./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7e1ff0e6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/bitvector/s3_clnt_1.BV.c.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7240b4a616bbd5a6447a6e03209b9158e2a4b337a269ec79ea95845f8de6a0b8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 01:53:36,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 01:53:36,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 01:53:36,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 01:53:36,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 01:53:36,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 01:53:36,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 01:53:36,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 01:53:36,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 01:53:36,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 01:53:36,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 01:53:36,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 01:53:36,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 01:53:36,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 01:53:36,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 01:53:36,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 01:53:36,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 01:53:36,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 01:53:36,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 01:53:36,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 01:53:36,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 01:53:36,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 01:53:36,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 01:53:36,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 01:53:36,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 01:53:36,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 01:53:36,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 01:53:36,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 01:53:36,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 01:53:36,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 01:53:36,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 01:53:36,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 01:53:36,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 01:53:36,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 01:53:36,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 01:53:36,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 01:53:36,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 01:53:36,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 01:53:36,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 01:53:36,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 01:53:36,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 01:53:36,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 01:53:36,582 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 01:53:36,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 01:53:36,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 01:53:36,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 01:53:36,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 01:53:36,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 01:53:36,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 01:53:36,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 01:53:36,587 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 01:53:36,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 01:53:36,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 01:53:36,589 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 01:53:36,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 01:53:36,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 01:53:36,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 01:53:36,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 01:53:36,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 01:53:36,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 01:53:36,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 01:53:36,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 01:53:36,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 01:53:36,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 01:53:36,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 01:53:36,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 01:53:36,592 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 01:53:36,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 01:53:36,592 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 01:53:36,593 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7240b4a616bbd5a6447a6e03209b9158e2a4b337a269ec79ea95845f8de6a0b8 [2023-02-15 01:53:36,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 01:53:36,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 01:53:36,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 01:53:36,887 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 01:53:36,887 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 01:53:36,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2023-02-15 01:53:38,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 01:53:38,297 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 01:53:38,298 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2023-02-15 01:53:38,306 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb11706e/7aa6d91a819e4c329e31d4fe61d45f05/FLAG7fe71a1cb [2023-02-15 01:53:38,318 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb11706e/7aa6d91a819e4c329e31d4fe61d45f05 [2023-02-15 01:53:38,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 01:53:38,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 01:53:38,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 01:53:38,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 01:53:38,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 01:53:38,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb40820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38, skipping insertion in model container [2023-02-15 01:53:38,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 01:53:38,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 01:53:38,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c[37850,37863] [2023-02-15 01:53:38,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 01:53:38,628 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 01:53:38,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c[37850,37863] [2023-02-15 01:53:38,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 01:53:38,678 INFO L208 MainTranslator]: Completed translation [2023-02-15 01:53:38,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38 WrapperNode [2023-02-15 01:53:38,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 01:53:38,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 01:53:38,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 01:53:38,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 01:53:38,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,747 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 520 [2023-02-15 01:53:38,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 01:53:38,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 01:53:38,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 01:53:38,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 01:53:38,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 01:53:38,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 01:53:38,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 01:53:38,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 01:53:38,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (1/1) ... [2023-02-15 01:53:38,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 01:53:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 01:53:38,842 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) [2023-02-15 01:53:38,868 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 [2023-02-15 01:53:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 01:53:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 01:53:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 