./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:26,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:26,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:33:26,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:26,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:26,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:26,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:26,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:26,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:26,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:26,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:26,967 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:26,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:26,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:26,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:26,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:26,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:26,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:26,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:26,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:26,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2024-11-13 22:33:27,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:27,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:27,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:27,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:27,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:27,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c Unable to find full path for "g++" [2024-11-13 22:33:29,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:29,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:29,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2024-11-13 22:33:29,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/data/30f9e15d8/32d90bde9ba84193b67452e2648b1f9f/FLAGd3868c770 [2024-11-13 22:33:29,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/data/30f9e15d8/32d90bde9ba84193b67452e2648b1f9f [2024-11-13 22:33:29,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:29,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:29,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:29,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:29,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:29,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa410c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29, skipping insertion in model container [2024-11-13 22:33:29,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:30,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:30,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:30,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:30,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:30,365 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:30,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30 WrapperNode [2024-11-13 22:33:30,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:30,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:30,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:30,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:30,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,428 INFO L138 Inliner]: procedures = 24, calls = 49, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-13 22:33:30,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:30,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:30,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:30,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:30,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:30,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:30,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:30,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:30,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:30,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:30,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373b3294-7673-4240-a2eb-3039207242c5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 22:33:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 22:33:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 22:33:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 22:33:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 22:33:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 22:33:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:33:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:33:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:33:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:33:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 22:33:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 22:33:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 22:33:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 22:33:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:33:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:33:30,560 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 22:33:30,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:30,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:31,338 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 22:33:31,338 INFO L287 CfgBuilder]: Performing block encoding