./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark06_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec 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/loop-zilu/benchmark06_conjunctive.i -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 bf8d846c130cb4e59e8772b3ff214ebf877b8289 .............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:28:52,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:28:52,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:28:52,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:28:52,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:28:52,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:28:52,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:28:52,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:28:52,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:28:52,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:28:52,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:28:52,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:28:52,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:28:52,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:28:52,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:28:52,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:28:52,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:28:52,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:28:52,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:28:52,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:28:52,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:28:52,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:28:52,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:28:52,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:28:52,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:28:52,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:28:52,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:28:52,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:28:52,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:28:52,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:28:52,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:28:52,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:28:52,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:28:52,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:28:52,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:28:52,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:28:52,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:28:52,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:28:52,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:28:52,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:28:52,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:28:52,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:28:52,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:28:52,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:28:52,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:28:52,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:28:52,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:28:52,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:28:52,747 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:28:52,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:28:52,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:28:52,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:28:52,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:28:52,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:28:52,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:28:52,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:28:52,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:28:52,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:28:52,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:28:52,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:28:52,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:28:52,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:28:52,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:28:52,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf8d846c130cb4e59e8772b3ff214ebf877b8289 [2021-08-27 11:28:52,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:28:52,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:28:52,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:28:52,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:28:52,982 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:28:52,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark06_conjunctive.i [2021-08-27 11:28:53,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c72c80c/33d755ab34084095bba48b1bdd7b53d6/FLAG9139e2a33 [2021-08-27 11:28:53,326 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:28:53,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark06_conjunctive.i [2021-08-27 11:28:53,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c72c80c/33d755ab34084095bba48b1bdd7b53d6/FLAG9139e2a33 [2021-08-27 11:28:53,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c72c80c/33d755ab34084095bba48b1bdd7b53d6 [2021-08-27 11:28:53,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:28:53,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:28:53,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:28:53,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:28:53,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:28:53,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c602683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53, skipping insertion in model container [2021-08-27 11:28:53,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:28:53,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:28:53,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark06_conjunctive.i[873,886] [2021-08-27 11:28:53,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:28:53,896 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:28:53,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark06_conjunctive.i[873,886] [2021-08-27 11:28:53,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:28:53,928 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:28:53,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53 WrapperNode [2021-08-27 11:28:53,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:28:53,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:28:53,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:28:53,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:28:53,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:28:53,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:28:53,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:28:53,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:28:53,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:53,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:54,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:54,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:54,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:28:54,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:28:54,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:28:54,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:28:54,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (1/1) ... [2021-08-27 11:28:54,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:28:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:28:54,026 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) [2021-08-27 11:28:54,051 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 [2021-08-27 11:28:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:28:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:28:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:28:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:28:54,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:28:54,327 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 11:28:54,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:28:54 BoogieIcfgContainer [2021-08-27 11:28:54,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:28:54,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:28:54,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:28:54,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:28:54,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:28:53" (1/3) ... [2021-08-27 11:28:54,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d4bcd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:28:54, skipping insertion in model container [2021-08-27 11:28:54,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:28:53" (2/3) ... [2021-08-27 11:28:54,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d4bcd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:28:54, skipping insertion in model container [2021-08-27 11:28:54,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:28:54" (3/3) ... [2021-08-27 11:28:54,342 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark06_conjunctive.i [2021-08-27 11:28:54,346 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:28:54,346 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-27 11:28:54,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:28:54,377 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-27 11:28:54,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-27 11:28:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.7916666666666667) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:28:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-08-27 11:28:54,391 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:28:54,391 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-08-27 11:28:54,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2021-08-27 11:28:54,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:28:54,396 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2021-08-27 11:28:54,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:28:54,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800966340] [2021-08-27 11:28:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:28:54,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:28:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:28:54,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 11:28:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:28:54,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 11:28:54,513 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 11:28:54,514 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:28:54,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:28:54,523 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:28:54,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:28:54 BoogieIcfgContainer [2021-08-27 11:28:54,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:28:54,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:28:54,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:28:54,533 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:28:54,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:28:54" (3/4) ... [2021-08-27 11:28:54,535 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-27 11:28:54,556 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:28:54,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:28:54,558 INFO L168 Benchmark]: Toolchain (without parser) took 783.26 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 37.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,558 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.7 MB in the beginning and 28.6 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:28:54,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 32.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 56.6 MB. Free memory was 32.3 MB in the beginning and 40.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,560 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.5 MB in the end (delta: 920.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:28:54,560 INFO L168 Benchmark]: RCFGBuilder took 326.42 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 37.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,560 INFO L168 Benchmark]: TraceAbstraction took 203.10 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 23.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,561 INFO L168 Benchmark]: Witness Printer took 23.90 ms. Allocated memory is still 56.6 MB. Free memory was 23.3 MB in the beginning and 38.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:28:54,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.7 MB in the beginning and 28.6 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 151.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 32.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 56.6 MB. Free memory was 32.3 MB in the beginning and 40.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.30 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.5 MB in the end (delta: 920.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 326.42 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 37.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 203.10 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 23.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 23.90 ms. Allocated memory is still 56.6 MB. Free memory was 23.3 MB in the beginning and 38.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int j = __VERIFIER_nondet_int(); [L21] int i = __VERIFIER_nondet_int(); [L22] int x = __VERIFIER_nondet_int(); [L23] int y = __VERIFIER_nondet_int(); [L24] int k = __VERIFIER_nondet_int(); [L25] j=0 [L26] x+y - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: 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, 39 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 150.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.9ms SsaConstructionTime, 23.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-08-27 11:28:54,589 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...