./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/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 59a51494e44542a55e0efd5b7238524ccc4e20c79b0ec6f03f7167fd13a5d201 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:28,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:28,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:38:28,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:38:28,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:38:28,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:28,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:28,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:28,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:28,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:28,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:28,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:28,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:28,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:28,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:28,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:28,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:28,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:28,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:38:28,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:38:28,299 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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/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 -> 59a51494e44542a55e0efd5b7238524ccc4e20c79b0ec6f03f7167fd13a5d201 [2024-11-13 21:38:28,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:28,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:28,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:28,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:28,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:28,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:38:30,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:31,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:31,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c [2024-11-13 21:38:31,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/data/3e13ff800/d18d80b0b6ad456aa039870544bd0181/FLAG2b5f3442d [2024-11-13 21:38:31,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/data/3e13ff800/d18d80b0b6ad456aa039870544bd0181 [2024-11-13 21:38:31,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:31,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:31,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:31,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:31,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:31,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:31" (1/1) ... [2024-11-13 21:38:31,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfa7954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:31, skipping insertion in model container [2024-11-13 21:38:31,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:31" (1/1) ... [2024-11-13 21:38:31,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:31,825 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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c[1177,1190] [2024-11-13 21:38:32,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:32,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:32,920 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_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c[1177,1190] [2024-11-13 21:38:33,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:33,574 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:33,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33 WrapperNode [2024-11-13 21:38:33,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:33,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:33,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:33,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:33,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:33,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:36,157 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25034 [2024-11-13 21:38:36,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:36,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:36,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:36,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:36,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:36,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:36,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:36,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:37,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:37,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:37,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:37,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:38,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:38,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:38,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:38,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:38,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:33" (1/1) ... [2024-11-13 21:38:38,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:38,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:38,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:38,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fe20b2-d22c-4e5d-b3f2-cb60775772cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:38:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:40,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:40,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:40:12,317 INFO L? ?]: Removed 13548 outVars from TransFormulas that were not future-live. [2024-11-13 21:40:12,317 INFO L287 CfgBuilder]: Performing block encoding