./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/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 9f2e151467712439fbe703af9ec3366b3ad3af70f273689a921aa43f56052325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:00,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:00,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:40:00,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:00,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:00,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:00,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:00,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:00,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:00,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:00,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:00,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:00,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:00,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:00,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:00,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:00,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:00,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:00,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:00,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:00,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:00,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:00,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:00,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:00,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:00,681 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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/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 -> 9f2e151467712439fbe703af9ec3366b3ad3af70f273689a921aa43f56052325 [2024-11-13 16:40:01,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:01,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:01,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:01,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:01,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:01,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:40:03,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:03,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:03,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c [2024-11-13 16:40:03,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/data/f6de5ef9f/6462832648664a268e931cbd1a07e3d5/FLAG8b2257b25 [2024-11-13 16:40:03,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/data/f6de5ef9f/6462832648664a268e931cbd1a07e3d5 [2024-11-13 16:40:03,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:03,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:03,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:03,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:03,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:03,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:03,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb8d3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03, skipping insertion in model container [2024-11-13 16:40:03,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:04,377 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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c[1178,1191] [2024-11-13 16:40:05,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:05,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:05,456 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_1cf8968a-6c84-49ac-a0f0-33c1d946e265/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c[1178,1191] [2024-11-13 16:40:06,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:06,042 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:06,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06 WrapperNode [2024-11-13 16:40:06,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:06,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:06,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:06,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:06,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:06,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:08,673 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19617 [2024-11-13 16:40:08,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:08,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:08,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:08,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:08,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:08,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:09,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:09,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:10,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:10,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:10,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:10,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:11,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:11,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:11,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:11,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:11,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:11,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:11,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:11,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8968a-6c84-49ac-a0f0-33c1d946e265/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:40:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:12,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:12,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:04,385 INFO L? ?]: Removed 10903 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:04,385 INFO L287 CfgBuilder]: Performing block encoding