./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.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_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/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_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/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_80d34b34-7e0a-4f32-acc0-c66573762d0d/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 d82959c62cace714afaf213af74bee360c622cff96341a6c72954e4dbd868971 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:21:38,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:21:38,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:21:38,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:21:38,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:21:38,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:21:38,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:21:38,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:21:38,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:21:38,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:21:38,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:21:38,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:21:38,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:21:38,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:21:38,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:21:38,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:21:38,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:21:38,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:21:38,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:21:38,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:21:38,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:21:38,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:21:38,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:21:38,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:21:38,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:38,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:21:38,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:21:38,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:21:38,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:21:38,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:21:38,776 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d82959c62cace714afaf213af74bee360c622cff96341a6c72954e4dbd868971 [2024-11-09 00:21:39,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:21:39,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:21:39,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:21:39,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:21:39,287 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:21:39,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c Unable to find full path for "g++" [2024-11-09 00:21:41,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:21:42,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:21:42,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c [2024-11-09 00:21:42,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/a1ca6426e/dde4dab3bbd54a85a1cf0ad0bdf0b5de/FLAG15cf74755 [2024-11-09 00:21:42,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/a1ca6426e/dde4dab3bbd54a85a1cf0ad0bdf0b5de [2024-11-09 00:21:42,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:21:42,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:21:42,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:42,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:21:42,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:21:42,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e4eb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42, skipping insertion in model container [2024-11-09 00:21:42,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:42,947 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c[1244,1257] [2024-11-09 00:21:43,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:43,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:43,465 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c[1244,1257] [2024-11-09 00:21:43,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:43,789 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:43,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43 WrapperNode [2024-11-09 00:21:43,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:43,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:43,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:43,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:43,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:43,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,534 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3666 [2024-11-09 00:21:44,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:44,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:44,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:44,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:44,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:44,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:45,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:45,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:45,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:45,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:45,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:45,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:43" (1/1) ... [2024-11-09 00:21:45,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:45,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:45,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:45,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:21:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:46,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:46,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:21:52,530 INFO L? ?]: Removed 2054 outVars from TransFormulas that were not future-live. [2024-11-09 00:21:52,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:00,139 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:00,141 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:22:00,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:00 BoogieIcfgContainer [2024-11-09 00:22:00,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:00,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:00,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:00,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:00,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:00" (1/1) ... [2024-11-09 00:22:00,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:00,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:22:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:22:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:22:00,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:17,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:38,856 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) [2024-11-09 00:22:38,868 INFO L158 Benchmark]: Toolchain (without parser) took 56502.81ms. Allocated memory was 151.0MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 86.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 586.6MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,869 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:38,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.67ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 102.9MB in the end (delta: -16.9MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 743.83ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 102.9MB in the beginning and 118.8MB in the end (delta: -15.9MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,874 INFO L158 Benchmark]: Boogie Preprocessor took 752.49ms. Allocated memory is still 224.4MB. Free memory was 118.8MB in the beginning and 101.5MB in the end (delta: 17.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,876 INFO L158 Benchmark]: RCFGBuilder took 14853.51ms. Allocated memory was 224.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 101.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 456.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,878 INFO L158 Benchmark]: CodeCheck took 38719.53ms. Allocated memory was 1.5GB in the beginning and 2.6GB in the end (delta: 1.0GB). Free memory was 1.2GB in the beginning and 1.9GB in the end (delta: -743.5MB). Peak memory consumption was 307.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:38,886 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 0.34ms. Allocated memory is still 151.0MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.67ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 102.9MB in the end (delta: -16.9MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 743.83ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 102.9MB in the beginning and 118.8MB in the end (delta: -15.9MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 752.49ms. Allocated memory is still 224.4MB. Free memory was 118.8MB in the beginning and 101.5MB in the end (delta: 17.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 14853.51ms. Allocated memory was 224.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 101.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 456.1MB. Max. memory is 16.1GB. * CodeCheck took 38719.53ms. Allocated memory was 1.5GB in the beginning and 2.6GB in the end (delta: 1.0GB). Free memory was 1.2GB in the beginning and 1.9GB in the end (delta: -743.5MB). Peak memory consumption was 307.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:22:38,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/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_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/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_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/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_80d34b34-7e0a-4f32-acc0-c66573762d0d/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 d82959c62cace714afaf213af74bee360c622cff96341a6c72954e4dbd868971 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:42,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:42,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:22:42,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:42,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:42,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:42,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:42,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:42,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:42,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:42,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:42,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:42,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:42,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:42,297 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:22:42,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:22:42,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:42,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:22:42,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:42,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:42,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:42,306 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:42,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:42,307 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:42,308 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:22:42,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:42,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:42,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:42,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:42,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:42,311 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:22:42,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:42,312 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:22:42,315 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d82959c62cace714afaf213af74bee360c622cff96341a6c72954e4dbd868971 [2024-11-09 00:22:42,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:42,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:42,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:42,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:42,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:42,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c Unable to find full path for "g++" [2024-11-09 00:22:45,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:45,963 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:45,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c [2024-11-09 00:22:45,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/684ec8d98/6949993b47b247789b8717fd0e887065/FLAG9f121d40b [2024-11-09 00:22:46,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/data/684ec8d98/6949993b47b247789b8717fd0e887065 [2024-11-09 00:22:46,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:46,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:46,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:46,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:46,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:46,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:46" (1/1) ... [2024-11-09 00:22:46,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4add64ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:46, skipping insertion in model container [2024-11-09 00:22:46,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:46" (1/1) ... [2024-11-09 00:22:46,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:46,652 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c[1244,1257] [2024-11-09 00:22:47,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:47,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:47,179 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_80d34b34-7e0a-4f32-acc0-c66573762d0d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal8.c[1244,1257] [2024-11-09 00:22:47,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:47,346 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:47,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47 WrapperNode [2024-11-09 00:22:47,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:47,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:47,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:47,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:47,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,514 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1492 [2024-11-09 00:22:47,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:47,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:47,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:47,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:47,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:47,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:47,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:47,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:47,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:47" (1/1) ... [2024-11-09 00:22:47,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:47,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:47,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:22:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:48,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:48,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:51,963 INFO L? ?]: Removed 737 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:51,963 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:52,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:52,115 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:22:52,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:52 BoogieIcfgContainer [2024-11-09 00:22:52,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:52,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:52,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:52,130 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:52,131 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:52" (1/1) ... [2024-11-09 00:22:52,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:22:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:22:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:22:52,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:52,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:52,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:22:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:53,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:54,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:22:54,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:22:54,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:22:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:22:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:22:55,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:55,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:55,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:55,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:22:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:57,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:58,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-09 00:22:58,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:00,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-09 00:23:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-09 00:23:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:23:03,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:03,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:03,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:03,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:03,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d34b34-7e0a-4f32-acc0-c66573762d0d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:23:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:11,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 2271 conjuncts, 200 conjuncts are in the unsatisfiable core [2024-11-09 00:23:11,586 INFO L278 TraceCheckSpWp]: Computing forward predicates...