01:53:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 01:53:39,005 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 01:53:39,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 01:53:39,024 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-15 01:53:39,563 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2023-02-15 01:53:39,564 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2023-02-15 01:53:39,564 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 01:53:39,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 01:53:39,571 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 01:53:39,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:53:39 BoogieIcfgContainer [2023-02-15 01:53:39,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 01:53:39,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 01:53:39,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 01:53:39,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 01:53:39,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:53:38" (1/3) ... [2023-02-15 01:53:39,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb9a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:53:39, skipping insertion in model container [2023-02-15 01:53:39,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:53:38" (2/3) ... [2023-02-15 01:53:39,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb9a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:53:39, skipping insertion in model container [2023-02-15 01:53:39,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:53:39" (3/3) ... [2023-02-15 01:53:39,582 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2.c [2023-02-15 01:53:39,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 01:53:39,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-02-15 01:53:39,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 01:53:39,654 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53a00374, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 01:53:39,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-02-15 01:53:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 148 states have (on average 1.777027027027027) internal successors, (263), 174 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 01:53:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 01:53:39,664 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 01:53:39,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 01:53:39,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2023-02-15 01:53:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 01:53:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2023-02-15 01:53:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 01:53:39,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993377646] [2023-02-15 01:53:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 01:53:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 01:53:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 01:53:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 01:53:39,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 01:53:39,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993377646] [2023-02-15 01:53:39,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993377646] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 01:53:39,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 01:53:39,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 01:53:39,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298544038] [2023-02-15 01:53:39,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 01:53:39,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 01:53:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 01:53:39,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 01:53:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 01:53:39,971 INFO L87 Difference]: Start difference. First operand has 175 states, 148 states have (on average 1.777027027027027) internal successors, (263), 174 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 01:53:40,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 01:53:40,052 INFO L93 Difference]: Finished difference Result 186 states and 274 transitions. [2023-02-15 01:53:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 01:53:40,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2023-02-15 01:53:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 01:53:40,066 INFO L225 Difference]: With dead ends: 186 [2023-02-15 01:53:40,067 INFO L226 Difference]: Without dead ends: 166 [2023-02-15 01:53:40,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 01:53:40,073 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 247 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 01:53:40,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 260 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 01:53:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-02-15 01:53:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-02-15 01:53:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 141 states have (on average 1.7730496453900708) internal successors, (250), 165 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 01:53:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 250 transitions. [2023-02-15 01:53:40,144 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 250 transitions. Word has length 4 [2023-02-15 01:53:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 01:53:40,145 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 250 transitions. [2023-02-15 01:53:40,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 01:53:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 250 transitions. [2023-02-15 01:53:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 01:53:40,146 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 01:53:40,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 01:53:40,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 01:53:40,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2023-02-15 01:53:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 01:53:40,147 INFO L85 PathProgramCache]: Analyzing trace with hash 28694019, now seen corresponding path program 1 times [2023-02-15 01:53:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 01:53:40,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160944663] [2023-02-15 01:53:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 01:53:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 01:53:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 01:53:40,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 01:53:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 01:53:40,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 01:53:40,260 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 01:53:40,264 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2023-02-15 01:53:40,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2023-02-15 01:53:40,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2023-02-15 01:53:40,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2023-02-15 01:53:40,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2023-02-15 01:53:40,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2023-02-15 01:53:40,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2023-02-15 01:53:40,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2023-02-15 01:53:40,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2023-02-15 01:53:40,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2023-02-15 01:53:40,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2023-02-15 01:53:40,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2023-02-15 01:53:40,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2023-02-15 01:53:40,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2023-02-15 01:53:40,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2023-02-15 01:53:40,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2023-02-15 01:53:40,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2023-02-15 01:53:40,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2023-02-15 01:53:40,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2023-02-15 