./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/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_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash 34c4a9c4a90f69e46cb8f685aa1cfeeeeb384bc559da63fd3f5859f96c5eaa79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:58,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:58,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:16:58,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:58,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:58,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:58,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:16:58,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:16:58,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:58,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:58,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:58,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:16:58,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:58,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:58,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:16:58,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:58,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:16:58,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:58,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:16:58,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:58,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:58,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:58,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:58,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:58,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:58,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:58,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:58,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:16:58,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:58,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:58,666 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_eb6ed822-3d13-4d36-abc3-c4464a8ec874/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 ! 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34c4a9c4a90f69e46cb8f685aa1cfeeeeb384bc559da63fd3f5859f96c5eaa79 [2024-11-13 22:16:59,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:59,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:59,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:59,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:59,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:59,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:17:01,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:01,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:01,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c [2024-11-13 22:17:01,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/data/c7cb8dd13/c833736347ea40a28bce7a1c1db3a590/FLAGb5f77238e [2024-11-13 22:17:01,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/data/c7cb8dd13/c833736347ea40a28bce7a1c1db3a590 [2024-11-13 22:17:01,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:01,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:01,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:01,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:01,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:01,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:01" (1/1) ... [2024-11-13 22:17:01,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37af8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:01, skipping insertion in model container [2024-11-13 22:17:01,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:01" (1/1) ... [2024-11-13 22:17:02,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:02,549 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_eb6ed822-3d13-4d36-abc3-c4464a8ec874/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c[1174,1187] [2024-11-13 22:17:03,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:03,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:03,793 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_eb6ed822-3d13-4d36-abc3-c4464a8ec874/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.2.prop1-func-interl.c[1174,1187] [2024-11-13 22:17:04,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:04,537 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:04,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04 WrapperNode [2024-11-13 22:17:04,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:04,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:04,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:04,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:04,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:04,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:06,216 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16362 [2024-11-13 22:17:06,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:06,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:06,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:06,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:06,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:06,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:06,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:06,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:07,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:07,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:07,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:07,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:04" (1/1) ... [2024-11-13 22:17:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:07,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:07,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6ed822-3d13-4d36-abc3-c4464a8ec874/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:17:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:09,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:09,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:57,468 INFO L? ?]: Removed 11341 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:57,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:26,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:26,073 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:18:26,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:26 BoogieIcfgContainer [2024-11-13 22:18:26,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:26,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:26,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:26,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:26,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:26" (1/1) ... [2024-11-13 22:18:26,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:18:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:18:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:18:26,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat