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:52:40,133 INFO L290 TraceCheckUtils]: 11: Hoare triple {161#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {156#false} is VALID [2022-02-20 16:52:40,133 INFO L290 TraceCheckUtils]: 12: Hoare triple {156#false} assume !false; {156#false} is VALID [2022-02-20 16:52:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:40,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:40,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113613056] [2022-02-20 16:52:40,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113613056] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:40,134 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:40,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 16:52:40,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296621541] [2022-02-20 16:52:40,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:40,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 16:52:40,136 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:40,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:40,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 16:52:40,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 16:52:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:52:40,151 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:40,459 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2022-02-20 16:52:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 16:52:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 16:52:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 65 transitions. [2022-02-20 16:52:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 65 transitions. [2022-02-20 16:52:40,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 65 transitions. [2022-02-20 16:52:40,516 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:40,518 INFO L225 Difference]: With dead ends: 51 [2022-02-20 16:52:40,518 INFO L226 Difference]: Without dead ends: 49 [2022-02-20 16:52:40,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-20 16:52:40,520 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 36 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:40,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 63 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:52:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-20 16:52:40,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 29. [2022-02-20 16:52:40,524 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:40,525 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,525 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,525 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:40,527 INFO L93 Difference]: Finished difference Result 49 states and 63 transitions. [2022-02-20 16:52:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-02-20 16:52:40,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:40,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:40,528 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 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 49 states. [2022-02-20 16:52:40,528 INFO L87 Difference]: Start difference. First operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 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 49 states. [2022-02-20 16:52:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:40,530 INFO L93 Difference]: Finished difference Result 49 states and 63 transitions. [2022-02-20 16:52:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-02-20 16:52:40,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:40,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:40,531 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:40,531 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2022-02-20 16:52:40,532 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 13 [2022-02-20 16:52:40,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:40,532 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-02-20 16:52:40,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-02-20 16:52:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 16:52:40,533 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:40,533 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:40,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:52:40,534 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:40,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1593175992, now seen corresponding path program 1 times [2022-02-20 16:52:40,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:40,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158610792] [2022-02-20 16:52:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:40,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:40,632 INFO L290 TraceCheckUtils]: 0: Hoare triple {373#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(26, 2); {373#true} is VALID [2022-02-20 16:52:40,633 INFO L290 TraceCheckUtils]: 1: Hoare triple {373#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,634 INFO L290 TraceCheckUtils]: 2: Hoare triple {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,634 INFO L290 TraceCheckUtils]: 3: Hoare triple {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,635 INFO L290 TraceCheckUtils]: 4: Hoare triple {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,636 INFO L290 TraceCheckUtils]: 5: Hoare triple {375#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {376#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:40,637 INFO L290 TraceCheckUtils]: 6: Hoare triple {376#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:40,637 INFO L290 TraceCheckUtils]: 7: Hoare triple {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:40,638 INFO L290 TraceCheckUtils]: 8: Hoare triple {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,638 INFO L290 TraceCheckUtils]: 9: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,639 INFO L290 TraceCheckUtils]: 10: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:40,639 INFO L290 TraceCheckUtils]: 11: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:52:40,640 INFO L290 TraceCheckUtils]: 12: Hoare triple {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {374#false} is VALID [2022-02-20 16:52:40,640 INFO L290 TraceCheckUtils]: 13: Hoare triple {374#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {374#false} is VALID [2022-02-20 16:52:40,640 INFO L290 TraceCheckUtils]: 14: Hoare triple {374#false} assume !false; {374#false} is VALID [2022-02-20 16:52:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:40,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:40,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158610792] [2022-02-20 16:52:40,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158610792] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:40,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965619291] [2022-02-20 16:52:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:40,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:40,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:40,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:52:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:40,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-20 16:52:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:40,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:40,790 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 16 treesize of output 17 [2022-02-20 16:52:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:40,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-02-20 16:52:40,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:40,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:52:40,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:52:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:40,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:40,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:40,935 INFO L356 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-02-20 16:52:40,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-02-20 16:52:41,223 INFO L356 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2022-02-20 16:52:41,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 35 [2022-02-20 16:52:41,260 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 16:52:41,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2022-02-20 16:52:41,283 INFO L290 TraceCheckUtils]: 0: Hoare triple {373#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(26, 2); {373#true} is VALID [2022-02-20 16:52:41,285 INFO L290 TraceCheckUtils]: 1: Hoare triple {373#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,285 INFO L290 TraceCheckUtils]: 2: Hoare triple {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,286 INFO L290 TraceCheckUtils]: 3: Hoare triple {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,286 INFO L290 TraceCheckUtils]: 4: Hoare triple {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,287 INFO L290 TraceCheckUtils]: 5: Hoare triple {386#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {399#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,288 INFO L290 TraceCheckUtils]: 6: Hoare triple {399#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {403#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,289 INFO L290 TraceCheckUtils]: 7: Hoare triple {403#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {403#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,290 INFO L290 TraceCheckUtils]: 8: Hoare triple {403#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} is VALID [2022-02-20 16:52:41,291 INFO L290 TraceCheckUtils]: 9: Hoare triple {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} is VALID [2022-02-20 16:52:41,291 INFO L290 TraceCheckUtils]: 10: Hoare triple {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} is VALID [2022-02-20 16:52:41,292 INFO L290 TraceCheckUtils]: 11: Hoare triple {410#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_25| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_25| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_25|) 0)))))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:52:41,293 INFO L290 TraceCheckUtils]: 12: Hoare triple {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {374#false} is VALID [2022-02-20 16:52:41,293 INFO L290 TraceCheckUtils]: 13: Hoare triple {374#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {374#false} is VALID [2022-02-20 16:52:41,293 INFO L290 TraceCheckUtils]: 14: Hoare triple {374#false} assume !false; {374#false} is VALID [2022-02-20 16:52:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:41,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:41,369 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:41,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2022-02-20 16:52:41,376 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:41,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2022-02-20 16:52:41,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,487 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= (select v_arrayElimArr_3 0) |c_ULTIMATE.start_main_~head~0#1.base|)) (and (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0)) (not (= |c_ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))))) is different from false [2022-02-20 16:52:41,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:41,964 INFO L290 TraceCheckUtils]: 14: Hoare triple {374#false} assume !false; {374#false} is VALID [2022-02-20 16:52:41,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {374#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {374#false} is VALID [2022-02-20 16:52:41,966 INFO L290 TraceCheckUtils]: 12: Hoare triple {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {374#false} is VALID [2022-02-20 16:52:41,966 INFO L290 TraceCheckUtils]: 11: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {379#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:52:41,966 INFO L290 TraceCheckUtils]: 10: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,967 INFO L290 TraceCheckUtils]: 9: Hoare triple {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,967 INFO L290 TraceCheckUtils]: 8: Hoare triple {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {378#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:41,968 INFO L290 TraceCheckUtils]: 7: Hoare triple {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:41,969 INFO L290 TraceCheckUtils]: 6: Hoare triple {376#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {377#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:41,971 WARN L290 TraceCheckUtils]: 5: Hoare triple {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {376#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} is UNKNOWN [2022-02-20 16:52:41,972 INFO L290 TraceCheckUtils]: 4: Hoare triple {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} is VALID [2022-02-20 16:52:41,973 INFO L290 TraceCheckUtils]: 3: Hoare triple {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} is VALID [2022-02-20 16:52:41,974 INFO L290 TraceCheckUtils]: 2: Hoare triple {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} is VALID [2022-02-20 16:52:41,975 INFO L290 TraceCheckUtils]: 1: Hoare triple {373#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {456#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_10| Int) (v_arrayElimArr_4 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_4 0))) (and (= (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_4) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 0 (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_10| v_arrayElimArr_3) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select v_arrayElimArr_3 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_10|) 0))))} is VALID [2022-02-20 16:52:41,975 INFO L290 TraceCheckUtils]: 0: Hoare triple {373#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(26, 2); {373#true} is VALID [2022-02-20 16:52:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:41,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965619291] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:41,976 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:41,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-02-20 16:52:41,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091439329] [2022-02-20 16:52:41,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:41,977 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 16:52:41,977 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:41,977 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,004 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 30 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:42,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 16:52:42,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 16:52:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=88, Unknown=1, NotChecked=18, Total=132 [2022-02-20 16:52:42,005 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:42,558 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2022-02-20 16:52:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 16:52:42,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 16:52:42,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 87 transitions. [2022-02-20 16:52:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 87 transitions. [2022-02-20 16:52:42,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 87 transitions. [2022-02-20 16:52:42,631 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:42,632 INFO L225 Difference]: With dead ends: 69 [2022-02-20 16:52:42,632 INFO L226 Difference]: Without dead ends: 55 [2022-02-20 16:52:42,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=217, Unknown=1, NotChecked=30, Total=306 [2022-02-20 16:52:42,633 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 53 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:42,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 152 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 163 Invalid, 0 Unknown, 70 Unchecked, 0.2s Time] [2022-02-20 16:52:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-02-20 16:52:42,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 36. [2022-02-20 16:52:42,636 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:42,636 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,637 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,637 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:42,639 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-02-20 16:52:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-02-20 16:52:42,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:42,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:42,640 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 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 55 states. [2022-02-20 16:52:42,640 INFO L87 Difference]: Start difference. First operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 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 55 states. [2022-02-20 16:52:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:42,642 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-02-20 16:52:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-02-20 16:52:42,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:42,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:42,642 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:42,643 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2022-02-20 16:52:42,644 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 15 [2022-02-20 16:52:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:42,644 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-02-20 16:52:42,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-02-20 16:52:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 16:52:42,645 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:42,645 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:42,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:42,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:42,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:42,865 INFO L85 PathProgramCache]: Analyzing trace with hash 522680462, now seen corresponding path program 1 times [2022-02-20 16:52:42,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:42,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152441268] [2022-02-20 16:52:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:42,975 INFO L290 TraceCheckUtils]: 0: Hoare triple {731#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(26, 2); {731#true} is VALID [2022-02-20 16:52:42,976 INFO L290 TraceCheckUtils]: 1: Hoare triple {731#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {733#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,977 INFO L290 TraceCheckUtils]: 2: Hoare triple {733#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {733#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,978 INFO L290 TraceCheckUtils]: 3: Hoare triple {733#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,979 INFO L290 TraceCheckUtils]: 4: Hoare triple {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,979 INFO L290 TraceCheckUtils]: 5: Hoare triple {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,980 INFO L290 TraceCheckUtils]: 6: Hoare triple {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:42,981 INFO L290 TraceCheckUtils]: 7: Hoare triple {734#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {735#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:42,982 INFO L290 TraceCheckUtils]: 8: Hoare triple {735#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:42,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:42,982 INFO L290 TraceCheckUtils]: 10: Hoare triple {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:42,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {736#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {737#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:52:42,983 INFO L290 TraceCheckUtils]: 12: Hoare triple {737#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {738#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:52:42,984 INFO L290 TraceCheckUtils]: 13: Hoare triple {738#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {732#false} is VALID [2022-02-20 16:52:42,984 INFO L290 TraceCheckUtils]: 14: Hoare triple {732#false} assume !false; {732#false} is VALID [2022-02-20 16:52:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:42,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:42,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152441268] [2022-02-20 16:52:42,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152441268] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:42,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794807429] [2022-02-20 16:52:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:42,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:42,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:42,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:42,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:52:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 16:52:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:43,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:43,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:52:43,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:43,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:52:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:43,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:43,242 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:52:43,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:52:43,491 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 16:52:43,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:52:43,540 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:52:43,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:52:43,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:52:43,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-02-20 16:52:43,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:43,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:43,724 INFO L290 TraceCheckUtils]: 0: Hoare triple {731#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(26, 2); {731#true} is VALID [2022-02-20 16:52:43,725 INFO L290 TraceCheckUtils]: 1: Hoare triple {731#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {745#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,726 INFO L290 TraceCheckUtils]: 2: Hoare triple {745#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {745#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,727 INFO L290 TraceCheckUtils]: 3: Hoare triple {745#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,728 INFO L290 TraceCheckUtils]: 4: Hoare triple {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,729 INFO L290 TraceCheckUtils]: 5: Hoare triple {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,730 INFO L290 TraceCheckUtils]: 6: Hoare triple {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:43,731 INFO L290 TraceCheckUtils]: 7: Hoare triple {752#(and (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {765#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:43,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {765#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:43,732 INFO L290 TraceCheckUtils]: 9: Hoare triple {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:43,732 INFO L290 TraceCheckUtils]: 10: Hoare triple {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:43,733 INFO L290 TraceCheckUtils]: 11: Hoare triple {769#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {779#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 16:52:43,733 INFO L290 TraceCheckUtils]: 12: Hoare triple {779#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {783#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:52:43,734 INFO L290 TraceCheckUtils]: 13: Hoare triple {783#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {732#false} is VALID [2022-02-20 16:52:43,734 INFO L290 TraceCheckUtils]: 14: Hoare triple {732#false} assume !false; {732#false} is VALID [2022-02-20 16:52:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:43,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:43,815 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)))) is different from false [2022-02-20 16:52:44,220 INFO L290 TraceCheckUtils]: 14: Hoare triple {732#false} assume !false; {732#false} is VALID [2022-02-20 16:52:44,220 INFO L290 TraceCheckUtils]: 13: Hoare triple {738#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {732#false} is VALID [2022-02-20 16:52:44,221 INFO L290 TraceCheckUtils]: 12: Hoare triple {737#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {738#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:52:44,221 INFO L290 TraceCheckUtils]: 11: Hoare triple {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {737#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:52:44,222 INFO L290 TraceCheckUtils]: 10: Hoare triple {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:52:44,222 INFO L290 TraceCheckUtils]: 9: Hoare triple {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:52:44,225 INFO L290 TraceCheckUtils]: 8: Hoare triple {809#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {799#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:52:44,226 INFO L290 TraceCheckUtils]: 7: Hoare triple {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {809#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:52:44,226 INFO L290 TraceCheckUtils]: 6: Hoare triple {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:52:44,227 INFO L290 TraceCheckUtils]: 5: Hoare triple {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:52:44,227 INFO L290 TraceCheckUtils]: 4: Hoare triple {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:52:44,229 INFO L290 TraceCheckUtils]: 3: Hoare triple {826#(forall ((v_ArrVal_214 Int) (v_ArrVal_215 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_38| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38|) 0)) (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_214)) |v_ULTIMATE.start_main_~x~0#1.base_38| v_ArrVal_215) |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38| 1) |v_ULTIMATE.start_main_~head~0#1.base_13|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {813#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_13|) 0)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:52:44,229 INFO L290 TraceCheckUtils]: 2: Hoare triple {826#(forall ((v_ArrVal_214 Int) (v_ArrVal_215 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_38| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38|) 0)) (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_214)) |v_ULTIMATE.start_main_~x~0#1.base_38| v_ArrVal_215) |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38| 1) |v_ULTIMATE.start_main_~head~0#1.base_13|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {826#(forall ((v_ArrVal_214 Int) (v_ArrVal_215 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_38| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38|) 0)) (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_214)) |v_ULTIMATE.start_main_~x~0#1.base_38| v_ArrVal_215) |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38| 1) |v_ULTIMATE.start_main_~head~0#1.base_13|) 0))))} is VALID [2022-02-20 16:52:44,231 INFO L290 TraceCheckUtils]: 1: Hoare triple {731#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {826#(forall ((v_ArrVal_214 Int) (v_ArrVal_215 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_13| Int) (v_ArrVal_220 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_38| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38|) 0)) (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_214)) |v_ULTIMATE.start_main_~x~0#1.base_38| v_ArrVal_215) |v_ULTIMATE.start_main_~head~0#1.base_13| v_ArrVal_220) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_38| 1) |v_ULTIMATE.start_main_~head~0#1.base_13|) 0))))} is VALID [2022-02-20 16:52:44,231 INFO L290 TraceCheckUtils]: 0: Hoare triple {731#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(26, 2); {731#true} is VALID [2022-02-20 16:52:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:52:44,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794807429] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:44,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:44,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-02-20 16:52:44,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39765282] [2022-02-20 16:52:44,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:44,232 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 16:52:44,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:44,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:44,267 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:44,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-20 16:52:44,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-20 16:52:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=228, Unknown=1, NotChecked=30, Total=306 [2022-02-20 16:52:44,268 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,016 INFO L93 Difference]: Finished difference Result 93 states and 119 transitions. [2022-02-20 16:52:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 16:52:45,016 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 16:52:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 106 transitions. [2022-02-20 16:52:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 106 transitions. [2022-02-20 16:52:45,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 106 transitions. [2022-02-20 16:52:45,106 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:45,108 INFO L225 Difference]: With dead ends: 93 [2022-02-20 16:52:45,108 INFO L226 Difference]: Without dead ends: 91 [2022-02-20 16:52:45,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=493, Unknown=1, NotChecked=46, Total=650 [2022-02-20 16:52:45,109 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 86 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:45,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 209 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 221 Invalid, 0 Unknown, 85 Unchecked, 0.2s Time] [2022-02-20 16:52:45,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-02-20 16:52:45,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 48. [2022-02-20 16:52:45,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:45,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,115 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,115 INFO L87 Difference]: Start difference. First operand 91 states. Second operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,117 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2022-02-20 16:52:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-02-20 16:52:45,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:45,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:45,118 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 91 states. [2022-02-20 16:52:45,118 INFO L87 Difference]: Start difference. First operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 91 states. [2022-02-20 16:52:45,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,120 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2022-02-20 16:52:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-02-20 16:52:45,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:45,121 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:45,121 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:45,121 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-02-20 16:52:45,122 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 15 [2022-02-20 16:52:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:45,123 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-02-20 16:52:45,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-02-20 16:52:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 16:52:45,123 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:45,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:45,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:45,339 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,SelfDestructingSolverStorable3 [2022-02-20 16:52:45,339 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:45,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash 195432482, now seen corresponding path program 1 times [2022-02-20 16:52:45,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:45,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287013899] [2022-02-20 16:52:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:45,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:45,466 INFO L290 TraceCheckUtils]: 0: Hoare triple {1217#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(26, 2); {1217#true} is VALID [2022-02-20 16:52:45,467 INFO L290 TraceCheckUtils]: 1: Hoare triple {1217#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1217#true} is VALID [2022-02-20 16:52:45,467 INFO L290 TraceCheckUtils]: 2: Hoare triple {1217#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1217#true} is VALID [2022-02-20 16:52:45,467 INFO L290 TraceCheckUtils]: 3: Hoare triple {1217#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1217#true} is VALID [2022-02-20 16:52:45,467 INFO L290 TraceCheckUtils]: 4: Hoare triple {1217#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1217#true} is VALID [2022-02-20 16:52:45,468 INFO L290 TraceCheckUtils]: 5: Hoare triple {1217#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1219#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 16:52:45,468 INFO L290 TraceCheckUtils]: 6: Hoare triple {1219#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {1220#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.offset|) (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 16:52:45,469 INFO L290 TraceCheckUtils]: 7: Hoare triple {1220#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.offset|) (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !(main_#t~mem9#1.base != 0 || main_#t~mem9#1.offset != 0);havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {1221#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:45,470 INFO L290 TraceCheckUtils]: 8: Hoare triple {1221#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {1222#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:45,471 INFO L290 TraceCheckUtils]: 9: Hoare triple {1222#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:45,471 INFO L290 TraceCheckUtils]: 10: Hoare triple {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:45,472 INFO L290 TraceCheckUtils]: 11: Hoare triple {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:45,472 INFO L290 TraceCheckUtils]: 12: Hoare triple {1223#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {1224#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:52:45,473 INFO L290 TraceCheckUtils]: 13: Hoare triple {1224#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1218#false} is VALID [2022-02-20 16:52:45,473 INFO L290 TraceCheckUtils]: 14: Hoare triple {1218#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {1218#false} is VALID [2022-02-20 16:52:45,473 INFO L290 TraceCheckUtils]: 15: Hoare triple {1218#false} assume !false; {1218#false} is VALID [2022-02-20 16:52:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:45,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:45,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287013899] [2022-02-20 16:52:45,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287013899] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:45,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:45,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 16:52:45,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177508799] [2022-02-20 16:52:45,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:45,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 16:52:45,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:45,475 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,497 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:45,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 16:52:45,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:45,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 16:52:45,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:52:45,498 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,818 INFO L93 Difference]: Finished difference Result 88 states and 112 transitions. [2022-02-20 16:52:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 16:52:45,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 16:52:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 80 transitions. [2022-02-20 16:52:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 80 transitions. [2022-02-20 16:52:45,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 80 transitions. [2022-02-20 16:52:45,875 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:45,876 INFO L225 Difference]: With dead ends: 88 [2022-02-20 16:52:45,876 INFO L226 Difference]: Without dead ends: 65 [2022-02-20 16:52:45,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-20 16:52:45,877 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 37 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:45,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 82 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:52:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-02-20 16:52:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2022-02-20 16:52:45,881 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:45,881 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,882 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,882 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,883 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2022-02-20 16:52:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-02-20 16:52:45,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:45,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:45,884 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 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 65 states. [2022-02-20 16:52:45,884 INFO L87 Difference]: Start difference. First operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 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 65 states. [2022-02-20 16:52:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:45,885 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2022-02-20 16:52:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-02-20 16:52:45,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:45,886 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:45,886 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:45,886 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-02-20 16:52:45,887 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 16 [2022-02-20 16:52:45,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:45,887 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-02-20 16:52:45,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-02-20 16:52:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 16:52:45,888 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:45,888 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:45,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 16:52:45,888 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:45,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:45,889 INFO L85 PathProgramCache]: Analyzing trace with hash -758068131, now seen corresponding path program 2 times [2022-02-20 16:52:45,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:45,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027846590] [2022-02-20 16:52:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:45,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:45,992 INFO L290 TraceCheckUtils]: 0: Hoare triple {1536#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(26, 2); {1536#true} is VALID [2022-02-20 16:52:45,993 INFO L290 TraceCheckUtils]: 1: Hoare triple {1536#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:45,994 INFO L290 TraceCheckUtils]: 2: Hoare triple {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:45,994 INFO L290 TraceCheckUtils]: 3: Hoare triple {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:45,995 INFO L290 TraceCheckUtils]: 4: Hoare triple {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:45,996 INFO L290 TraceCheckUtils]: 5: Hoare triple {1538#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {1539#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) 4) 1))} is VALID [2022-02-20 16:52:45,996 INFO L290 TraceCheckUtils]: 6: Hoare triple {1539#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) 4) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 16:52:45,997 INFO L290 TraceCheckUtils]: 7: Hoare triple {1540#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1541#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem12#1| 1))} is VALID [2022-02-20 16:52:45,997 INFO L290 TraceCheckUtils]: 8: Hoare triple {1541#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem12#1| 1))} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {1537#false} is VALID [2022-02-20 16:52:45,997 INFO L290 TraceCheckUtils]: 9: Hoare triple {1537#false} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1537#false} is VALID [2022-02-20 16:52:45,997 INFO L290 TraceCheckUtils]: 10: Hoare triple {1537#false} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {1537#false} is VALID [2022-02-20 16:52:45,997 INFO L290 TraceCheckUtils]: 11: Hoare triple {1537#false} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L290 TraceCheckUtils]: 12: Hoare triple {1537#false} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L290 TraceCheckUtils]: 13: Hoare triple {1537#false} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L290 TraceCheckUtils]: 14: Hoare triple {1537#false} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L290 TraceCheckUtils]: 15: Hoare triple {1537#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L290 TraceCheckUtils]: 16: Hoare triple {1537#false} assume !false; {1537#false} is VALID [2022-02-20 16:52:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 16:52:45,998 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:45,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027846590] [2022-02-20 16:52:45,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027846590] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:45,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:45,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 16:52:45,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406093431] [2022-02-20 16:52:45,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:46,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:52:46,000 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:46,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,011 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:46,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:52:46,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:46,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:52:46,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:52:46,013 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,152 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2022-02-20 16:52:46,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:52:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:52:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 43 transitions. [2022-02-20 16:52:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 43 transitions. [2022-02-20 16:52:46,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 43 transitions. [2022-02-20 16:52:46,181 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:46,182 INFO L225 Difference]: With dead ends: 65 [2022-02-20 16:52:46,182 INFO L226 Difference]: Without dead ends: 52 [2022-02-20 16:52:46,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 16:52:46,183 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:46,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 59 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-20 16:52:46,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2022-02-20 16:52:46,198 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:46,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,199 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,199 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,200 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-02-20 16:52:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-02-20 16:52:46,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:46,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:46,200 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 16:52:46,201 INFO L87 Difference]: Start difference. First operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 16:52:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,202 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-02-20 16:52:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-02-20 16:52:46,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:46,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:46,202 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:46,202 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-02-20 16:52:46,203 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 17 [2022-02-20 16:52:46,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:46,204 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-02-20 16:52:46,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-02-20 16:52:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:52:46,204 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:46,205 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:46,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 16:52:46,205 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 335182407, now seen corresponding path program 1 times [2022-02-20 16:52:46,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:46,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360308871] [2022-02-20 16:52:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:46,265 INFO L290 TraceCheckUtils]: 0: Hoare triple {1798#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(26, 2); {1798#true} is VALID [2022-02-20 16:52:46,265 INFO L290 TraceCheckUtils]: 1: Hoare triple {1798#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1798#true} is VALID [2022-02-20 16:52:46,265 INFO L290 TraceCheckUtils]: 2: Hoare triple {1798#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1798#true} is VALID [2022-02-20 16:52:46,265 INFO L290 TraceCheckUtils]: 3: Hoare triple {1798#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1798#true} is VALID [2022-02-20 16:52:46,266 INFO L290 TraceCheckUtils]: 4: Hoare triple {1798#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1798#true} is VALID [2022-02-20 16:52:46,266 INFO L290 TraceCheckUtils]: 5: Hoare triple {1798#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} is VALID [2022-02-20 16:52:46,267 INFO L290 TraceCheckUtils]: 6: Hoare triple {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} is VALID [2022-02-20 16:52:46,267 INFO L290 TraceCheckUtils]: 7: Hoare triple {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} assume !(main_#t~mem9#1.base != 0 || main_#t~mem9#1.offset != 0);havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} is VALID [2022-02-20 16:52:46,268 INFO L290 TraceCheckUtils]: 8: Hoare triple {1800#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {1801#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)} is VALID [2022-02-20 16:52:46,269 INFO L290 TraceCheckUtils]: 9: Hoare triple {1801#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1802#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 16:52:46,269 INFO L290 TraceCheckUtils]: 10: Hoare triple {1802#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1803#(= |ULTIMATE.start_main_#t~mem12#1| 1)} is VALID [2022-02-20 16:52:46,269 INFO L290 TraceCheckUtils]: 11: Hoare triple {1803#(= |ULTIMATE.start_main_#t~mem12#1| 1)} assume !!(1 != main_#t~mem12#1);havoc main_#t~mem12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset; {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 12: Hoare triple {1799#false} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 13: Hoare triple {1799#false} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 14: Hoare triple {1799#false} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 15: Hoare triple {1799#false} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 16: Hoare triple {1799#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L290 TraceCheckUtils]: 17: Hoare triple {1799#false} assume !false; {1799#false} is VALID [2022-02-20 16:52:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:46,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:46,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360308871] [2022-02-20 16:52:46,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360308871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:46,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:46,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 16:52:46,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323553445] [2022-02-20 16:52:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:46,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,272 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:46,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,285 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 16:52:46,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:52:46,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:46,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:52:46,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:52:46,286 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,549 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-02-20 16:52:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 16:52:46,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 58 transitions. [2022-02-20 16:52:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 58 transitions. [2022-02-20 16:52:46,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 58 transitions. [2022-02-20 16:52:46,589 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:46,590 INFO L225 Difference]: With dead ends: 68 [2022-02-20 16:52:46,590 INFO L226 Difference]: Without dead ends: 52 [2022-02-20 16:52:46,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:52:46,590 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:46,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 57 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:52:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-20 16:52:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2022-02-20 16:52:46,604 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:46,604 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,604 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,604 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,605 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-02-20 16:52:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-02-20 16:52:46,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:46,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:46,605 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 16:52:46,605 INFO L87 Difference]: Start difference. First operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 52 states. [2022-02-20 16:52:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:46,606 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-02-20 16:52:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-02-20 16:52:46,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:46,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:46,607 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:46,607 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-02-20 16:52:46,608 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2022-02-20 16:52:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:46,608 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-02-20 16:52:46,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 16:52:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-02-20 16:52:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:52:46,609 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:46,609 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:46,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 16:52:46,609 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:52:46,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1935253853, now seen corresponding path program 1 times [2022-02-20 16:52:46,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:46,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555747675] [2022-02-20 16:52:46,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:46,863 INFO L290 TraceCheckUtils]: 0: Hoare triple {2055#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(26, 2); {2055#true} is VALID [2022-02-20 16:52:46,864 INFO L290 TraceCheckUtils]: 1: Hoare triple {2055#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2057#(and (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 16:52:46,865 INFO L290 TraceCheckUtils]: 2: Hoare triple {2057#(and (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2057#(and (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 16:52:46,866 INFO L290 TraceCheckUtils]: 3: Hoare triple {2057#(and (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (or (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:46,867 INFO L290 TraceCheckUtils]: 4: Hoare triple {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:46,867 INFO L290 TraceCheckUtils]: 5: Hoare triple {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:46,868 INFO L290 TraceCheckUtils]: 6: Hoare triple {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:46,869 INFO L290 TraceCheckUtils]: 7: Hoare triple {2058#(and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2059#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 4) 1))))} is VALID [2022-02-20 16:52:46,870 INFO L290 TraceCheckUtils]: 8: Hoare triple {2059#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 4) 1))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:46,871 INFO L290 TraceCheckUtils]: 9: Hoare triple {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:46,871 INFO L290 TraceCheckUtils]: 10: Hoare triple {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:46,872 INFO L290 TraceCheckUtils]: 11: Hoare triple {2060#(and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 4) 1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 16:52:46,872 INFO L290 TraceCheckUtils]: 12: Hoare triple {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 16:52:46,873 INFO L290 TraceCheckUtils]: 13: Hoare triple {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 16:52:46,873 INFO L290 TraceCheckUtils]: 14: Hoare triple {2061#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {2062#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)) (= |ULTIMATE.start_main_~x~0#1.base| 0)))} is VALID [2022-02-20 16:52:46,874 INFO L290 TraceCheckUtils]: 15: Hoare triple {2062#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)) (= |ULTIMATE.start_main_~x~0#1.base| 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2063#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:52:46,874 INFO L290 TraceCheckUtils]: 16: Hoare triple {2063#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2056#false} is VALID [2022-02-20 16:52:46,874 INFO L290 TraceCheckUtils]: 17: Hoare triple {2056#false} assume !false; {2056#false} is VALID [2022-02-20 16:52:46,875 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 16:52:46,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:46,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555747675] [2022-02-20 16:52:46,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555747675] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:46,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943240259] [2022-02-20 16:52:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:46,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:46,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:46,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:46,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 16:52:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:46,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 68 conjunts are in the unsatisfiable core [2022-02-20 16:52:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:46,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:46,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:47,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:47,071 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:52:47,072 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 70 treesize of output 65 [2022-02-20 16:52:47,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2022-02-20 16:52:47,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:47,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:52:47,096 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 22 treesize of output 23 [2022-02-20 16:52:47,112 INFO L356 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2022-02-20 16:52:47,113 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 25 treesize of output 29 [2022-02-20 16:52:47,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:52:47,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:52:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:47,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:47,296 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 43 treesize of output 37 [2022-02-20 16:52:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:47,305 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-02-20 16:52:47,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2022-02-20 16:52:47,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-02-20 16:52:47,714 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-02-20 16:52:47,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 47 [2022-02-20 16:52:47,777 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 16:52:47,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2022-02-20 16:52:47,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:47,865 INFO L290 TraceCheckUtils]: 0: Hoare triple {2055#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(26, 2); {2055#true} is VALID [2022-02-20 16:52:47,866 INFO L290 TraceCheckUtils]: 1: Hoare triple {2055#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2070#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:47,867 INFO L290 TraceCheckUtils]: 2: Hoare triple {2070#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2070#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:47,868 INFO L290 TraceCheckUtils]: 3: Hoare triple {2070#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:47,869 INFO L290 TraceCheckUtils]: 4: Hoare triple {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:47,869 INFO L290 TraceCheckUtils]: 5: Hoare triple {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:47,870 INFO L290 TraceCheckUtils]: 6: Hoare triple {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:47,871 INFO L290 TraceCheckUtils]: 7: Hoare triple {2077#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2090#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:47,872 INFO L290 TraceCheckUtils]: 8: Hoare triple {2090#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:52:47,873 INFO L290 TraceCheckUtils]: 9: Hoare triple {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:52:47,873 INFO L290 TraceCheckUtils]: 10: Hoare triple {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:52:47,874 INFO L290 TraceCheckUtils]: 11: Hoare triple {2094#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} is VALID [2022-02-20 16:52:47,875 INFO L290 TraceCheckUtils]: 12: Hoare triple {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} is VALID [2022-02-20 16:52:47,876 INFO L290 TraceCheckUtils]: 13: Hoare triple {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} is VALID [2022-02-20 16:52:47,877 INFO L290 TraceCheckUtils]: 14: Hoare triple {2104#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_41| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0) 0) (not (= |v_ULTIMATE.start_main_~x~0#1.base_41| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_41|) 0)) 0)) 4) 0)))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {2114#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 16:52:47,878 INFO L290 TraceCheckUtils]: 15: Hoare triple {2114#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2118#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:52:47,878 INFO L290 TraceCheckUtils]: 16: Hoare triple {2118#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2056#false} is VALID [2022-02-20 16:52:47,878 INFO L290 TraceCheckUtils]: 17: Hoare triple {2056#false} assume !false; {2056#false} is VALID [2022-02-20 16:52:47,879 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 16:52:47,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:48,002 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2022-02-20 16:52:48,011 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-02-20 16:52:48,055 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= (select v_arrayElimArr_10 0) |c_ULTIMATE.start_main_~head~0#1.base|)) (not (= |c_ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= 0 (select |c_#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|))))) is different from false [2022-02-20 16:52:48,428 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-02-20 16:52:48,466 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,467 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 578 treesize of output 445 [2022-02-20 16:52:48,491 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,491 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 418 treesize of output 363 [2022-02-20 16:52:48,523 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,523 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 354 treesize of output 283 [2022-02-20 16:52:48,569 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:48,569 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 863 treesize of output 838 [2022-02-20 16:52:48,972 INFO L356 Elim1Store]: treesize reduction 420, result has 42.9 percent of original size [2022-02-20 16:52:48,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 1455 treesize of output 1478 [2022-02-20 16:52:49,096 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 1268 treesize of output 1234 [2022-02-20 16:52:49,172 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 1250 treesize of output 1200 [2022-02-20 16:52:49,251 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:49,251 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 1218 treesize of output 1174 [2022-02-20 16:52:49,352 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:49,353 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 1184 treesize of output 1108 [2022-02-20 16:52:49,458 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:49,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1014 treesize of output 923 [2022-02-20 16:53:29,402 INFO L290 TraceCheckUtils]: 17: Hoare triple {2056#false} assume !false; {2056#false} is VALID [2022-02-20 16:53:29,403 INFO L290 TraceCheckUtils]: 16: Hoare triple {2063#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2056#false} is VALID [2022-02-20 16:53:29,403 INFO L290 TraceCheckUtils]: 15: Hoare triple {2131#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2063#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:53:29,404 INFO L290 TraceCheckUtils]: 14: Hoare triple {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {2131#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:53:29,404 INFO L290 TraceCheckUtils]: 13: Hoare triple {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:29,405 INFO L290 TraceCheckUtils]: 12: Hoare triple {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:29,405 INFO L290 TraceCheckUtils]: 11: Hoare triple {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2135#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:29,406 INFO L290 TraceCheckUtils]: 10: Hoare triple {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} is VALID [2022-02-20 16:53:29,406 INFO L290 TraceCheckUtils]: 9: Hoare triple {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} is VALID [2022-02-20 16:53:29,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {2155#(not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2145#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4)) 1))} is VALID [2022-02-20 16:53:29,411 WARN L290 TraceCheckUtils]: 7: Hoare triple {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2155#(not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4))))} is UNKNOWN [2022-02-20 16:53:29,412 INFO L290 TraceCheckUtils]: 6: Hoare triple {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} is VALID [2022-02-20 16:53:29,413 INFO L290 TraceCheckUtils]: 5: Hoare triple {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} is VALID [2022-02-20 16:53:29,414 INFO L290 TraceCheckUtils]: 4: Hoare triple {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} is VALID [2022-02-20 16:53:29,415 INFO L290 TraceCheckUtils]: 3: Hoare triple {2172#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_arrayElimCell_55 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_55 1) |v_ULTIMATE.start_main_~head~0#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_55 |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~head~0#1.base_16| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| v_arrayElimCell_55) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2159#(forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimArr_10 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_ArrVal_419 (Array Int Int))) (or (not (= (select v_arrayElimArr_10 0) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_16| v_ArrVal_419) (select (select (store |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_10) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_16| v_arrayElimArr_11) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) (not (= |ULTIMATE.start_main_~head~0#1.offset| (select v_arrayElimArr_11 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_16|) 0))))} is VALID [2022-02-20 16:53:29,416 INFO L290 TraceCheckUtils]: 2: Hoare triple {2172#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_arrayElimCell_55 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_55 1) |v_ULTIMATE.start_main_~head~0#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_55 |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~head~0#1.base_16| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| v_arrayElimCell_55) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2172#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_arrayElimCell_55 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_55 1) |v_ULTIMATE.start_main_~head~0#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_55 |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~head~0#1.base_16| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| v_arrayElimCell_55) 0))))} is VALID [2022-02-20 16:53:29,417 INFO L290 TraceCheckUtils]: 1: Hoare triple {2055#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2172#(forall ((|v_ULTIMATE.start_main_~head~0#1.base_16| Int) (v_arrayElimCell_55 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_55 1) |v_ULTIMATE.start_main_~head~0#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_55 |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~head~0#1.base_16| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| v_arrayElimCell_55) 0))))} is VALID [2022-02-20 16:53:29,418 INFO L290 TraceCheckUtils]: 0: Hoare triple {2055#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(26, 2); {2055#true} is VALID [2022-02-20 16:53:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:53:29,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943240259] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:29,418 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:29,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-02-20 16:53:29,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407057615] [2022-02-20 16:53:29,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:29,419 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:53:29,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:29,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 48 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:29,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 16:53:29,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:29,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 16:53:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=370, Unknown=1, NotChecked=38, Total=462 [2022-02-20 16:53:29,470 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:30,667 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2022-02-20 16:53:30,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 16:53:30,667 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:53:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 57 transitions. [2022-02-20 16:53:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 57 transitions. [2022-02-20 16:53:30,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 57 transitions. [2022-02-20 16:53:30,737 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:30,737 INFO L225 Difference]: With dead ends: 62 [2022-02-20 16:53:30,737 INFO L226 Difference]: Without dead ends: 60 [2022-02-20 16:53:30,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=739, Unknown=2, NotChecked=56, Total=930 [2022-02-20 16:53:30,738 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 95 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:30,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 177 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 212 Invalid, 0 Unknown, 69 Unchecked, 0.3s Time] [2022-02-20 16:53:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-02-20 16:53:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2022-02-20 16:53:30,768 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:30,768 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,769 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,769 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:30,783 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2022-02-20 16:53:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-02-20 16:53:30,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:30,784 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:30,784 INFO L74 IsIncluded]: Start isIncluded. First operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 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 60 states. [2022-02-20 16:53:30,784 INFO L87 Difference]: Start difference. First operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 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 60 states. [2022-02-20 16:53:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:30,785 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2022-02-20 16:53:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-02-20 16:53:30,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:30,786 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:30,786 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:30,786 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2022-02-20 16:53:30,787 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 18 [2022-02-20 16:53:30,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:30,787 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2022-02-20 16:53:30,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-02-20 16:53:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 16:53:30,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:30,788 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:30,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:31,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:31,004 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:53:31,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1427704415, now seen corresponding path program 1 times [2022-02-20 16:53:31,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:31,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578268117] [2022-02-20 16:53:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:31,241 INFO L290 TraceCheckUtils]: 0: Hoare triple {2466#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(26, 2); {2466#true} is VALID [2022-02-20 16:53:31,242 INFO L290 TraceCheckUtils]: 1: Hoare triple {2466#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,242 INFO L290 TraceCheckUtils]: 2: Hoare triple {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,244 INFO L290 TraceCheckUtils]: 3: Hoare triple {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,244 INFO L290 TraceCheckUtils]: 4: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,245 INFO L290 TraceCheckUtils]: 5: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,245 INFO L290 TraceCheckUtils]: 6: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,250 INFO L290 TraceCheckUtils]: 7: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,251 INFO L290 TraceCheckUtils]: 8: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,252 INFO L290 TraceCheckUtils]: 9: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(main_#t~mem9#1.base != 0 || main_#t~mem9#1.offset != 0);havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,252 INFO L290 TraceCheckUtils]: 10: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:31,254 INFO L290 TraceCheckUtils]: 11: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {2471#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,254 INFO L290 TraceCheckUtils]: 12: Hoare triple {2471#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,255 INFO L290 TraceCheckUtils]: 13: Hoare triple {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,255 INFO L290 TraceCheckUtils]: 14: Hoare triple {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:31,256 INFO L290 TraceCheckUtils]: 15: Hoare triple {2472#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2473#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:53:31,256 INFO L290 TraceCheckUtils]: 16: Hoare triple {2473#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2474#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:53:31,257 INFO L290 TraceCheckUtils]: 17: Hoare triple {2474#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2467#false} is VALID [2022-02-20 16:53:31,257 INFO L290 TraceCheckUtils]: 18: Hoare triple {2467#false} assume !false; {2467#false} is VALID [2022-02-20 16:53:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:31,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:31,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578268117] [2022-02-20 16:53:31,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578268117] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:31,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040358177] [2022-02-20 16:53:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:31,259 