./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-016.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-016.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b --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 9225d25c470748dace52cdf8d19af5fb519771fa3fbf56d516615b2e85dd68c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:28,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:28,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:31:28,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:31:28,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:31:28,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:28,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:28,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:28,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:28,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:28,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:28,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:28,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:28,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:28,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:28,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:28,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:28,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:31:28,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:31:28,838 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_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b 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 -> 9225d25c470748dace52cdf8d19af5fb519771fa3fbf56d516615b2e85dd68c3 [2024-12-06 01:31:29,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:29,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:29,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:29,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:29,088 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:29,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/xcsp/AllInterval-016.c [2024-12-06 01:31:31,746 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/data/0be68db3d/363c19849929493d89678db10a5b838e/FLAG9851ba47e [2024-12-06 01:31:31,947 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:31,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/sv-benchmarks/c/xcsp/AllInterval-016.c [2024-12-06 01:31:31,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/data/0be68db3d/363c19849929493d89678db10a5b838e/FLAG9851ba47e [2024-12-06 01:31:31,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/data/0be68db3d/363c19849929493d89678db10a5b838e [2024-12-06 01:31:31,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:31,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:31,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:31,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:31,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:31,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:31" (1/1) ... [2024-12-06 01:31:31,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402a9d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:31, skipping insertion in model container [2024-12-06 01:31:31,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:31" (1/1) ... [2024-12-06 01:31:32,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:32,204 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_a40bf038-a006-43e4-b0e6-3faf8803c78f/sv-benchmarks/c/xcsp/AllInterval-016.c[11400,11413] [2024-12-06 01:31:32,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:32,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:32,266 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_a40bf038-a006-43e4-b0e6-3faf8803c78f/sv-benchmarks/c/xcsp/AllInterval-016.c[11400,11413] [2024-12-06 01:31:32,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:32,284 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:32,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32 WrapperNode [2024-12-06 01:31:32,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:32,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:32,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:32,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:32,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,340 INFO L138 Inliner]: procedures = 13, calls = 309, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 504 [2024-12-06 01:31:32,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:32,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:32,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:32,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:32,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:32,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:32,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:32,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:32,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:32" (1/1) ... [2024-12-06 01:31:32,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:32,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:32,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bf038-a006-43e4-b0e6-3faf8803c78f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:31:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:31:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-12-06 01:31:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-12-06 01:31:32,510 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:32,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:32,994 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:32,994 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:33,027 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:33,027 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:31:33,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:33 BoogieIcfgContainer [2024-12-06 01:31:33,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:33,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:33,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:33,036 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:33,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:33" (1/1) ... [2024-12-06 01:31:33,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 354 states and 654 transitions. [2024-12-06 01:31:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 654 transitions. [2024-12-06 01:31:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2024-12-06 01:31:33,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms