./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.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_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/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_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/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_51140efc-224d-4e28-97e3-da3d436dabc0/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 5966bb8f616f22e4a55aa535b25716956e79407072499739e468fd9188a664ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:57,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:58,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:56:58,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:56:58,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:56:58,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:58,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:58,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:58,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:58,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:58,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:58,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:58,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:56:58,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:58,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:58,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:58,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:58,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:58,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:58,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:58,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:58,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:58,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:58,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:58,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:58,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:58,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:58,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:58,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:56:58,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:56:58,184 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_51140efc-224d-4e28-97e3-da3d436dabc0/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 -> 5966bb8f616f22e4a55aa535b25716956e79407072499739e468fd9188a664ce [2024-11-13 21:56:58,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:58,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:58,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:58,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:58,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:58,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:57:00,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:57:01,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:57:01,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.c [2024-11-13 21:57:01,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/data/de33fc132/23f4ed2018e244c386827ae161749c3c/FLAGf9cc06dfd [2024-11-13 21:57:01,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/data/de33fc132/23f4ed2018e244c386827ae161749c3c [2024-11-13 21:57:01,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:57:01,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:57:01,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:01,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:57:01,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:57:01,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:01" (1/1) ... [2024-11-13 21:57:01,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444150a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:01, skipping insertion in model container [2024-11-13 21:57:01,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:01" (1/1) ... [2024-11-13 21:57:01,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:57:02,320 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_51140efc-224d-4e28-97e3-da3d436dabc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:57:03,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:03,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:57:03,502 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_51140efc-224d-4e28-97e3-da3d436dabc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-back-serstep.c[1177,1190] [2024-11-13 21:57:04,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:04,329 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:57:04,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04 WrapperNode [2024-11-13 21:57:04,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:04,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:04,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:57:04,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:57:04,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:04,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:06,933 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17520 [2024-11-13 21:57:06,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:06,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:57:06,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:57:06,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:57:06,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:06,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:07,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:07,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:08,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:08,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:08,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:08,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:09,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:57:09,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:57:09,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:57:09,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:57:09,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:04" (1/1) ... [2024-11-13 21:57:09,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:09,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:57:09,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:57:09,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51140efc-224d-4e28-97e3-da3d436dabc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:57:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:57:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:57:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:57:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:57:10,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:57:10,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:57:53,344 INFO L? ?]: Removed 9530 outVars from TransFormulas that were not future-live. [2024-11-13 21:57:53,344 INFO L287 CfgBuilder]: Performing block encoding