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:31,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 16:53:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:31,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-20 16:53:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:31,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:31,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:31,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:31,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:31,461 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:53:31,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2022-02-20 16:53:31,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:31,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:53:31,477 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 22 treesize of output 23 [2022-02-20 16:53:31,483 INFO L356 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-02-20 16:53:31,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-02-20 16:53:31,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2022-02-20 16:53:31,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:53:31,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:53:31,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-02-20 16:53:31,718 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 16:53:31,912 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 29 treesize of output 17 [2022-02-20 16:53:31,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:32,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:32,096 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-02-20 16:53:32,110 INFO L290 TraceCheckUtils]: 0: Hoare triple {2466#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(26, 2); {2466#true} is VALID [2022-02-20 16:53:32,111 INFO L290 TraceCheckUtils]: 1: Hoare triple {2466#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,112 INFO L290 TraceCheckUtils]: 2: Hoare triple {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,113 INFO L290 TraceCheckUtils]: 3: Hoare triple {2468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,113 INFO L290 TraceCheckUtils]: 4: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,114 INFO L290 TraceCheckUtils]: 5: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,115 INFO L290 TraceCheckUtils]: 6: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,116 INFO L290 TraceCheckUtils]: 8: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(main_#t~mem9#1.base != 0 || main_#t~mem9#1.offset != 0);havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,117 INFO L290 TraceCheckUtils]: 10: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1; {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:32,118 INFO L290 TraceCheckUtils]: 11: Hoare triple {2470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,119 INFO L290 TraceCheckUtils]: 12: Hoare triple {2469#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,119 INFO L290 TraceCheckUtils]: 13: Hoare triple {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,120 INFO L290 TraceCheckUtils]: 14: Hoare triple {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:32,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {2514#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2524#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_49| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_49| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_49|)) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_49|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 16:53:32,121 INFO L290 TraceCheckUtils]: 16: Hoare triple {2524#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_49| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_49| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_49|)) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_49|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2474#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:53:32,122 INFO L290 TraceCheckUtils]: 17: Hoare triple {2474#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2467#false} is VALID [2022-02-20 16:53:32,122 INFO L290 TraceCheckUtils]: 18: Hoare triple {2467#false} assume !false; {2467#false} is VALID [2022-02-20 16:53:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:32,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:32,197 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 84 treesize of output 80 [2022-02-20 16:53:32,207 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 52 treesize of output 48 [2022-02-20 16:53:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:32,230 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse0 (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (and (or (not .cse0) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|)) (+ 4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) 1))) (not .cse1)) (or (and .cse1 .cse0) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))))) is different from false [2022-02-20 16:53:32,342 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 1))) is different from false [2022-02-20 16:53:32,412 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,412 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 54 treesize of output 55 [2022-02-20 16:53:32,427 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,428 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 137 treesize of output 108 [2022-02-20 16:53:32,438 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,438 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 90 treesize of output 85 [2022-02-20 16:53:32,449 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,449 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 61 [2022-02-20 16:53:32,469 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,469 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 107 treesize of output 106 [2022-02-20 16:53:32,564 INFO L356 Elim1Store]: treesize reduction 54, result has 63.3 percent of original size [2022-02-20 16:53:32,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 171 treesize of output 227 [2022-02-20 16:53:32,580 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 179 treesize of output 163 [2022-02-20 16:53:32,593 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 169 treesize of output 157 [2022-02-20 16:53:32,611 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:32,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 115 [2022-02-20 16:53:33,352 INFO L290 TraceCheckUtils]: 18: Hoare triple {2467#false} assume !false; {2467#false} is VALID [2022-02-20 16:53:33,353 INFO L290 TraceCheckUtils]: 17: Hoare triple {2537#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2467#false} is VALID [2022-02-20 16:53:33,353 INFO L290 TraceCheckUtils]: 16: Hoare triple {2541#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2537#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:53:33,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2541#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:53:33,354 INFO L290 TraceCheckUtils]: 14: Hoare triple {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:33,354 INFO L290 TraceCheckUtils]: 13: Hoare triple {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:33,355 INFO L290 TraceCheckUtils]: 12: Hoare triple {2555#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2545#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:33,359 WARN L290 TraceCheckUtils]: 11: Hoare triple {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {2555#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is UNKNOWN [2022-02-20 16:53:33,360 INFO L290 TraceCheckUtils]: 10: Hoare triple {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1; {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 16:53:33,361 INFO L290 TraceCheckUtils]: 9: Hoare triple {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume !!(main_#t~mem9#1.base != 0 || main_#t~mem9#1.offset != 0);havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647; {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 16:53:33,362 INFO L290 TraceCheckUtils]: 8: Hoare triple {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 16:53:33,363 INFO L290 TraceCheckUtils]: 7: Hoare triple {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2559#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_arrayElimCell_90 Int) (v_ArrVal_544 (Array Int Int)) (v_arrayElimCell_89 Int)) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) v_arrayElimCell_89) (+ 4 v_arrayElimCell_90)) 1)))) (or (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 16:53:33,364 INFO L290 TraceCheckUtils]: 6: Hoare triple {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} is VALID [2022-02-20 16:53:33,364 INFO L290 TraceCheckUtils]: 5: Hoare triple {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} is VALID [2022-02-20 16:53:33,365 INFO L290 TraceCheckUtils]: 4: Hoare triple {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} is VALID [2022-02-20 16:53:33,366 INFO L290 TraceCheckUtils]: 3: Hoare triple {2585#(forall ((v_arrayElimCell_91 Int)) (or (not (= (select |#valid| v_arrayElimCell_91) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_91 |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2572#(forall ((v_ArrVal_544 (Array Int Int))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| v_ArrVal_544) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)))} is VALID [2022-02-20 16:53:33,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {2585#(forall ((v_arrayElimCell_91 Int)) (or (not (= (select |#valid| v_arrayElimCell_91) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_91 |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2585#(forall ((v_arrayElimCell_91 Int)) (or (not (= (select |#valid| v_arrayElimCell_91) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_91 |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 16:53:33,368 INFO L290 TraceCheckUtils]: 1: Hoare triple {2466#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2585#(forall ((v_arrayElimCell_91 Int)) (or (not (= (select |#valid| v_arrayElimCell_91) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_91 |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 16:53:33,368 INFO L290 TraceCheckUtils]: 0: Hoare triple {2466#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(26, 2); {2466#true} is VALID [2022-02-20 16:53:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:53:33,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040358177] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:33,371 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:33,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 18 [2022-02-20 16:53:33,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098163680] [2022-02-20 16:53:33,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:33,372 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 16:53:33,373 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:33,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,417 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 41 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:33,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-20 16:53:33,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:33,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-20 16:53:33,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=196, Unknown=2, NotChecked=58, Total=306 [2022-02-20 16:53:33,418 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:33,846 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions. [2022-02-20 16:53:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 16:53:33,846 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 16:53:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-02-20 16:53:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-02-20 16:53:33,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 63 transitions. [2022-02-20 16:53:33,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:33,902 INFO L225 Difference]: With dead ends: 71 [2022-02-20 16:53:33,902 INFO L226 Difference]: Without dead ends: 69 [2022-02-20 16:53:33,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=334, Unknown=2, NotChecked=78, Total=506 [2022-02-20 16:53:33,903 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 51 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:33,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 149 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 95 Invalid, 0 Unknown, 90 Unchecked, 0.1s Time] [2022-02-20 16:53:33,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-02-20 16:53:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2022-02-20 16:53:33,922 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:33,922 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,922 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,923 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:33,924 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2022-02-20 16:53:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2022-02-20 16:53:33,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:33,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:33,925 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 69 states. [2022-02-20 16:53:33,925 INFO L87 Difference]: Start difference. First operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 69 states. [2022-02-20 16:53:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:33,926 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2022-02-20 16:53:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2022-02-20 16:53:33,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:33,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:33,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:33,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-02-20 16:53:33,927 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 19 [2022-02-20 16:53:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:33,927 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-02-20 16:53:33,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-02-20 16:53:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 16:53:33,928 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:33,928 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:33,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:34,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:34,156 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:53:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1115654716, now seen corresponding path program 2 times [2022-02-20 16:53:34,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:34,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809358326] [2022-02-20 16:53:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:34,305 INFO L290 TraceCheckUtils]: 0: Hoare triple {2912#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(26, 2); {2912#true} is VALID [2022-02-20 16:53:34,306 INFO L290 TraceCheckUtils]: 1: Hoare triple {2912#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2914#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:34,306 