./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:54:16,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:54:16,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:54:16,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:54:16,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:54:16,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:54:16,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:54:16,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:54:16,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:54:16,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:54:16,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:54:16,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:54:16,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:54:16,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:54:16,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:54:16,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:54:16,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:54:16,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:54:16,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:54:16,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:54:16,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:54:16,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:54:16,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:54:16,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:54:16,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:54:16,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:54:16,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:54:16,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:54:16,123 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:54:16,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:54:16,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-11-08 22:54:16,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:54:16,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:54:16,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:54:16,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:54:16,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:54:16,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 22:54:18,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:54:18,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:54:18,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-11-08 22:54:18,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/56b0ebf58/d04f2cfe9e3047679b7b7568498f56e7/FLAG3eadddfed [2024-11-08 22:54:18,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/56b0ebf58/d04f2cfe9e3047679b7b7568498f56e7 [2024-11-08 22:54:18,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:54:18,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:54:18,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:54:18,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:54:18,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:54:18,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:54:18" (1/1) ... [2024-11-08 22:54:18,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11df15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:18, skipping insertion in model container [2024-11-08 22:54:18,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:54:18" (1/1) ... [2024-11-08 22:54:18,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:54:19,192 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_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-08 22:54:19,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:54:19,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:54:19,560 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_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-08 22:54:19,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:54:19,756 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:54:19,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19 WrapperNode [2024-11-08 22:54:19,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:54:19,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:54:19,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:54:19,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:54:19,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:19,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,540 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3445 [2024-11-08 22:54:20,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:54:20,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:54:20,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:54:20,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:54:20,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:20,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:21,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:21,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:21,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:54:21,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:54:21,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:54:21,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:54:21,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:19" (1/1) ... [2024-11-08 22:54:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:54:21,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:54:21,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:54:21,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:54:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:54:21,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:54:21,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:54:25,767 INFO L? ?]: Removed 1841 outVars from TransFormulas that were not future-live. [2024-11-08 22:54:25,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:54:32,092 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:54:32,093 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:54:32,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:54:32 BoogieIcfgContainer [2024-11-08 22:54:32,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:54:32,095 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:54:32,095 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:54:32,106 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:54:32,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:54:32" (1/1) ... [2024-11-08 22:54:32,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:54:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:54:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:54:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:54:32,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:44,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:54,474 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 [] [2024-11-08 22:54:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:54:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:54:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:54:54,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:54,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:09,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:55:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:55:32,524 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:55:32,527 INFO L158 Benchmark]: Toolchain (without parser) took 73616.71ms. Allocated memory was 146.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 112.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 342.2MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,528 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:32,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.11ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 62.6MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 787.66ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 62.6MB in the beginning and 95.7MB in the end (delta: -33.1MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,530 INFO L158 Benchmark]: Boogie Preprocessor took 588.89ms. Allocated memory is still 182.5MB. Free memory was 95.7MB in the beginning and 59.4MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,531 INFO L158 Benchmark]: RCFGBuilder took 10957.80ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 59.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 474.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,532 INFO L158 Benchmark]: CodeCheck took 60431.39ms. Allocated memory was 1.4GB in the beginning and 2.6GB in the end (delta: 1.2GB). Free memory was 1.2GB in the beginning and 2.2GB in the end (delta: -1.0GB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. [2024-11-08 22:55:32,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.11ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 62.6MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 787.66ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 62.6MB in the beginning and 95.7MB in the end (delta: -33.1MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 588.89ms. Allocated memory is still 182.5MB. Free memory was 95.7MB in the beginning and 59.4MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 10957.80ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 59.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 474.6MB. Max. memory is 16.1GB. * CodeCheck took 60431.39ms. Allocated memory was 1.4GB in the beginning and 2.6GB in the end (delta: 1.2GB). Free memory was 1.2GB in the beginning and 2.2GB in the end (delta: -1.0GB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:55:32,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:55:35,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:55:35,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:55:35,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:55:35,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:55:35,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:55:35,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:55:35,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:55:35,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:55:35,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:55:35,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:55:35,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:55:35,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:55:35,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:55:35,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:55:35,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:55:35,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:55:35,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:55:35,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:55:35,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:55:35,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:55:35,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:55:35,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:55:35,187 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:35,187 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:55:35,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:55:35,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:35,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:55:35,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:55:35,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:55:35,189 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:55:35,190 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:35,190 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:55:35,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-11-08 22:55:35,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:55:35,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:55:35,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:55:35,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:55:35,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:55:35,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 22:55:37,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:55:37,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:55:37,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-11-08 22:55:38,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/e255c6954/926fc4e137714d1798322d22da71213c/FLAG9129904d6 [2024-11-08 22:55:38,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/data/e255c6954/926fc4e137714d1798322d22da71213c [2024-11-08 22:55:38,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:55:38,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:55:38,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:38,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:55:38,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:55:38,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f6f71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38, skipping insertion in model container [2024-11-08 22:55:38,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:55:38,332 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_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-08 22:55:38,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:38,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:55:38,656 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_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-08 22:55:38,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:38,848 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:55:38,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38 WrapperNode [2024-11-08 22:55:38,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:38,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:38,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:55:38,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:55:38,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,979 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 981 [2024-11-08 22:55:38,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:38,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:55:38,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:55:38,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:55:38,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:38,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:55:39,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:55:39,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:55:39,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:55:39,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:38" (1/1) ... [2024-11-08 22:55:39,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:39,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:55:39,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:55:39,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:55:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:55:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:55:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:55:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:55:39,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:55:39,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:55:40,637 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-08 22:55:40,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:55:40,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:55:40,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:55:40,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:40 BoogieIcfgContainer [2024-11-08 22:55:40,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:55:40,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:55:40,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:55:40,723 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:55:40,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:40" (1/1) ... [2024-11-08 22:55:40,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:55:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:55:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:55:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:55:40,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:40,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:40,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:40,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:40,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:55:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:41,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:41,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:55:41,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:41,436 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:55:41,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:55:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:55:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:55:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:55:41,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:41,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:41,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:41,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:55:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:42,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:42,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:55:42,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:32,789 WARN L286 SmtUtils]: Spent 42.98s on a formula simplification that was a NOOP. DAG size: 978 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:33,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:58:03,924 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 983 DAG size of output: 983 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:58:51,724 WARN L286 SmtUtils]: Spent 43.07s on a formula simplification that was a NOOP. DAG size: 979 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:59:37,325 WARN L286 SmtUtils]: Spent 44.29s on a formula simplification that was a NOOP. DAG size: 985 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:00:24,469 WARN L286 SmtUtils]: Spent 43.15s on a formula simplification that was a NOOP. DAG size: 984 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:01:13,395 WARN L286 SmtUtils]: Spent 44.15s on a formula simplification that was a NOOP. DAG size: 986 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:01:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-08 23:01:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-08 23:01:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:01:14,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:14,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:14,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:14,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244bbb7f-c0ef-46f3-a9e1-a86aee7a956b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:01:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:01:15,556 INFO L278 TraceCheckSpWp]: Computing forward predicates...