./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/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 6f032a278e247c25f95ab2bc0e622975c4cd6e35f7ad8b672dec44dde069d0ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:02,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:02,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:46:02,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:02,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:02,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:02,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:02,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:02,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:02,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:02,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:02,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:02,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:02,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:02,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:02,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:02,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:02,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:02,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:02,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:02,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:02,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:02,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:02,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:02,208 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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/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 -> 6f032a278e247c25f95ab2bc0e622975c4cd6e35f7ad8b672dec44dde069d0ec [2024-11-13 16:46:02,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:02,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:02,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:02,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:02,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:02,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:46:05,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:05,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:05,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.prop1-back-serstep.c [2024-11-13 16:46:06,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/data/cf7bc8d21/690f782827bc4e2487d4fd1609273453/FLAG4bd02d9a5 [2024-11-13 16:46:06,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/data/cf7bc8d21/690f782827bc4e2487d4fd1609273453 [2024-11-13 16:46:06,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:06,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:06,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:06,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:06,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:06,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:06" (1/1) ... [2024-11-13 16:46:06,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751a3dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:06, skipping insertion in model container [2024-11-13 16:46:06,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:06" (1/1) ... [2024-11-13 16:46:06,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:06,610 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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.prop1-back-serstep.c[1175,1188] [2024-11-13 16:46:08,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:08,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:08,388 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_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.2.prop1-back-serstep.c[1175,1188] [2024-11-13 16:46:09,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:09,455 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:09,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09 WrapperNode [2024-11-13 16:46:09,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:09,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:09,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:09,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:09,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:09,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:14,216 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32508 [2024-11-13 16:46:14,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:14,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:14,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:14,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:14,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:14,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:15,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:15,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:16,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:16,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:16,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:16,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:17,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:17,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:17,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:17,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:17,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:09" (1/1) ... [2024-11-13 16:46:17,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:17,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:17,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed03ad0-29f3-4b44-afbe-e43abc528cdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:20,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:20,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:18,847 INFO L? ?]: Removed 18510 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:18,847 INFO L287 CfgBuilder]: Performing block encoding