INFO L290 TraceCheckUtils]: 2: Hoare triple {2914#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2914#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:34,308 INFO L290 TraceCheckUtils]: 3: Hoare triple {2914#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:34,309 INFO L290 TraceCheckUtils]: 4: Hoare triple {2915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:34,310 INFO L290 TraceCheckUtils]: 5: Hoare triple {2915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2916#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,311 INFO L290 TraceCheckUtils]: 6: Hoare triple {2916#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2916#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,312 INFO L290 TraceCheckUtils]: 7: Hoare triple {2916#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,312 INFO L290 TraceCheckUtils]: 8: Hoare triple {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,313 INFO L290 TraceCheckUtils]: 9: Hoare triple {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,313 INFO L290 TraceCheckUtils]: 10: Hoare triple {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} is VALID [2022-02-20 16:53:34,314 INFO L290 TraceCheckUtils]: 11: Hoare triple {2917#(and (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2918#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:34,315 INFO L290 TraceCheckUtils]: 12: Hoare triple {2918#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:34,316 INFO L290 TraceCheckUtils]: 13: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:34,316 INFO L290 TraceCheckUtils]: 14: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:34,317 INFO L290 TraceCheckUtils]: 15: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2920#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:53:34,317 INFO L290 TraceCheckUtils]: 16: Hoare triple {2920#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2921#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:53:34,317 INFO L290 TraceCheckUtils]: 17: Hoare triple {2921#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2913#false} is VALID [2022-02-20 16:53:34,318 INFO L290 TraceCheckUtils]: 18: Hoare triple {2913#false} assume !false; {2913#false} is VALID [2022-02-20 16:53:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:34,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:34,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809358326] [2022-02-20 16:53:34,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809358326] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:34,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136838856] [2022-02-20 16:53:34,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:53:34,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:34,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:34,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:34,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 16:53:34,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:53:34,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:53:34,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 63 conjunts are in the unsatisfiable core [2022-02-20 16:53:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:34,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:34,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:34,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:53:34,583 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:53:34,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:53:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:34,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:53:34,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:53:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:34,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:53:34,749 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-02-20 16:53:34,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-02-20 16:53:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:35,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:53:35,215 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-02-20 16:53:35,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2022-02-20 16:53:37,093 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 16:53:37,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 16:53:37,356 INFO L356 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2022-02-20 16:53:37,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 36 [2022-02-20 16:53:37,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:53:37,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:37,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-02-20 16:53:37,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:37,708 INFO L290 TraceCheckUtils]: 0: Hoare triple {2912#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(26, 2); {2912#true} is VALID [2022-02-20 16:53:37,709 INFO L290 TraceCheckUtils]: 1: Hoare triple {2912#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2928#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,710 INFO L290 TraceCheckUtils]: 2: Hoare triple {2928#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2928#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,711 INFO L290 TraceCheckUtils]: 3: Hoare triple {2928#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,712 INFO L290 TraceCheckUtils]: 4: Hoare triple {2935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {2935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2942#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.base_57| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,717 INFO L290 TraceCheckUtils]: 6: Hoare triple {2942#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.base_57| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2942#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.base_57| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,719 INFO L290 TraceCheckUtils]: 7: Hoare triple {2942#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.base_57| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,721 INFO L290 TraceCheckUtils]: 9: Hoare triple {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,722 INFO L290 TraceCheckUtils]: 10: Hoare triple {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:37,724 INFO L290 TraceCheckUtils]: 11: Hoare triple {2949#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (|v_ULTIMATE.start_main_~x~0#1.base_57| Int) (|v_ULTIMATE.start_main_~x~0#1.base_58| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_57|) 1) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |v_ULTIMATE.start_main_~x~0#1.base_57|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_57| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2962#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:37,725 INFO L290 TraceCheckUtils]: 12: Hoare triple {2962#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:37,726 INFO L290 TraceCheckUtils]: 13: Hoare triple {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:37,726 INFO L290 TraceCheckUtils]: 14: Hoare triple {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:37,727 INFO L290 TraceCheckUtils]: 15: Hoare triple {2966#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2976#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 16:53:37,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {2976#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2980#(= |ULTIMATE.start_main_#t~mem15#1| 0)} is VALID [2022-02-20 16:53:37,728 INFO L290 TraceCheckUtils]: 17: Hoare triple {2980#(= |ULTIMATE.start_main_#t~mem15#1| 0)} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2913#false} is VALID [2022-02-20 16:53:37,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {2913#false} assume !false; {2913#false} is VALID [2022-02-20 16:53:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:37,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:37,787 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 1)))) is different from false [2022-02-20 16:53:39,747 INFO L290 TraceCheckUtils]: 18: Hoare triple {2913#false} assume !false; {2913#false} is VALID [2022-02-20 16:53:39,747 INFO L290 TraceCheckUtils]: 17: Hoare triple {2921#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {2913#false} is VALID [2022-02-20 16:53:39,748 INFO L290 TraceCheckUtils]: 16: Hoare triple {2920#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2921#(not (= |ULTIMATE.start_main_#t~mem15#1| 1))} is VALID [2022-02-20 16:53:39,748 INFO L290 TraceCheckUtils]: 15: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2920#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1))} is VALID [2022-02-20 16:53:39,749 INFO L290 TraceCheckUtils]: 14: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:39,749 INFO L290 TraceCheckUtils]: 13: Hoare triple {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:39,749 INFO L290 TraceCheckUtils]: 12: Hoare triple {2918#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2919#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:39,751 INFO L290 TraceCheckUtils]: 11: Hoare triple {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {2918#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:39,751 INFO L290 TraceCheckUtils]: 10: Hoare triple {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} is VALID [2022-02-20 16:53:39,752 INFO L290 TraceCheckUtils]: 9: Hoare triple {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} is VALID [2022-02-20 16:53:39,752 INFO L290 TraceCheckUtils]: 8: Hoare triple {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} is VALID [2022-02-20 16:53:39,754 INFO L290 TraceCheckUtils]: 7: Hoare triple {3021#(forall ((v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {3008#(forall ((v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store |#memory_int| |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_~head~0#1.base_20|)))))} is VALID [2022-02-20 16:53:39,755 WARN L290 TraceCheckUtils]: 6: Hoare triple {3021#(forall ((v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3021#(forall ((v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0))))} is UNKNOWN [2022-02-20 16:53:39,757 INFO L290 TraceCheckUtils]: 5: Hoare triple {3028#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= 0 (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {3021#(forall ((v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0))))} is VALID [2022-02-20 16:53:39,759 WARN L290 TraceCheckUtils]: 4: Hoare triple {3028#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= 0 (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3028#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= 0 (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is UNKNOWN [2022-02-20 16:53:39,762 INFO L290 TraceCheckUtils]: 3: Hoare triple {3035#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_66| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_738 Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66|) 0)) (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= (select (select (store (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_738)) |v_ULTIMATE.start_main_~x~0#1.base_66| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {3028#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= 0 (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:53:39,764 WARN L290 TraceCheckUtils]: 2: Hoare triple {3035#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_66| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_738 Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66|) 0)) (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= (select (select (store (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_738)) |v_ULTIMATE.start_main_~x~0#1.base_66| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3035#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_66| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_738 Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66|) 0)) (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= (select (select (store (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_738)) |v_ULTIMATE.start_main_~x~0#1.base_66| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is UNKNOWN [2022-02-20 16:53:39,766 INFO L290 TraceCheckUtils]: 1: Hoare triple {2912#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3035#(forall ((v_ArrVal_744 (Array Int Int)) (v_ArrVal_746 (Array Int Int)) (v_ArrVal_745 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.base_64| Int) (|v_ULTIMATE.start_main_~x~0#1.base_66| Int) (|v_ULTIMATE.start_main_~x~0#1.base_65| Int) (v_ArrVal_738 Int) (v_ArrVal_751 (Array Int Int)) (|v_ULTIMATE.start_main_~head~0#1.base_20| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66|) 0)) (not (= (select (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64|) 0)) (not (= (select (store (store (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_66| 1) |v_ULTIMATE.start_main_~x~0#1.base_65| 1) |v_ULTIMATE.start_main_~x~0#1.base_64| 1) |v_ULTIMATE.start_main_~head~0#1.base_20|) 0)) (not (= (select (select (store (store (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_738)) |v_ULTIMATE.start_main_~x~0#1.base_66| v_ArrVal_744) |v_ULTIMATE.start_main_~x~0#1.base_65| v_ArrVal_746) |v_ULTIMATE.start_main_~x~0#1.base_64| v_ArrVal_745) |v_ULTIMATE.start_main_~head~0#1.base_20| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1))))} is VALID [2022-02-20 16:53:39,766 INFO L290 TraceCheckUtils]: 0: Hoare triple {2912#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(26, 2); {2912#true} is VALID [2022-02-20 16:53:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-02-20 16:53:39,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136838856] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:39,766 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:39,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2022-02-20 16:53:39,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900120056] [2022-02-20 16:53:39,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:39,767 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 16:53:39,767 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:39,767 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,862 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 44 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:39,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 16:53:39,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:39,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 16:53:39,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=342, Unknown=6, NotChecked=38, Total=462 [2022-02-20 16:53:39,863 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:40,955 INFO L93 Difference]: Finished difference Result 76 states and 90 transitions. [2022-02-20 16:53:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 16:53:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 16:53:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 63 transitions. [2022-02-20 16:53:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 63 transitions. [2022-02-20 