./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3 --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 4ea40d53ee2544f289733e537841cd97faeb4cdc98451ac0e93b8720621889e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:46,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:46,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:09:46,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:09:46,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:09:47,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:47,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:47,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:47,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:47,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:47,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:47,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:47,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:47,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:47,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:09:47,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:09:47,025 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_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 4ea40d53ee2544f289733e537841cd97faeb4cdc98451ac0e93b8720621889e3 [2024-11-25 04:09:47,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:47,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:47,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:47,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:47,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:47,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c [2024-11-25 04:09:50,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/data/a6344c39c/cecff743fa7c4f3baca4159d277fbaed/FLAG75d3ded1e [2024-11-25 04:09:51,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:51,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c [2024-11-25 04:09:51,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/data/a6344c39c/cecff743fa7c4f3baca4159d277fbaed/FLAG75d3ded1e [2024-11-25 04:09:51,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/data/a6344c39c/cecff743fa7c4f3baca4159d277fbaed [2024-11-25 04:09:51,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:51,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:51,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:51,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:51,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:51,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:51" (1/1) ... [2024-11-25 04:09:51,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d29461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:51, skipping insertion in model container [2024-11-25 04:09:51,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:51" (1/1) ... [2024-11-25 04:09:51,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:51,857 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_7312331d-4549-48f0-bd73-a6917327883f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c[1246,1259] [2024-11-25 04:09:53,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:53,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:53,658 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_7312331d-4549-48f0-bd73-a6917327883f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal171.c[1246,1259] [2024-11-25 04:09:54,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:54,789 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:54,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54 WrapperNode [2024-11-25 04:09:54,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:54,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:54,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:54,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:54,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:09:55,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:09:59,562 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39407 [2024-11-25 04:09:59,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:59,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:59,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:59,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:59,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:09:59,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:00,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:00,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:02,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:02,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:03,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:03,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:03,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:04,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:10:04,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:10:04,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:10:04,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:10:04,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:10:04,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:04,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:10:04,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:10:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7312331d-4549-48f0-bd73-a6917327883f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:10:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:10:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:10:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:10:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:10:07,871 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:10:07,873 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:11:45,917 INFO L? ?]: Removed 21924 outVars from TransFormulas that were not future-live. [2024-11-25 04:11:45,918 INFO L283 CfgBuilder]: Performing block encoding