./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark45_disjunctive.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/benchmark45_disjunctive.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 5d7d5f866b835813775094f2f7fb7207c5216ec1 ..................................................................................................................................................................................................................................................... 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 11:40:19,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:40:19,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:40:19,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:40:19,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:40:19,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:40:19,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:40:19,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:40:19,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:40:19,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:40:19,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:40:19,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:40:19,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:40:19,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:40:19,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:40:19,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:40:19,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:40:19,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:40:19,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:40:19,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:40:19,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:40:19,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:40:19,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:40:19,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:40:19,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:40:19,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:40:19,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:40:19,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:40:19,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:40:19,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:40:19,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:40:19,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:40:19,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:40:19,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:40:19,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:40:19,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:40:19,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:40:19,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:40:19,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:40:19,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:40:19,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:40:19,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:40:19,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:40:19,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:40:19,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:40:19,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:40:19,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:40:19,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:40:19,878 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:40:19,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:40:19,878 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:40:19,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:40:19,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:40:19,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:40:19,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:40:19,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:40:19,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:40:19,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:40:19,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:40:19,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:40:19,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:40:19,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:40:19,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:40:19,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:40:19,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:40:19,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:40:19,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:40:19,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:40:19,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:40:19,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d7d5f866b835813775094f2f7fb7207c5216ec1 [2021-08-27 11:40:20,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:40:20,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:40:20,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:40:20,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:40:20,187 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:40:20,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark45_disjunctive.i [2021-08-27 11:40:20,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c08d456/756926045ce64f279dc5125c05e1a300/FLAGb7052477b [2021-08-27 11:40:20,636 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:40:20,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark45_disjunctive.i [2021-08-27 11:40:20,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c08d456/756926045ce64f279dc5125c05e1a300/FLAGb7052477b [2021-08-27 11:40:21,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c08d456/756926045ce64f279dc5125c05e1a300 [2021-08-27 11:40:21,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:40:21,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:40:21,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:21,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:40:21,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:40:21,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571b3162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21, skipping insertion in model container [2021-08-27 11:40:21,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:40:21,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:40:21,163 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/benchmark45_disjunctive.i[873,886] [2021-08-27 11:40:21,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:40:21,175 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:40:21,186 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/benchmark45_disjunctive.i[873,886] [2021-08-27 11:40:21,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:40:21,199 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:40:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21 WrapperNode [2021-08-27 11:40:21,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:21,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:40:21,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:40:21,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:40:21,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:40:21,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:40:21,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:40:21,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:40:21,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:40:21,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:40:21,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:40:21,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:40:21,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (1/1) ... [2021-08-27 11:40:21,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:40:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:40:21,302 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 11:40:21,328 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 11:40:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:40:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:40:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:40:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:40:21,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:40:21,600 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 11:40:21,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21 BoogieIcfgContainer [2021-08-27 11:40:21,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:40:21,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:40:21,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:40:21,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:40:21,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:40:21" (1/3) ... [2021-08-27 11:40:21,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bcc83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:40:21, skipping insertion in model container [2021-08-27 11:40:21,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:21" (2/3) ... [2021-08-27 11:40:21,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bcc83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:40:21, skipping insertion in model container [2021-08-27 11:40:21,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21" (3/3) ... [2021-08-27 11:40:21,609 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark45_disjunctive.i [2021-08-27 11:40:21,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:40:21,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-27 11:40:21,685 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:40:21,691 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 11:40:21,699 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-27 11:40:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 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 11:40:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-27 11:40:21,717 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:40:21,717 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-27 11:40:21,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-27 11:40:21,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:40:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2021-08-27 11:40:21,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:40:21,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13288798] [2021-08-27 11:40:21,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:40:21,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:40:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:40:21,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 11:40:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 11:40:21,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 11:40:21,904 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 11:40:21,905 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:40:21,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:40:21,918 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:40:21,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:40:21 BoogieIcfgContainer [2021-08-27 11:40:21,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:40:21,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:40:21,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:40:21,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:40:21,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:40:21" (3/4) ... [2021-08-27 11:40:21,940 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-27 11:40:21,978 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:40:21,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:40:21,980 INFO L168 Benchmark]: Toolchain (without parser) took 936.05 ms. Allocated memory is still 62.9 MB. Free memory was 43.7 MB in the beginning and 37.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,980 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 85.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:21,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.86 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 34.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.30 ms. Allocated memory is still 62.9 MB. Free memory was 34.2 MB in the beginning and 46.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,984 INFO L168 Benchmark]: Boogie Preprocessor took 39.51 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,987 INFO L168 Benchmark]: RCFGBuilder took 323.85 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 33.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:21,988 INFO L168 Benchmark]: TraceAbstraction took 330.76 ms. Allocated memory is still 62.9 MB. Free memory was 32.8 MB in the beginning and 39.3 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:21,988 INFO L168 Benchmark]: Witness Printer took 40.53 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 37.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:21,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 85.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 155.86 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 34.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.30 ms. Allocated memory is still 62.9 MB. Free memory was 34.2 MB in the beginning and 46.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.51 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 323.85 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 33.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 330.76 ms. Allocated memory is still 62.9 MB. Free memory was 32.8 MB in the beginning and 39.3 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 40.53 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 37.7 MB in the end (delta: 1.6 MB). There was no memory consumed. 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(y>0 || x>0)) [L23] COND TRUE __VERIFIER_nondet_bool() [L24] COND TRUE x>0 [L25] x++ - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 27]: 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, 19 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 233.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 7.8ms SsaConstructionTime, 39.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 11:40:22,026 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...