16:53:40,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 63 transitions. [2022-02-20 16:53:41,057 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:41,058 INFO L225 Difference]: With dead ends: 76 [2022-02-20 16:53:41,058 INFO L226 Difference]: Without dead ends: 74 [2022-02-20 16:53:41,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=168, Invalid=642, Unknown=6, NotChecked=54, Total=870 [2022-02-20 16:53:41,059 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 80 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:41,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 122 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 90 Invalid, 0 Unknown, 81 Unchecked, 0.1s Time] [2022-02-20 16:53:41,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-02-20 16:53:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 38. [2022-02-20 16:53:41,083 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:41,084 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:41,084 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:41,084 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:41,085 INFO L93 Difference]: Finished difference Result 74 states and 87 transitions. [2022-02-20 16:53:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-02-20 16:53:41,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:41,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:41,085 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 74 states. [2022-02-20 16:53:41,085 INFO L87 Difference]: Start difference. First operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 74 states. [2022-02-20 16:53:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:41,089 INFO L93 Difference]: Finished difference Result 74 states and 87 transitions. [2022-02-20 16:53:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-02-20 16:53:41,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:41,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:41,089 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:41,089 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2022-02-20 16:53:41,090 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 19 [2022-02-20 16:53:41,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:41,091 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2022-02-20 16:53:41,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-02-20 16:53:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:53:41,091 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:41,091 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:41,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:41,311 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,SelfDestructingSolverStorable9 [2022-02-20 16:53:41,311 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:53:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:41,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1819578926, now seen corresponding path program 2 times [2022-02-20 16:53:41,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:41,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070947922] [2022-02-20 16:53:41,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:41,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:41,466 INFO L290 TraceCheckUtils]: 0: Hoare triple {3360#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(26, 2); {3360#true} is VALID [2022-02-20 16:53:41,467 INFO L290 TraceCheckUtils]: 1: Hoare triple {3360#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3362#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:41,468 INFO L290 TraceCheckUtils]: 2: Hoare triple {3362#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3362#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:41,469 INFO L290 TraceCheckUtils]: 3: Hoare triple {3362#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 16:53:41,470 INFO L290 TraceCheckUtils]: 4: Hoare triple {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 16:53:41,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 16:53:41,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 16:53:41,472 INFO L290 TraceCheckUtils]: 7: Hoare triple {3363#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {3364#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 0))} is VALID [2022-02-20 16:53:41,472 INFO L290 TraceCheckUtils]: 8: Hoare triple {3364#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 16:53:41,473 INFO L290 TraceCheckUtils]: 9: Hoare triple {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 16:53:41,473 INFO L290 TraceCheckUtils]: 10: Hoare triple {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 16:53:41,474 INFO L290 TraceCheckUtils]: 11: Hoare triple {3365#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) 0))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:41,474 INFO L290 TraceCheckUtils]: 12: Hoare triple {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:41,475 INFO L290 TraceCheckUtils]: 13: Hoare triple {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:41,475 INFO L290 TraceCheckUtils]: 14: Hoare triple {3366#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:41,475 INFO L290 TraceCheckUtils]: 15: Hoare triple {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:41,476 INFO L290 TraceCheckUtils]: 16: Hoare triple {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:41,476 INFO L290 TraceCheckUtils]: 17: Hoare triple {3367#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {3368#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:53:41,477 INFO L290 TraceCheckUtils]: 18: Hoare triple {3368#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3361#false} is VALID [2022-02-20 16:53:41,477 INFO L290 TraceCheckUtils]: 19: Hoare triple {3361#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {3361#false} is VALID [2022-02-20 16:53:41,477 INFO L290 TraceCheckUtils]: 20: Hoare triple {3361#false} assume !false; {3361#false} is VALID [2022-02-20 16:53:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:41,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:41,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070947922] [2022-02-20 16:53:41,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070947922] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:41,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123730758] [2022-02-20 16:53:41,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:53:41,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:41,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:41,479 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:41,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 16:53:41,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:53:41,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:53:41,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-20 16:53:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:41,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:41,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:41,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-02-20 16:53:41,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-02-20 16:53:41,696 INFO L356 Elim1Store]: treesize reduction 18, result has 21.7 percent of original size [2022-02-20 16:53:41,697 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 46 treesize of output 45 [2022-02-20 16:53:41,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:41,700 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 23 [2022-02-20 16:53:41,711 INFO L356 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2022-02-20 16:53:41,712 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 25 treesize of output 29 [2022-02-20 16:53:41,715 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 12 treesize of output 11 [2022-02-20 16:53:41,719 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 12 treesize of output 11 [2022-02-20 16:53:41,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:53:41,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2022-02-20 16:53:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:41,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2022-02-20 16:53:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:41,986 INFO L356 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-02-20 16:53:41,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 52 [2022-02-20 16:53:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:41,994 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-02-20 16:53:41,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2022-02-20 16:53:42,827 INFO L356 Elim1Store]: treesize reduction 85, result has 11.5 percent of original size [2022-02-20 16:53:42,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 132 treesize of output 74 [2022-02-20 16:53:42,946 INFO L356 Elim1Store]: treesize reduction 10, result has 41.2 percent of original size [2022-02-20 16:53:42,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 25 [2022-02-20 16:53:43,013 INFO L290 TraceCheckUtils]: 0: Hoare triple {3360#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(26, 2); {3360#true} is VALID [2022-02-20 16:53:43,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {3360#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3375#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:43,015 INFO L290 TraceCheckUtils]: 2: Hoare triple {3375#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3375#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:43,016 INFO L290 TraceCheckUtils]: 3: Hoare triple {3375#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:43,017 INFO L290 TraceCheckUtils]: 4: Hoare triple {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:43,018 INFO L290 TraceCheckUtils]: 5: Hoare triple {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:43,019 INFO L290 TraceCheckUtils]: 6: Hoare triple {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:43,020 INFO L290 TraceCheckUtils]: 7: Hoare triple {3382#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {3395#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:43,021 INFO L290 TraceCheckUtils]: 8: Hoare triple {3395#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:53:43,022 INFO L290 TraceCheckUtils]: 9: Hoare triple {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:53:43,023 INFO L290 TraceCheckUtils]: 10: Hoare triple {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} assume !(1 != main_#t~mem12#1);havoc main_#t~mem12#1; {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:53:43,024 INFO L290 TraceCheckUtils]: 11: Hoare triple {3399#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) |ULTIMATE.start_main_~x~0#1.base|)))} call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} is VALID [2022-02-20 16:53:43,025 INFO L290 TraceCheckUtils]: 12: Hoare triple {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} is VALID [2022-02-20 16:53:43,026 INFO L290 TraceCheckUtils]: 13: Hoare triple {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} is VALID [2022-02-20 16:53:43,028 INFO L290 TraceCheckUtils]: 14: Hoare triple {3409#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0)))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} is VALID [2022-02-20 16:53:43,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} is VALID [2022-02-20 16:53:43,030 INFO L290 TraceCheckUtils]: 16: Hoare triple {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} is VALID [2022-02-20 16:53:43,031 INFO L290 TraceCheckUtils]: 17: Hoare triple {3419#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_69| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0) |v_ULTIMATE.start_main_~x~0#1.base_69|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) |ULTIMATE.start_main_~x~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) 0)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_69|) 0)))))} call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {3368#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:53:43,031 INFO L290 TraceCheckUtils]: 18: Hoare triple {3368#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3361#false} is VALID [2022-02-20 16:53:43,032 INFO L290 TraceCheckUtils]: 19: Hoare triple {3361#false} assume 1 == main_#t~mem15#1;havoc main_#t~mem15#1; {3361#false} is VALID [2022-02-20 16:53:43,032 INFO L290 TraceCheckUtils]: 20: Hoare triple {3361#false} assume !false; {3361#false} is VALID [2022-02-20 16:53:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:43,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:43,144 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:43,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 65 [2022-02-20 16:53:43,151 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:43,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 56 [2022-02-20 16:53:43,275 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~head~0#1.base_23| Int) (v_arrayElimArr_26 (Array Int Int)) (v_arrayElimArr_25 (Array Int Int))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~head~0#1.base_23|) 0)) (not (= |c_ULTIMATE.start_main_~head~0#1.base| (select v_arrayElimArr_25 0))) (let ((.cse0 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~head~0#1.base_23| v_arrayElimArr_26)) (.cse3 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~head~0#1.base_23| v_arrayElimArr_25))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse2 (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (and (= (select (select .cse0 .cse1) .cse2) 0) (= (select (select .cse3 .cse1) .cse2) 0)))) (not (= (select v_arrayElimArr_26 0) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 16:53:43,763 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:43,763 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 133 treesize of output 118 [2022-02-20 16:53:43,834 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:43,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 1884 treesize of output 1396 [2022-02-20 16:53:43,891 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:43,891 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 1429 treesize of output 1277 [2022-02-20 16:53:44,594 INFO L356 Elim1Store]: treesize reduction 366, result has 58.8 percent of original size [2022-02-20 16:53:44,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 12 new quantified variables, introduced 55 case distinctions, treesize of input 3134 treesize of output 3407 [2022-02-20 16:53:44,884 INFO L356 Elim1Store]: treesize reduction 8, result has 92.7 percent of original size [2022-02-20 16:53:44,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2830 treesize of output 2676 [2022-02-20 16:53:45,172 INFO L356 Elim1Store]: treesize reduction 8, result has 92.1 percent of original size [2022-02-20 16:53:45,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 2868 treesize of output 2746 [2022-02-20 16:53:45,611 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:45,612 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 3075 treesize of output 3004 [2022-02-20 16:53:46,095 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:46,096 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 3524 treesize of output 3458