./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-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_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/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_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/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_e1566855-3f56-4ae0-b432-8654104c607b/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 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:03:37,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:03:37,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:03:37,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:03:37,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:03:37,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:03:37,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:03:37,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:03:37,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:03:37,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:03:37,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:03:37,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:03:37,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:03:37,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:03:37,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:03:37,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:03:37,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:03:37,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:03:37,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:03:37,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:03:37,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:03:37,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:03:37,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:03:37,478 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_e1566855-3f56-4ae0-b432-8654104c607b/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 -> 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b [2024-12-06 04:03:37,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:03:37,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:03:37,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:03:37,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:03:37,747 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:03:37,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-12-06 04:03:40,387 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/642fe6831/154aa3d6ba494103b408bff57eef857a/FLAGb8d5b6555 [2024-12-06 04:03:40,634 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:03:40,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-12-06 04:03:40,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/642fe6831/154aa3d6ba494103b408bff57eef857a/FLAGb8d5b6555 [2024-12-06 04:03:40,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/642fe6831/154aa3d6ba494103b408bff57eef857a [2024-12-06 04:03:40,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:03:40,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:03:40,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:03:40,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:03:40,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:03:40,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:03:40" (1/1) ... [2024-12-06 04:03:40,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a81e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:40, skipping insertion in model container [2024-12-06 04:03:40,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:03:40" (1/1) ... [2024-12-06 04:03:40,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:03:40,833 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_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-12-06 04:03:40,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:03:40,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:03:40,995 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_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-12-06 04:03:41,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:03:41,093 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:03:41,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41 WrapperNode [2024-12-06 04:03:41,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:03:41,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:03:41,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:03:41,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:03:41,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,297 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-06 04:03:41,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:03:41,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:03:41,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:03:41,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:03:41,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:03:41,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:03:41,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:03:41,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:03:41,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:41" (1/1) ... [2024-12-06 04:03:41,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:03:41,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:03:41,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:03:41,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:03:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:03:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:03:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:03:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:03:41,711 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:03:41,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:03:44,044 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-06 04:03:44,044 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:03:46,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:03:46,619 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:03:46,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:46 BoogieIcfgContainer [2024-12-06 04:03:46,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:03:46,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:03:46,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:03:46,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:03:46,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:46" (1/1) ... [2024-12-06 04:03:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:03:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:03:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:03:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:03:46,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:46,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:03:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:48,668 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 04:03:58,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:08,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:04:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:04:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:04:09,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:04:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:16,264 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:04:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:04:31,712 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 04:04:31,717 INFO L158 Benchmark]: Toolchain (without parser) took 51053.13ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 897.6MB). Free memory was 116.7MB in the beginning and 378.2MB in the end (delta: -261.5MB). Peak memory consumption was 635.9MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,717 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:31,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.55ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 86.7MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.52ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 88.0MB in the end (delta: -1.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,719 INFO L158 Benchmark]: Boogie Preprocessor took 191.05ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 71.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,719 INFO L158 Benchmark]: RCFGBuilder took 5129.39ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 71.5MB in the beginning and 240.5MB in the end (delta: -169.0MB). Peak memory consumption was 252.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,720 INFO L158 Benchmark]: CodeCheck took 45096.01ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 240.5MB in the beginning and 378.2MB in the end (delta: -137.7MB). Peak memory consumption was 478.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:31,723 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.55ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 86.7MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.52ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 88.0MB in the end (delta: -1.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 191.05ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 71.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5129.39ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 71.5MB in the beginning and 240.5MB in the end (delta: -169.0MB). Peak memory consumption was 252.8MB. Max. memory is 16.1GB. * CodeCheck took 45096.01ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 240.5MB in the beginning and 378.2MB in the end (delta: -137.7MB). Peak memory consumption was 478.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:04:31,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/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_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/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_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/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_e1566855-3f56-4ae0-b432-8654104c607b/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 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:04:33,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:04:33,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:04:33,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:04:33,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:04:33,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:04:33,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:04:33,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:04:33,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:04:33,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:04:33,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:04:33,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:04:33,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:04:33,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:04:33,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:04:33,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:33,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:04:33,817 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:04:33,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:33,818 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:04:33,818 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_e1566855-3f56-4ae0-b432-8654104c607b/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 -> 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b [2024-12-06 04:04:34,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:04:34,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:04:34,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:04:34,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:04:34,063 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:04:34,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-12-06 04:04:36,820 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/44c3bdcd1/4c5de3da86594950b463fb36606d98f0/FLAG58c617aba [2024-12-06 04:04:37,050 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:04:37,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-12-06 04:04:37,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/44c3bdcd1/4c5de3da86594950b463fb36606d98f0/FLAG58c617aba [2024-12-06 04:04:37,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/data/44c3bdcd1/4c5de3da86594950b463fb36606d98f0 [2024-12-06 04:04:37,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:04:37,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:04:37,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:37,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:04:37,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:04:37,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d06af9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37, skipping insertion in model container [2024-12-06 04:04:37,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:04:37,512 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_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-12-06 04:04:37,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:37,635 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:04:37,645 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_e1566855-3f56-4ae0-b432-8654104c607b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-12-06 04:04:37,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:37,725 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:04:37,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37 WrapperNode [2024-12-06 04:04:37,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:37,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:37,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:04:37,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:04:37,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,780 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-06 04:04:37,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:37,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:04:37,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:04:37,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:04:37,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,820 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:04:37,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:04:37,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:04:37,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:04:37,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:37" (1/1) ... [2024-12-06 04:04:37,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:37,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:04:37,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:04:37,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:04:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:04:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:04:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:04:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:04:38,046 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:04:38,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:04:38,695 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-06 04:04:38,695 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:04:38,737 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:04:38,737 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:04:38,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:38 BoogieIcfgContainer [2024-12-06 04:04:38,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:04:38,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:04:38,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:04:38,749 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:04:38,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:38" (1/1) ... [2024-12-06 04:04:38,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:04:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:04:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:04:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:04:38,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:38,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:38,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:04:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:39,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:39,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:04:39,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:39,274 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 04:04:39,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:04:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:04:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:04:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:04:39,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:39,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:39,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:39,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1566855-3f56-4ae0-b432-8654104c607b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:04:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:39,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:39,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 04:04:39,978 INFO L279 TraceCheckSpWp]: Computing forward predicates...