./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.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_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b --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 d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:56:18,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:56:18,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:56:18,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:56:18,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:56:18,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:56:18,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:56:18,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:56:18,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:56:18,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:56:18,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:56:18,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:56:18,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:56:18,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:56:18,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:56:18,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:56:18,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:56:18,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:56:18,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:56:18,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:56:18,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:56:18,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:56:18,237 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_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b 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 -> d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 [2024-12-06 02:56:18,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:56:18,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:56:18,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:56:18,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:56:18,452 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:56:18,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-12-06 02:56:21,095 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/2a952a999/dd4136bca3a64d558d232b9a70ecd2a4/FLAG997017408 [2024-12-06 02:56:21,368 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:56:21,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-12-06 02:56:21,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/2a952a999/dd4136bca3a64d558d232b9a70ecd2a4/FLAG997017408 [2024-12-06 02:56:21,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/2a952a999/dd4136bca3a64d558d232b9a70ecd2a4 [2024-12-06 02:56:21,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:56:21,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:56:21,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:56:21,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:56:21,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:56:21,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:56:21" (1/1) ... [2024-12-06 02:56:21,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ccce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:21, skipping insertion in model container [2024-12-06 02:56:21,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:56:21" (1/1) ... [2024-12-06 02:56:21,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:56:21,609 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_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-12-06 02:56:21,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:56:21,890 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:56:21,897 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_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-12-06 02:56:22,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:56:22,078 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:56:22,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22 WrapperNode [2024-12-06 02:56:22,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:56:22,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:56:22,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:56:22,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:56:22,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,630 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6571 [2024-12-06 02:56:22,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:56:22,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:56:22,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:56:22,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:56:22,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:22,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:23,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:23,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:23,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:56:23,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:56:23,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:56:23,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:56:23,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:56:22" (1/1) ... [2024-12-06 02:56:23,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:56:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:56:23,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:56:23,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:56:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:56:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:56:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:56:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:56:23,550 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:56:23,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:56:30,509 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-12-06 02:56:30,509 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:56:38,592 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:56:38,592 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:56:38,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:56:38 BoogieIcfgContainer [2024-12-06 02:56:38,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:56:38,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:56:38,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:56:38,599 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:56:38,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:56:38" (1/1) ... [2024-12-06 02:56:38,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:56:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:56:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:56:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:56:38,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:52,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:02,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:14,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:57:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:57:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:57:14,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:23,787 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:59:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:59:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:59:40,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:59:40,405 INFO L158 Benchmark]: Toolchain (without parser) took 199005.00ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 114.2MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 02:59:40,406 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:59:40,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.20ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 84.9MB in the end (delta: 29.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2024-12-06 02:59:40,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 551.38ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 116.2MB in the end (delta: -31.3MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2024-12-06 02:59:40,407 INFO L158 Benchmark]: Boogie Preprocessor took 482.27ms. Allocated memory is still 285.2MB. Free memory was 116.2MB in the beginning and 96.9MB in the end (delta: 19.2MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-12-06 02:59:40,408 INFO L158 Benchmark]: RCFGBuilder took 15478.18ms. Allocated memory was 285.2MB in the beginning and 704.6MB in the end (delta: 419.4MB). Free memory was 96.9MB in the beginning and 368.2MB in the end (delta: -271.2MB). Peak memory consumption was 551.0MB. Max. memory is 16.1GB. [2024-12-06 02:59:40,408 INFO L158 Benchmark]: CodeCheck took 181811.46ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 368.2MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 941.8MB. Max. memory is 16.1GB. [2024-12-06 02:59:40,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.20ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 84.9MB in the end (delta: 29.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 551.38ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 116.2MB in the end (delta: -31.3MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 482.27ms. Allocated memory is still 285.2MB. Free memory was 116.2MB in the beginning and 96.9MB in the end (delta: 19.2MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * RCFGBuilder took 15478.18ms. Allocated memory was 285.2MB in the beginning and 704.6MB in the end (delta: 419.4MB). Free memory was 96.9MB in the beginning and 368.2MB in the end (delta: -271.2MB). Peak memory consumption was 551.0MB. Max. memory is 16.1GB. * CodeCheck took 181811.46ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 368.2MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 941.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:59:40,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b --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 d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:59:42,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:59:42,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:59:42,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:59:42,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:59:42,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:59:42,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:59:42,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:59:42,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:59:42,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:59:42,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:59:42,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:59:42,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:59:42,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:59:42,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:42,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:59:42,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:42,580 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:59:42,580 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_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b 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 -> d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 [2024-12-06 02:59:42,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:59:42,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:59:42,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:59:42,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:59:42,813 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:59:42,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-12-06 02:59:45,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/1157c2748/a415724c2cfb4d66919bc1f4dd763520/FLAGe07f8a4e4 [2024-12-06 02:59:45,758 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:59:45,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-12-06 02:59:45,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/1157c2748/a415724c2cfb4d66919bc1f4dd763520/FLAGe07f8a4e4 [2024-12-06 02:59:46,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/data/1157c2748/a415724c2cfb4d66919bc1f4dd763520 [2024-12-06 02:59:46,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:59:46,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:59:46,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:46,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:59:46,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:59:46,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb9fc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46, skipping insertion in model container [2024-12-06 02:59:46,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:59:46,240 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_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-12-06 02:59:46,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:46,489 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:59:46,497 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_5374d20a-73d7-4065-bfad-5357ef292eaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-12-06 02:59:46,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:46,601 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:59:46,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46 WrapperNode [2024-12-06 02:59:46,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:46,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:46,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:59:46,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:59:46,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,712 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1819 [2024-12-06 02:59:46,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:46,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:59:46,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:59:46,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:59:46,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:59:46,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:59:46,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:59:46,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:59:46,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:46" (1/1) ... [2024-12-06 02:59:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:46,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:59:46,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:59:46,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:59:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:59:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:59:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:59:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:59:47,173 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:59:47,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:59:49,440 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-12-06 02:59:49,440 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:59:49,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:59:49,517 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:59:49,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:59:49 BoogieIcfgContainer [2024-12-06 02:59:49,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:59:49,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:59:49,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:59:49,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:59:49,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:59:49" (1/1) ... [2024-12-06 02:59:49,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:59:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:59:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:59:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:59:49,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:49,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:49,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:49,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:59:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:50,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:50,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:59:50,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:59:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:59:50,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:59:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:59:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:59:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:59:50,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:50,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:50,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:50,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:50,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374d20a-73d7-4065-bfad-5357ef292eaf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:59:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:51,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:51,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:59:51,936 INFO L279 TraceCheckSpWp]: Computing forward predicates...