01:53:40,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2023-02-15 01:53:40,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2023-02-15 01:53:40,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2023-02-15 01:53:40,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2023-02-15 01:53:40,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2023-02-15 01:53:40,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2023-02-15 01:53:40,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2023-02-15 01:53:40,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 01:53:40,283 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-15 01:53:40,286 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 01:53:40,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:53:40 BoogieIcfgContainer [2023-02-15 01:53:40,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 01:53:40,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 01:53:40,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 01:53:40,315 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 01:53:40,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:53:39" (3/4) ... [2023-02-15 01:53:40,318 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 01:53:40,361 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 01:53:40,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 01:53:40,362 INFO L158 Benchmark]: Toolchain (without parser) took 2040.61ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 85.3MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 01:53:40,362 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 01:53:40,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.96ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 66.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.52ms. Allocated memory is still 123.7MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,364 INFO L158 Benchmark]: Boogie Preprocessor took 64.55ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,364 INFO L158 Benchmark]: RCFGBuilder took 759.97ms. Allocated memory is still 123.7MB. Free memory was 60.9MB in the beginning and 74.9MB in the end (delta: -14.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,364 INFO L158 Benchmark]: TraceAbstraction took 739.00ms. Allocated memory is still 123.7MB. Free memory was 74.4MB in the beginning and 88.2MB in the end (delta: -13.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,365 INFO L158 Benchmark]: Witness Printer took 46.70ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 85.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 01:53:40,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.96ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 66.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.52ms. Allocated memory is still 123.7MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.55ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.97ms. Allocated memory is still 123.7MB. Free memory was 60.9MB in the beginning and 74.9MB in the end (delta: -14.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 739.00ms. Allocated memory is still 123.7MB. Free memory was 74.4MB in the beginning and 88.2MB in the end (delta: -13.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 46.70ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 85.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 96]: integer overflow possible integer overflow possible We found a FailurePath: [L637] int __retres1 ; [L641] CALL ssl3_connect() [L18] int s__info_callback = __VERIFIER_nondet_int(); [L19] int s__in_handshake = __VERIFIER_nondet_int(); [L20] int s__state ; [L21] int s__new_session ; [L22] int s__server ; [L23] int s__version = __VERIFIER_nondet_int(); [L24] int s__type ; [L25] int s__init_num ; [L26] int s__bbio = __VERIFIER_nondet_int(); [L27] int s__wbio = __VERIFIER_nondet_int(); [L28] int s__hit = __VERIFIER_nondet_int(); [L29] int s__rwstate ; [L30] int s__init_buf___0 = __VERIFIER_nondet_int(); [L31] int s__debug = __VERIFIER_nondet_int(); [L32] int s__shutdown ; [L33] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L34] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int(); [L35] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int(); [L36] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L37] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L38] int s__s3__change_cipher_spec ; [L39] int s__s3__flags = __VERIFIER_nondet_int(); [L40] int s__s3__delay_buf_pop_ret ; [L41] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__next_state___0 ; [L47] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L48] int s__session__cipher ; [L49] int s__session__compress_meth ; [L50] int buf ; [L51] unsigned long tmp ; [L52] unsigned long l ; [L53] int num1 = __VERIFIER_nondet_int(); [L54] int cb ; [L55] int ret ; [L56] int new_state ; [L57] int state ; [L58] int skip ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L62] int tmp___3 ; [L63] int tmp___4 ; [L64] int tmp___5 ; [L65] int tmp___6 = __VERIFIER_nondet_int(); [L66] int tmp___7 = __VERIFIER_nondet_int(); [L67] int tmp___8 = __VERIFIER_nondet_int(); [L68] int tmp___9 = __VERIFIER_nondet_int(); [L69] int blastFlag ; [L70] int ag_X ; [L71] int ag_Y ; [L72] int ag_Z = __VERIFIER_nondet_int(); [L73] unsigned int ag_V ; [L74] unsigned int ag_W ; [L75] int __retres62 ; [L78] ag_V = 2U [L79] ag_W = 5U [L80] s__state = 12292 [L81] blastFlag = 0 [L82] tmp = __VERIFIER_nondet_int() [L83] cb = 0 [L84] ret = -1 [L85] skip = 0 [L86] tmp___0 = 0 VAL [ag_V=2, ag_W=5, ag_Z=0, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_good=0, s__ctx__stats__sess_connect_renegotiate=0, s__ctx__stats__sess_hit=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__init_buf___0=0, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=0, s__state=12292, s__version=0, s__wbio=0, skip=0, tmp=0, tmp___0=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L87] COND TRUE s__info_callback != 0 [L88] cb = s__info_callback VAL [ag_V=2, ag_W=5, ag_Z=0, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_good=0, s__ctx__stats__sess_connect_renegotiate=0, s__ctx__stats__sess_hit=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__init_buf___0=0, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=0, s__state=12292, s__version=0, s__wbio=0, skip=0, tmp=0, tmp___0=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L96] s__in_handshake + 1 VAL [ag_V=2, ag_W=5, ag_Z=0, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_good=0, s__ctx__stats__sess_connect_renegotiate=0, s__ctx__stats__sess_hit=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__init_buf___0=0, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=0, s__state=12292, s__version=0, s__wbio=0, skip=0, tmp=0, tmp___0=0, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] - UnprovableResult [Line: 96]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 217]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 217]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 316]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 316]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 388]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 388]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 388]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 388]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 474]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 474]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 477]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 477]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 479]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 479]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 539]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 539]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 620]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 620]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 175 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 247 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 252 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-15 01:53:40,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)