./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ --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 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd --- 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-6b4ec56 [2022-11-20 16:41:49,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:41:49,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:41:49,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:41:49,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:41:49,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:41:49,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:41:49,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:41:49,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:41:49,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:41:49,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:41:49,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:41:49,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:41:49,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:41:49,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:41:49,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:41:49,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:41:49,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:41:49,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:41:49,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:41:49,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:41:49,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:41:49,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:41:49,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:41:49,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:41:49,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:41:49,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:41:49,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:41:49,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:41:49,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:41:49,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:41:49,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:41:49,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:41:49,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:41:49,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:41:49,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:41:49,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:41:49,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:41:49,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:41:49,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:41:49,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:41:49,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:41:49,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:41:49,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:41:49,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:41:49,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:41:49,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:41:49,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:41:49,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:41:49,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:41:49,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:41:49,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:41:49,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:41:49,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:41:49,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:41:49,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:41:49,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:41:49,608 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:41:49,608 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:41:49,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:41:49,608 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:41:49,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:41:49,609 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:41:49,609 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:41:49,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:41:49,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:49,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:41:49,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:41:49,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:41:49,610 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:41:49,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:41:49,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:41:49,611 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_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd [2022-11-20 16:41:49,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:41:49,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:41:49,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:41:49,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:41:49,940 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:41:49,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i [2022-11-20 16:41:52,943 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:53,238 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:53,239 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i [2022-11-20 16:41:53,245 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/data/68128419d/f1efc54f9ce14c7e844b8cb60279c9fb/FLAG49bd5b708 [2022-11-20 16:41:53,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/data/68128419d/f1efc54f9ce14c7e844b8cb60279c9fb [2022-11-20 16:41:53,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:53,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:53,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:53,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:53,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:53,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c91b519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53, skipping insertion in model container [2022-11-20 16:41:53,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:53,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:53,483 WARN L237 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_3b116d5b-7c8f-4648-87ed-db46df86f409/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886] [2022-11-20 16:41:53,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:53,502 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:41:53,515 WARN L237 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_3b116d5b-7c8f-4648-87ed-db46df86f409/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886] [2022-11-20 16:41:53,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:53,532 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:41:53,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53 WrapperNode [2022-11-20 16:41:53,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:53,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:53,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:41:53,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:41:53,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,567 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-11-20 16:41:53,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:53,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:41:53,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:41:53,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:41:53,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:41:53,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:41:53,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:41:53,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:41:53,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:41:53,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:41:53,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:41:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:41:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:41:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:41:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:41:53,760 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:41:53,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:41:53,895 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:41:53,936 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:41:53,936 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:41:53,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:53 BoogieIcfgContainer [2022-11-20 16:41:53,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:41:53,940 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:41:53,940 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:41:53,967 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:41:53,967 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:53" (1/1) ... [2022-11-20 16:41:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:41:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 16:41:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 16:41:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:41:54,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:54,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:54,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:41:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:54,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:41:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:54,345 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 16:41:54,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:54 ImpRootNode [2022-11-20 16:41:54,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:41:54,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:41:54,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:41:54,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:41:54,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:53" (3/4) ... [2022-11-20 16:41:54,382 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:41:54,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:41:54,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:41:54,433 INFO L158 Benchmark]: Toolchain (without parser) took 1158.81ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 85.3MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,439 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 105.8MB in the end (delta: 335.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:54,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.87ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 111.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 110.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,441 INFO L158 Benchmark]: Boogie Preprocessor took 44.87ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 108.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,442 INFO L158 Benchmark]: RCFGBuilder took 325.57ms. Allocated memory is still 151.0MB. Free memory was 108.9MB in the beginning and 97.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,445 INFO L158 Benchmark]: CodeCheck took 437.07ms. Allocated memory is still 151.0MB. Free memory was 97.9MB in the beginning and 86.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,446 INFO L158 Benchmark]: Witness Printer took 51.99ms. Allocated memory is still 151.0MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:54,453 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, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 24]: 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)) VAL [x=2147483647, y=1] [L23] COND TRUE 1 VAL [x=2147483647, y=1] [L24] x+y VAL [x=2147483647, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 105.8MB in the end (delta: 335.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.87ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 111.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 110.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.87ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 108.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.57ms. Allocated memory is still 151.0MB. Free memory was 108.9MB in the beginning and 97.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 437.07ms. Allocated memory is still 151.0MB. Free memory was 97.9MB in the beginning and 86.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 51.99ms. Allocated memory is still 151.0MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:41:54,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b116d5b-7c8f-4648-87ed-db46df86f409/bin/ukojak-pZX7IvK2PQ/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)