./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-070.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-070.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b124f4fa2472e5467898e0020b8382b91d5239bb08b12140b4820bcea6da62e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:09,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:09,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:20:09,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:09,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:09,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:09,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:09,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:09,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:09,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:09,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:09,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:09,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:09,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:09,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:09,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:09,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:09,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:09,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:09,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:09,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:09,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:09,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:09,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:09,167 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:09,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:09,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:09,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:09,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:09,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:09,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:09,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:09,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:09,181 INFO L153 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_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b124f4fa2472e5467898e0020b8382b91d5239bb08b12140b4820bcea6da62e0 [2024-11-08 22:20:09,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:09,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:09,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:09,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:09,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:09,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/xcsp/Dubois-070.c Unable to find full path for "g++" [2024-11-08 22:20:11,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:11,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:11,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/sv-benchmarks/c/xcsp/Dubois-070.c [2024-11-08 22:20:11,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/data/d37430617/d26f5d14233b4b1f8e893d126e29aee5/FLAG1c2f36f28 [2024-11-08 22:20:11,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/data/d37430617/d26f5d14233b4b1f8e893d126e29aee5 [2024-11-08 22:20:11,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:11,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:11,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:11,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:11,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:11,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:11" (1/1) ... [2024-11-08 22:20:11,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49697b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:11, skipping insertion in model container [2024-11-08 22:20:11,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:11" (1/1) ... [2024-11-08 22:20:11,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:12,645 WARN L250 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_9cff3327-b518-4415-ad97-f011ffbccbdf/sv-benchmarks/c/xcsp/Dubois-070.c[49920,49933] [2024-11-08 22:20:12,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:12,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:12,936 WARN L250 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_9cff3327-b518-4415-ad97-f011ffbccbdf/sv-benchmarks/c/xcsp/Dubois-070.c[49920,49933] [2024-11-08 22:20:12,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:12,987 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:12,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12 WrapperNode [2024-11-08 22:20:12,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:12,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:12,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:12,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:12,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:13,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,080 INFO L138 Inliner]: procedures = 13, calls = 567, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13946 [2024-11-08 22:20:14,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:14,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:14,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:14,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:14,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:14,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:15,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:15,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:15,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:15,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:15,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:15,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:12" (1/1) ... [2024-11-08 22:20:15,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:15,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:15,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cff3327-b518-4415-ad97-f011ffbccbdf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-08 22:20:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-08 22:20:15,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:15,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:37,046 INFO L? ?]: Removed 4835 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:37,046 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:00,619 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:00,619 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:00,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:00 BoogieIcfgContainer [2024-11-08 22:21:00,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:00,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:00,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:00,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:00,631 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:00" (1/1) ... [2024-11-08 22:21:00,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 916 states and 1474 transitions. [2024-11-08 22:21:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1474 transitions. [2024-11-08 22:21:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2033 [2024-11-08 22:21:01,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat