./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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 80eafbbbf384395411ddacd7d1db511fe23e0c8a2a7e2f2b13f6adce72d249ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:10,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:10,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:11:10,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:11:10,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:11:10,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:10,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:10,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:10,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:10,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:10,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:10,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:10,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:10,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:10,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:10,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:10,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:11:10,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:11:10,660 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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 -> 80eafbbbf384395411ddacd7d1db511fe23e0c8a2a7e2f2b13f6adce72d249ae [2024-12-05 22:11:10,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:10,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:10,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:10,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:10,902 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:10,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c [2024-12-05 22:11:13,527 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/e3edf2954/d1afde06dc4a449598f458eb93f4b042/FLAGbab7fb246 [2024-12-05 22:11:13,861 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:13,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c [2024-12-05 22:11:13,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/e3edf2954/d1afde06dc4a449598f458eb93f4b042/FLAGbab7fb246 [2024-12-05 22:11:14,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/e3edf2954/d1afde06dc4a449598f458eb93f4b042 [2024-12-05 22:11:14,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:14,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:14,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:14,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:14,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:14,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:14,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b606fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14, skipping insertion in model container [2024-12-05 22:11:14,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:14,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:14,344 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:14,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:14,730 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:14,739 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:14,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:14,983 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:14,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14 WrapperNode [2024-12-05 22:11:14,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:14,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:14,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:14,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:14,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:15,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:15,663 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9860 [2024-12-05 22:11:15,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:15,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:15,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:15,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:15,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:15,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:15,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:15,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:16,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:16,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:16,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:16,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:14" (1/1) ... [2024-12-05 22:11:16,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:16,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:16,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:11:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:17,155 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:17,157 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:30,048 INFO L? ?]: Removed 5385 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:30,048 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:44,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:44,340 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:11:44,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:44 BoogieIcfgContainer [2024-12-05 22:11:44,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:44,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:44,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:44,348 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:44,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:44" (1/1) ... [2024-12-05 22:11:44,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:11:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:11:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:11:44,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:44,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:58,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:12:08,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:12:16,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:26,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:12:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:12:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:12:26,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:50,778 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) [2024-12-05 22:16:50,782 INFO L158 Benchmark]: Toolchain (without parser) took 336676.79ms. Allocated memory was 142.6MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 111.3MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2024-12-05 22:16:50,783 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:16:50,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.57ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.0MB in the beginning and 78.4MB in the end (delta: 32.6MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2024-12-05 22:16:50,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 678.55ms. Allocated memory was 151.0MB in the beginning and 327.2MB in the end (delta: 176.2MB). Free memory was 78.4MB in the beginning and 128.7MB in the end (delta: -50.3MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. [2024-12-05 22:16:50,784 INFO L158 Benchmark]: Boogie Preprocessor took 903.16ms. Allocated memory was 327.2MB in the beginning and 729.8MB in the end (delta: 402.7MB). Free memory was 128.7MB in the beginning and 470.1MB in the end (delta: -341.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-05 22:16:50,784 INFO L158 Benchmark]: RCFGBuilder took 27773.29ms. Allocated memory was 729.8MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 470.1MB in the beginning and 991.9MB in the end (delta: -521.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 22:16:50,785 INFO L158 Benchmark]: CodeCheck took 306440.05ms. Allocated memory was 2.6GB in the beginning and 3.8GB in the end (delta: 1.2GB). Free memory was 991.9MB in the beginning and 3.2GB in the end (delta: -2.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 22:16:50,787 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.57ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.0MB in the beginning and 78.4MB in the end (delta: 32.6MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 678.55ms. Allocated memory was 151.0MB in the beginning and 327.2MB in the end (delta: 176.2MB). Free memory was 78.4MB in the beginning and 128.7MB in the end (delta: -50.3MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 903.16ms. Allocated memory was 327.2MB in the beginning and 729.8MB in the end (delta: 402.7MB). Free memory was 128.7MB in the beginning and 470.1MB in the end (delta: -341.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * RCFGBuilder took 27773.29ms. Allocated memory was 729.8MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 470.1MB in the beginning and 991.9MB in the end (delta: -521.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 306440.05ms. Allocated memory was 2.6GB in the beginning and 3.8GB in the end (delta: 1.2GB). Free memory was 991.9MB in the beginning and 3.2GB in the end (delta: -2.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:16:50,995 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:16:51,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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 80eafbbbf384395411ddacd7d1db511fe23e0c8a2a7e2f2b13f6adce72d249ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:16:52,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:16:53,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:16:53,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:16:53,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:16:53,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:16:53,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:16:53,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:16:53,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:16:53,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:16:53,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:16:53,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:53,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:53,062 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:16:53,062 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/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 -> 80eafbbbf384395411ddacd7d1db511fe23e0c8a2a7e2f2b13f6adce72d249ae [2024-12-05 22:16:53,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:16:53,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:16:53,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:16:53,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:16:53,319 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:16:53,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c [2024-12-05 22:16:56,009 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/976cfeb7b/c79232f4006048779bf299ac7feb2683/FLAGcc4b73fc7 [2024-12-05 22:16:56,281 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:16:56,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c [2024-12-05 22:16:56,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/976cfeb7b/c79232f4006048779bf299ac7feb2683/FLAGcc4b73fc7 [2024-12-05 22:16:56,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/data/976cfeb7b/c79232f4006048779bf299ac7feb2683 [2024-12-05 22:16:56,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:16:56,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:16:56,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:56,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:16:56,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:16:56,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:56" (1/1) ... [2024-12-05 22:16:56,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df15a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:56, skipping insertion in model container [2024-12-05 22:16:56,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:56" (1/1) ... [2024-12-05 22:16:56,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:16:56,772 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c[1176,1189] [2024-12-05 22:16:57,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:57,078 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:16:57,086 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_49aec9ca-04f0-466c-aa84-d39a6599c6cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-back-serstep.c[1176,1189] [2024-12-05 22:16:57,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:57,237 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:16:57,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57 WrapperNode [2024-12-05 22:16:57,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:57,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:57,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:16:57,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:16:57,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,397 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3108 [2024-12-05 22:16:57,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:57,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:16:57,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:16:57,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:16:57,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,478 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:16:57,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:16:57,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:16:57,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:16:57,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:57" (1/1) ... [2024-12-05 22:16:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:57,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:16:57,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:16:57,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:16:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:16:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:16:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:16:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:16:58,046 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:16:58,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:11,952 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:11,952 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:12,018 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:12,018 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:17:12,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:12 BoogieIcfgContainer [2024-12-05 22:17:12,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:12,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:12,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:12,026 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:12,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:12" (1/1) ... [2024-12-05 22:17:12,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:17:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:17:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:17:12,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:12,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:12,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:12,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:17:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:12,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:13,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:17:13,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:13,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:17:23,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:17:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:17:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:17:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:23,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:23,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:23,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aec9ca-04f0-466c-aa84-d39a6599c6cd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:17:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:26,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:27,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-12-05 22:17:27,351 INFO L279 TraceCheckSpWp]: Computing forward predicates...