./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2fa8a6df24cfb2e7fff9b36ae5a737f29c862e41a0d792285ba28246763fc717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:12,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:12,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:20:12,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:12,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:12,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:12,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:12,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:12,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:12,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:12,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:12,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:12,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:12,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:12,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:12,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:12,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:12,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:12,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:12,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:12,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:12,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:12,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:12,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:12,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:12,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:12,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:12,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:12,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:12,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:12,709 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa8a6df24cfb2e7fff9b36ae5a737f29c862e41a0d792285ba28246763fc717 [2024-11-13 20:20:13,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:13,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:13,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:13,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:13,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:13,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:20:14,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:15,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:15,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c [2024-11-13 20:20:15,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/b4a85279d/108d41da48334b95bd7f7e0018062f2b/FLAG5f86bc279 [2024-11-13 20:20:15,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/b4a85279d/108d41da48334b95bd7f7e0018062f2b [2024-11-13 20:20:15,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:15,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:15,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:15,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:15,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:15,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:15" (1/1) ... [2024-11-13 20:20:15,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791046b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:15, skipping insertion in model container [2024-11-13 20:20:15,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:15" (1/1) ... [2024-11-13 20:20:15,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:15,946 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:20:16,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:16,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:16,605 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:20:16,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:16,931 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:16,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16 WrapperNode [2024-11-13 20:20:16,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:16,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:16,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:16,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:16,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:17,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:18,229 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9168 [2024-11-13 20:20:18,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:18,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:18,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:18,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:18,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:18,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:18,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:18,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:19,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:19,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:19,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:19,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:16" (1/1) ... [2024-11-13 20:20:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:19,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:19,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:20:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:20,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:20,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:36,499 INFO L? ?]: Removed 5024 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:36,500 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:53,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:53,946 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:20:53,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:53 BoogieIcfgContainer [2024-11-13 20:20:53,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:53,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:53,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:53,959 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:53,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:53" (1/1) ... [2024-11-13 20:20:53,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:20:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:20:54,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:20:54,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:54,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:09,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:20,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:23,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:31,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:34,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:44,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:21:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:21:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:21:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:21:44,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:44,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:13,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:28:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:29:04,817 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) [2024-11-13 20:29:04,821 INFO L158 Benchmark]: Toolchain (without parser) took 529255.02ms. Allocated memory was 117.4MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 88.5MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 20:29:04,821 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:04,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1364.30ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 49.4MB in the end (delta: 38.9MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-13 20:29:04,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 1295.94ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 49.4MB in the beginning and 527.7MB in the end (delta: -478.4MB). Peak memory consumption was 233.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:04,827 INFO L158 Benchmark]: Boogie Preprocessor took 1252.47ms. Allocated memory was 729.8MB in the beginning and 645.9MB in the end (delta: -83.9MB). Free memory was 527.7MB in the beginning and 392.9MB in the end (delta: 134.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-13 20:29:04,827 INFO L158 Benchmark]: RCFGBuilder took 34462.12ms. Allocated memory was 645.9MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 392.9MB in the beginning and 3.1GB in the end (delta: -2.7GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 20:29:04,830 INFO L158 Benchmark]: CodeCheck took 490872.67ms. Allocated memory is still 4.2GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 28.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 20:29:04,832 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 1.45ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1364.30ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 49.4MB in the end (delta: 38.9MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1295.94ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 49.4MB in the beginning and 527.7MB in the end (delta: -478.4MB). Peak memory consumption was 233.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1252.47ms. Allocated memory was 729.8MB in the beginning and 645.9MB in the end (delta: -83.9MB). Free memory was 527.7MB in the beginning and 392.9MB in the end (delta: 134.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * RCFGBuilder took 34462.12ms. Allocated memory was 645.9MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 392.9MB in the beginning and 3.1GB in the end (delta: -2.7GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 490872.67ms. Allocated memory is still 4.2GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 28.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:29:04,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/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_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2fa8a6df24cfb2e7fff9b36ae5a737f29c862e41a0d792285ba28246763fc717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:29:07,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:29:07,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:29:07,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:29:07,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:29:07,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:29:07,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:29:07,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:29:07,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:29:07,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:29:07,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:07,863 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:29:07,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:07,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:07,864 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:29:07,864 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa8a6df24cfb2e7fff9b36ae5a737f29c862e41a0d792285ba28246763fc717 [2024-11-13 20:29:08,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:29:08,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:29:08,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:29:08,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:29:08,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:29:08,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:29:10,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:29:10,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:29:10,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c [2024-11-13 20:29:10,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/b31665959/f754467b5b6d468f9a0423ea5081b87c/FLAG9c16d032c [2024-11-13 20:29:10,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/data/b31665959/f754467b5b6d468f9a0423ea5081b87c [2024-11-13 20:29:10,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:29:10,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:29:10,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:10,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:29:10,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:29:10,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efff111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10, skipping insertion in model container [2024-11-13 20:29:10,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:29:10,983 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:29:11,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:11,498 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:29:11,508 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_ea21ee24-e413-4d13-aa04-3ac41fe40945/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:29:11,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:11,761 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:29:11,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11 WrapperNode [2024-11-13 20:29:11,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:11,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:11,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:29:11,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:29:11,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:11,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,001 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2792 [2024-11-13 20:29:12,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:12,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:29:12,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:29:12,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:29:12,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:29:12,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:29:12,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:29:12,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:29:12,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:12,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:29:12,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:29:12,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:29:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:29:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:29:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:29:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:29:13,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:29:13,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:29:18,168 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-13 20:29:18,168 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:29:18,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:29:18,275 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:29:18,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:18 BoogieIcfgContainer [2024-11-13 20:29:18,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:29:18,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:29:18,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:29:18,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:29:18,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:18" (1/1) ... [2024-11-13 20:29:18,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:29:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:29:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:29:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:29:18,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:18,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:18,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:29:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:19,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:19,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:19,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:29:19,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:29:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:29:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:29:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:29:20,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:20,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:20,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:20,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea21ee24-e413-4d13-aa04-3ac41fe40945/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:29:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:22,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:22,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 20:29:22,716 INFO L278 TraceCheckSpWp]: Computing forward predicates...