./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.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_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/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_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/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_31501341-09c9-45b3-b1ae-23ea949d4c20/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 b299c95fa3d80a261f0da5c782d20a6abce42901074868a783970c2964943ed7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:20,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:20,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 01:58:20,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:20,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:20,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:20,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:20,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:20,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:20,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:20,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:20,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:20,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:20,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:20,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:20,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:20,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:20,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:20,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:20,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:20,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:20,686 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:20,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:20,688 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_31501341-09c9-45b3-b1ae-23ea949d4c20/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 -> b299c95fa3d80a261f0da5c782d20a6abce42901074868a783970c2964943ed7 [2024-11-25 01:58:21,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:21,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:21,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:21,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:21,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:21,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.c [2024-11-25 01:58:24,489 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/data/97d3cbe7d/d36647762e2e4c9cbaf80695f0ec88a9/FLAG94d026cd1 [2024-11-25 01:58:25,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:25,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.c [2024-11-25 01:58:25,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/data/97d3cbe7d/d36647762e2e4c9cbaf80695f0ec88a9/FLAG94d026cd1 [2024-11-25 01:58:25,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/data/97d3cbe7d/d36647762e2e4c9cbaf80695f0ec88a9 [2024-11-25 01:58:25,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:25,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:25,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:25,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:25,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:25,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:25" (1/1) ... [2024-11-25 01:58:25,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ea67f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:25, skipping insertion in model container [2024-11-25 01:58:25,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:25" (1/1) ... [2024-11-25 01:58:25,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:25,864 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_31501341-09c9-45b3-b1ae-23ea949d4c20/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.c[1272,1285] [2024-11-25 01:58:27,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:27,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:27,436 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_31501341-09c9-45b3-b1ae-23ea949d4c20/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d128_e0.c[1272,1285] [2024-11-25 01:58:28,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:28,613 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:28,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28 WrapperNode [2024-11-25 01:58:28,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:28,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:28,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:28,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:28,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:28,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:31,541 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26641 [2024-11-25 01:58:31,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:31,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:31,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:31,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:31,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:31,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:32,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:32,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:33,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:33,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:33,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:33,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:28" (1/1) ... [2024-11-25 01:58:33,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:33,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:33,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31501341-09c9-45b3-b1ae-23ea949d4c20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 01:58:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 01:58:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:36,818 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:36,822 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:00:21,994 INFO L? ?]: Removed 15638 outVars from TransFormulas that were not future-live. [2024-11-25 02:00:21,994 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:01:13,450 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:01:13,451 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:01:13,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:01:13 BoogieIcfgContainer [2024-11-25 02:01:13,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:01:13,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:01:13,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:01:13,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:01:13,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:01:13" (1/1) ... [2024-11-25 02:01:13,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:01:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-25 02:01:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 02:01:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 02:01:13,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:13,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat