./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:51:43,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:51:44,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:51:44,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:51:44,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:51:44,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:51:44,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:51:44,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:51:44,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:51:44,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:51:44,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:51:44,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:51:44,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:51:44,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:44,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:51:44,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:51:44,047 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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 -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2024-12-06 05:51:44,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:51:44,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:51:44,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:51:44,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:51:44,296 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:51:44,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-12-06 05:51:46,940 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/7f18ccab3/d040058e290a40a0ac50b991a19dea92/FLAG156c21150 [2024-12-06 05:51:47,217 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:51:47,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-12-06 05:51:47,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/7f18ccab3/d040058e290a40a0ac50b991a19dea92/FLAG156c21150 [2024-12-06 05:51:47,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/7f18ccab3/d040058e290a40a0ac50b991a19dea92 [2024-12-06 05:51:47,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:51:47,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:51:47,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:47,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:51:47,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:51:47,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:47" (1/1) ... [2024-12-06 05:51:47,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38763b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:47, skipping insertion in model container [2024-12-06 05:51:47,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:47" (1/1) ... [2024-12-06 05:51:47,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:51:47,691 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-12-06 05:51:47,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:47,940 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:51:47,948 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-12-06 05:51:48,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:48,125 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:51:48,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48 WrapperNode [2024-12-06 05:51:48,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:48,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:48,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:51:48,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:51:48,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,502 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3607 [2024-12-06 05:51:48,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:48,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:51:48,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:51:48,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:51:48,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,713 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:51:48,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:51:48,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:51:48,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:51:48,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:48" (1/1) ... [2024-12-06 05:51:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:51:48,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:51:48,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:51:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:51:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:51:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:51:49,215 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:51:49,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:51:52,974 INFO L? ?]: Removed 2024 outVars from TransFormulas that were not future-live. [2024-12-06 05:51:52,974 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:56,341 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:56,341 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:51:56,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:56 BoogieIcfgContainer [2024-12-06 05:51:56,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:56,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:56,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:56,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:56,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:56" (1/1) ... [2024-12-06 05:51:56,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:51:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:51:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:51:56,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:02,979 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:52:17,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:52:18,003 INFO L158 Benchmark]: Toolchain (without parser) took 30514.56ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 117.4MB in the beginning and 962.4MB in the end (delta: -845.1MB). Peak memory consumption was 687.5MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,004 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:18,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.89ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 96.9MB in the end (delta: 20.3MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 375.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 96.9MB in the beginning and 328.9MB in the end (delta: -232.0MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,005 INFO L158 Benchmark]: Boogie Preprocessor took 368.64ms. Allocated memory was 427.8MB in the beginning and 310.4MB in the end (delta: -117.4MB). Free memory was 328.9MB in the beginning and 192.2MB in the end (delta: 136.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,006 INFO L158 Benchmark]: RCFGBuilder took 7469.54ms. Allocated memory was 310.4MB in the beginning and 897.6MB in the end (delta: 587.2MB). Free memory was 192.2MB in the beginning and 320.3MB in the end (delta: -128.1MB). Peak memory consumption was 574.1MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,006 INFO L158 Benchmark]: CodeCheck took 21659.98ms. Allocated memory was 897.6MB in the beginning and 1.7GB in the end (delta: 780.1MB). Free memory was 320.3MB in the beginning and 962.4MB in the end (delta: -642.1MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2024-12-06 05:52:18,009 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.89ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 96.9MB in the end (delta: 20.3MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 375.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 96.9MB in the beginning and 328.9MB in the end (delta: -232.0MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 368.64ms. Allocated memory was 427.8MB in the beginning and 310.4MB in the end (delta: -117.4MB). Free memory was 328.9MB in the beginning and 192.2MB in the end (delta: 136.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7469.54ms. Allocated memory was 310.4MB in the beginning and 897.6MB in the end (delta: 587.2MB). Free memory was 192.2MB in the beginning and 320.3MB in the end (delta: -128.1MB). Peak memory consumption was 574.1MB. Max. memory is 16.1GB. * CodeCheck took 21659.98ms. Allocated memory was 897.6MB in the beginning and 1.7GB in the end (delta: 780.1MB). Free memory was 320.3MB in the beginning and 962.4MB in the end (delta: -642.1MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:52:18,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:52:19,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:52:20,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:52:20,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:52:20,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:52:20,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:52:20,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:52:20,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:52:20,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:52:20,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:52:20,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:52:20,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:52:20,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:20,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:52:20,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:52:20,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:52:20,095 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:52:20,095 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:20,095 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:52:20,095 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/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 -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2024-12-06 05:52:20,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:52:20,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:52:20,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:52:20,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:52:20,331 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:52:20,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-12-06 05:52:22,960 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/a46dc6ad0/c9857648910441a289d28ccd6c66b28d/FLAG3c49c8c78 [2024-12-06 05:52:23,231 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:52:23,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-12-06 05:52:23,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/a46dc6ad0/c9857648910441a289d28ccd6c66b28d/FLAG3c49c8c78 [2024-12-06 05:52:23,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/data/a46dc6ad0/c9857648910441a289d28ccd6c66b28d [2024-12-06 05:52:23,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:52:23,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:52:23,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:23,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:52:23,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:52:23,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:23" (1/1) ... [2024-12-06 05:52:23,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2782545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:23, skipping insertion in model container [2024-12-06 05:52:23,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:23" (1/1) ... [2024-12-06 05:52:23,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:52:23,684 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-12-06 05:52:23,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:23,928 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:52:23,939 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_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-12-06 05:52:24,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:24,064 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:52:24,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24 WrapperNode [2024-12-06 05:52:24,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:24,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:24,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:52:24,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:52:24,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,157 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1473 [2024-12-06 05:52:24,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:24,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:52:24,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:52:24,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:52:24,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,214 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:52:24,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:52:24,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:52:24,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:52:24,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:24" (1/1) ... [2024-12-06 05:52:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:24,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:52:24,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:52:24,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:52:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:52:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:52:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:52:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:52:24,559 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:52:24,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:52:26,455 INFO L? ?]: Removed 723 outVars from TransFormulas that were not future-live. [2024-12-06 05:52:26,456 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:52:26,503 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:52:26,503 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:52:26,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:26 BoogieIcfgContainer [2024-12-06 05:52:26,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:52:26,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:52:26,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:52:26,514 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:52:26,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:26" (1/1) ... [2024-12-06 05:52:26,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:52:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:52:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:52:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:52:26,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:26,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:26,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:26,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:52:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:27,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:27,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:52:27,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:52:27,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:52:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:52:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:52:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:52:28,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:28,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:28,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:28,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:28,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:52:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:30,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:30,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1514 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-12-06 05:52:30,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:52:31,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:52:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 05:52:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 05:52:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:52:33,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:33,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:33,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:33,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9483bf5-88f7-4ede-aabc-bd9265c0c9a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:52:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:39,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:40,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 167 conjuncts are in the unsatisfiable core [2024-12-06 05:52:40,287 INFO L279 TraceCheckSpWp]: Computing forward predicates...