./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/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 377d5ab19f8a90b5f1960cdd7e45a4f856e30fe60c96a270791278dec7660bca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:45,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:45,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:16:45,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:45,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:45,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:45,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:16:45,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:16:45,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:45,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:45,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:45,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:16:45,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:45,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:45,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:45,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:45,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:45,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:45,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:45,646 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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/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 -> 377d5ab19f8a90b5f1960cdd7e45a4f856e30fe60c96a270791278dec7660bca [2024-11-13 22:16:46,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:46,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:46,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:46,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:46,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:46,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:16:48,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:16:49,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:16:49,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop1-back-serstep.c [2024-11-13 22:16:49,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/data/3cfe1ec64/0ad39a1a5b6c4adeb058e936ae914f4b/FLAGee383a904 [2024-11-13 22:16:49,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/data/3cfe1ec64/0ad39a1a5b6c4adeb058e936ae914f4b [2024-11-13 22:16:49,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:16:49,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:16:49,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:49,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:16:49,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:16:49,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:49" (1/1) ... [2024-11-13 22:16:49,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55969ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:49, skipping insertion in model container [2024-11-13 22:16:49,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:49" (1/1) ... [2024-11-13 22:16:49,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:16:49,830 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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop1-back-serstep.c[1177,1190] [2024-11-13 22:16:51,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:51,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:16:51,628 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_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop1-back-serstep.c[1177,1190] [2024-11-13 22:16:52,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:52,653 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:16:52,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52 WrapperNode [2024-11-13 22:16:52,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:52,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:52,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:16:52,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:16:52,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:53,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:56,030 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30806 [2024-11-13 22:16:56,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:56,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:16:56,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:16:56,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:16:56,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:56,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:56,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:56,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:57,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:58,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:58,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:58,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:59,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:16:59,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:16:59,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:16:59,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:16:59,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:52" (1/1) ... [2024-11-13 22:16:59,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:59,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:16:59,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:16:59,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d1b5a1-cb81-4bd7-a702-3b0d146079f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:16:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:16:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:16:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:16:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:01,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:01,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:20,758 INFO L? ?]: Removed 18211 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:20,758 INFO L287 CfgBuilder]: Performing block encoding