./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.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_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/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_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/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_b2caca7c-0494-4a8d-9e74-a9391182f029/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:40,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:40,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:16:40,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:16:40,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:16:40,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:40,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:16:40,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:16:40,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:40,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:16:40,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:40,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:40,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:40,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:40,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:40,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:16:40,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:16:40,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:16:40,181 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_b2caca7c-0494-4a8d-9e74-a9391182f029/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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-12-06 05:16:40,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:40,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:40,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:40,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:40,417 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:40,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-12-06 05:16:43,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/e201f3fe1/b4846644b85b499c813e7af7ea1e11bc/FLAG078d6de01 [2024-12-06 05:16:43,352 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:43,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-12-06 05:16:43,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/e201f3fe1/b4846644b85b499c813e7af7ea1e11bc/FLAG078d6de01 [2024-12-06 05:16:43,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/e201f3fe1/b4846644b85b499c813e7af7ea1e11bc [2024-12-06 05:16:43,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:43,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:43,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:43,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:43,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:43,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:43,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3992dbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43, skipping insertion in model container [2024-12-06 05:16:43,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:43,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:43,589 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_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-12-06 05:16:43,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:43,835 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:43,842 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_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-12-06 05:16:43,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:43,976 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:43,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43 WrapperNode [2024-12-06 05:16:43,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:43,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:43,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:43,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:43,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,363 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4298 [2024-12-06 05:16:44,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:44,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:44,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:44,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:44,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:44,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:44,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:44,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:44,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:43" (1/1) ... [2024-12-06 05:16:44,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:44,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:44,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:44,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:16:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:16:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:45,067 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:45,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:49,547 INFO L? ?]: Removed 2420 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:49,548 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:53,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:53,957 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:16:53,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:53 BoogieIcfgContainer [2024-12-06 05:16:53,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:53,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:53,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:53,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:53,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:53" (1/1) ... [2024-12-06 05:16:53,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:54,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:16:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:16:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:54,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:54,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:57,319 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 05:17:07,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:17,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:26,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:17:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:17:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:26,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:26,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:54,185 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:18:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:18:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:18:34,166 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 05:18:34,170 INFO L158 Benchmark]: Toolchain (without parser) took 110785.50ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 114.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 654.1MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,170 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:18:34,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.92ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.8MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 385.80ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 55.8MB in the beginning and 62.3MB in the end (delta: -6.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,172 INFO L158 Benchmark]: Boogie Preprocessor took 340.72ms. Allocated memory was 159.4MB in the beginning and 394.3MB in the end (delta: 234.9MB). Free memory was 62.3MB in the beginning and 281.1MB in the end (delta: -218.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,172 INFO L158 Benchmark]: RCFGBuilder took 9253.00ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 629.1MB). Free memory was 281.1MB in the beginning and 713.7MB in the end (delta: -432.6MB). Peak memory consumption was 671.1MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,173 INFO L158 Benchmark]: CodeCheck took 100210.86ms. Allocated memory was 1.0GB in the beginning and 2.0GB in the end (delta: 973.1MB). Free memory was 713.7MB in the beginning and 1.3GB in the end (delta: -602.6MB). Peak memory consumption was 370.4MB. Max. memory is 16.1GB. [2024-12-06 05:18:34,175 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 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.92ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.8MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 385.80ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 55.8MB in the beginning and 62.3MB in the end (delta: -6.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 340.72ms. Allocated memory was 159.4MB in the beginning and 394.3MB in the end (delta: 234.9MB). Free memory was 62.3MB in the beginning and 281.1MB in the end (delta: -218.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9253.00ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 629.1MB). Free memory was 281.1MB in the beginning and 713.7MB in the end (delta: -432.6MB). Peak memory consumption was 671.1MB. Max. memory is 16.1GB. * CodeCheck took 100210.86ms. Allocated memory was 1.0GB in the beginning and 2.0GB in the end (delta: 973.1MB). Free memory was 713.7MB in the beginning and 1.3GB in the end (delta: -602.6MB). Peak memory consumption was 370.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:18:34,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/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_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/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_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/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_b2caca7c-0494-4a8d-9e74-a9391182f029/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:18:36,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:18:36,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:18:36,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:18:36,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:18:36,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:18:36,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:18:36,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:18:36,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:18:36,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:18:36,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:18:36,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:18:36,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:36,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:18:36,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:18:36,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:18:36,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:18:36,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:36,280 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:18:36,280 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_b2caca7c-0494-4a8d-9e74-a9391182f029/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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-12-06 05:18:36,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:18:36,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:18:36,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:18:36,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:18:36,510 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:18:36,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-12-06 05:18:39,207 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/cef9be6e1/cb7e847da1594d1a837df41ed4f67689/FLAGda7dcd111 [2024-12-06 05:18:39,448 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:18:39,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-12-06 05:18:39,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/cef9be6e1/cb7e847da1594d1a837df41ed4f67689/FLAGda7dcd111 [2024-12-06 05:18:39,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/data/cef9be6e1/cb7e847da1594d1a837df41ed4f67689 [2024-12-06 05:18:39,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:18:39,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:18:39,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:39,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:18:39,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:18:39,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:39" (1/1) ... [2024-12-06 05:18:39,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3822d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:39, skipping insertion in model container [2024-12-06 05:18:39,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:39" (1/1) ... [2024-12-06 05:18:39,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:18:39,943 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_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-12-06 05:18:40,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:40,166 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:18:40,184 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_b2caca7c-0494-4a8d-9e74-a9391182f029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-12-06 05:18:40,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:40,288 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:18:40,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40 WrapperNode [2024-12-06 05:18:40,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:40,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:40,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:18:40,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:18:40,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,380 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1554 [2024-12-06 05:18:40,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:40,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:18:40,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:18:40,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:18:40,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:18:40,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:18:40,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:18:40,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:18:40,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:40" (1/1) ... [2024-12-06 05:18:40,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:18:40,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:18:40,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:18:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:18:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:18:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:18:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:18:40,782 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:18:40,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:18:42,327 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-12-06 05:18:42,327 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:18:42,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:18:42,402 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:18:42,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:42 BoogieIcfgContainer [2024-12-06 05:18:42,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:18:42,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:18:42,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:18:42,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:18:42,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:42" (1/1) ... [2024-12-06 05:18:42,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:18:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:18:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:18:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:18:42,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:42,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:42,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:42,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:42,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:18:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:43,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:43,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:43,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:43,259 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 05:18:43,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:18:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:18:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:18:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:43,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:43,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:43,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:43,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2caca7c-0494-4a8d-9e74-a9391182f029/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:18:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:44,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:44,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:18:44,644 INFO L279 TraceCheckSpWp]: Computing forward predicates...