./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f434a7a72e145f5b7d63ebd7248b3805be316e991521bd769a7077695becd351 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:21,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:21,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:21,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:21,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:21,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:21,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:21,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:21,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:21,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:21,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:21,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:21,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:21,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:21,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:21,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:21,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:21,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:21,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:21,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:21,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:21,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:21,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:21,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:21,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:21,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:21,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:21,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:21,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:21,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:21,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:21,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:21,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:21,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:21,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:21,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:21,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:21,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:21,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:21,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:21,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:21,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:00:21,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:21,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:21,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:21,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:21,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:21,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:21,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:21,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:21,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:21,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:21,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:21,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:21,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:21,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:21,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:21,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:00:21,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:21,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:21,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:21,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:21,401 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:21,401 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:21,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:21,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:21,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:21,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:21,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:21,403 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:21,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:21,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:21,403 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f434a7a72e145f5b7d63ebd7248b3805be316e991521bd769a7077695becd351 [2022-10-17 17:00:21,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:21,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:21,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:21,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:21,730 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:21,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i [2022-10-17 17:00:21,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/data/fe7c98e5c/2bc30999e33b4e15a8450ccb421504cf/FLAG556753c40 [2022-10-17 17:00:22,312 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:22,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i [2022-10-17 17:00:22,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/data/fe7c98e5c/2bc30999e33b4e15a8450ccb421504cf/FLAG556753c40 [2022-10-17 17:00:22,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/data/fe7c98e5c/2bc30999e33b4e15a8450ccb421504cf [2022-10-17 17:00:22,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:22,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:22,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:22,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:22,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:22,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:22" (1/1) ... [2022-10-17 17:00:22,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b84bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:22, skipping insertion in model container [2022-10-17 17:00:22,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:22" (1/1) ... [2022-10-17 17:00:22,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:22,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:22,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i[873,886] [2022-10-17 17:00:22,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:22,960 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:22,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i[873,886] [2022-10-17 17:00:22,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:22,999 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23 WrapperNode [2022-10-17 17:00:23,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:23,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:23,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:23,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:23,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,039 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-10-17 17:00:23,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:23,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:23,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:23,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:23,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:23,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:23,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:23,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:23,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:23,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:23,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:23,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:23,252 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:23,254 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:23,382 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:23,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:23,409 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:23,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:23 BoogieIcfgContainer [2022-10-17 17:00:23,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:23,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:23,414 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:23,426 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:23,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:23" (1/1) ... [2022-10-17 17:00:23,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-10-17 17:00:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-10-17 17:00:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:23,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 17:00:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 17:00:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:23,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:23,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:00:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:24,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:00:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:24,045 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 17:00:24,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:00:24 ImpRootNode [2022-10-17 17:00:24,073 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:00:24,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:00:24,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:00:24,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:00:24,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:23" (3/4) ... [2022-10-17 17:00:24,077 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:00:24,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:00:24,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:00:24,112 INFO L158 Benchmark]: Toolchain (without parser) took 1452.86ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.3MB in the beginning and 86.0MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:24,113 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:24,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.19ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.1MB in the beginning and 87.6MB in the end (delta: -35.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-10-17 17:00:24,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 113.2MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:24,115 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:24,116 INFO L158 Benchmark]: RCFGBuilder took 333.17ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 74.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:00:24,116 INFO L158 Benchmark]: CodeCheck took 659.49ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 87.5MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:24,117 INFO L158 Benchmark]: Witness Printer took 37.94ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:24,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 6 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: 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 !(!(x < 0)) VAL [x=-1, y=-2147483648] [L23] COND TRUE 1 VAL [x=-1, y=-2147483648] [L24] COND FALSE !(x>=0) VAL [x=-1, y=-2147483648] [L27] x+y VAL [x=-1, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.19ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.1MB in the beginning and 87.6MB in the end (delta: -35.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 113.2MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.17ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 74.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 659.49ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 87.5MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.94ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:00:24,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61482ee1-d8c1-45e5-93f2-c54790bcf3b4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)