./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi --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 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:16,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:16,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:11:16,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:16,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:16,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:16,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:16,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:16,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:16,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:16,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:16,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:16,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:16,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:16,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:16,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:16,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:16,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:16,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:16,195 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:16,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:16,196 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:16,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:16,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:16,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:16,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:16,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:16,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:16,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:16,201 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:16,201 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 [2023-11-24 23:11:16,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:16,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:16,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:16,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:16,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:16,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-24 23:11:19,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:20,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:20,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-24 23:11:20,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/52d46d714/9ceb8e0381334fda8e7016cee96c2311/FLAG0b32970fd [2023-11-24 23:11:20,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/52d46d714/9ceb8e0381334fda8e7016cee96c2311 [2023-11-24 23:11:20,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:20,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:20,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:20,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:20,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:20,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d48839d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20, skipping insertion in model container [2023-11-24 23:11:20,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:20,506 WARN L240 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-24 23:11:20,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:20,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:20,678 WARN L240 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-24 23:11:20,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:20,786 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:20,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20 WrapperNode [2023-11-24 23:11:20,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:20,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:20,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:20,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:20,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,923 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2023-11-24 23:11:20,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:20,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:20,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:20,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:20,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:20,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:21,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:21,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:21,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:21,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:20" (1/1) ... [2023-11-24 23:11:21,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:21,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:21,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:21,345 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:21,347 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:22,308 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:23,236 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:23,236 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:23,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23 BoogieIcfgContainer [2023-11-24 23:11:23,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:23,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:23,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:23,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:23,250 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23" (1/1) ... [2023-11-24 23:11:23,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:11:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:11:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:23,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:23,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:24,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:24,350 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:11:24,442 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:11:24,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:24 ImpRootNode [2023-11-24 23:11:24,473 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:24,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:24,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:24,478 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:24,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23" (3/4) ... [2023-11-24 23:11:24,482 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:11:24,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:24,485 INFO L158 Benchmark]: Toolchain (without parser) took 4304.35ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 75.4MB in the beginning and 157.8MB in the end (delta: -82.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:24,510 INFO L158 Benchmark]: CDTParser took 10.62ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 112.4MB in the end (delta: -11.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.72ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 129.6MB in the end (delta: -54.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.90ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 116.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,513 INFO L158 Benchmark]: Boogie Preprocessor took 113.31ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 110.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,517 INFO L158 Benchmark]: RCFGBuilder took 2197.64ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 110.7MB in the beginning and 153.8MB in the end (delta: -43.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,518 INFO L158 Benchmark]: CodeCheck took 1235.03ms. Allocated memory is still 209.7MB. Free memory was 152.8MB in the beginning and 157.8MB in the end (delta: -5.0MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-24 23:11:24,519 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 209.7MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:24,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of bitwiseAnd at line 147. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_18 mask_SORT_18 = (SORT_18)-1 >> (sizeof(SORT_18) * 8 - 4); [L36] const SORT_18 msb_SORT_18 = (SORT_18)1 << (4 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 10); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 1; [L43] const SORT_1 var_15 = 1; [L44] const SORT_18 var_20 = 1; [L45] const SORT_71 var_72 = 0; [L46] const SORT_10 var_81 = 104; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_32; [L53] SORT_18 input_34; [L54] SORT_1 input_36; [L55] SORT_18 input_38; [L56] SORT_1 input_40; [L57] SORT_1 input_42; [L58] SORT_1 input_48; [L59] SORT_1 input_50; [L60] SORT_1 input_52; [L61] SORT_3 input_54; [L62] SORT_1 input_57; [L63] SORT_1 input_67; [L64] SORT_1 input_75; [L65] SORT_1 input_76; [L66] SORT_1 input_77; [L67] SORT_1 input_89; [L68] SORT_1 input_90; [L69] SORT_1 input_91; [L70] SORT_1 input_102; [L71] SORT_1 input_108; [L72] SORT_1 input_114; [L73] SORT_1 input_125; [L74] SORT_1 input_127; [L75] SORT_71 input_142; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_ushort() & mask_SORT_71 [L88] SORT_71 state_73 = __VERIFIER_nondet_ushort() & mask_SORT_71; [L90] SORT_1 init_9_arg_1 = var_7; [L91] state_8 = init_9_arg_1 [L92] SORT_1 init_17_arg_1 = var_15; [L93] state_16 = init_17_arg_1 [L94] SORT_1 init_29_arg_1 = var_7; [L95] state_28 = init_29_arg_1 [L96] SORT_1 init_31_arg_1 = var_7; [L97] state_30 = init_31_arg_1 [L98] SORT_1 init_45_arg_1 = var_7; [L99] state_44 = init_45_arg_1 [L100] SORT_1 init_47_arg_1 = var_7; [L101] state_46 = init_47_arg_1 [L102] SORT_1 init_60_arg_1 = var_7; [L103] state_59 = init_60_arg_1 [L104] SORT_1 init_62_arg_1 = var_7; [L105] state_61 = init_62_arg_1 [L106] SORT_1 init_64_arg_1 = var_7; [L107] state_63 = init_64_arg_1 [L108] SORT_1 init_66_arg_1 = var_7; [L109] state_65 = init_66_arg_1 [L110] SORT_1 init_70_arg_1 = var_7; [L111] state_69 = init_70_arg_1 [L112] SORT_71 init_74_arg_1 = var_72; [L113] state_73 = init_74_arg_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L116] input_2 = __VERIFIER_nondet_uchar() [L117] input_4 = __VERIFIER_nondet_uchar() [L118] input_5 = __VERIFIER_nondet_uchar() [L119] input_6 = __VERIFIER_nondet_uchar() [L120] input_32 = __VERIFIER_nondet_uchar() [L121] input_34 = __VERIFIER_nondet_uchar() [L122] input_36 = __VERIFIER_nondet_uchar() [L123] input_38 = __VERIFIER_nondet_uchar() [L124] input_40 = __VERIFIER_nondet_uchar() [L125] input_42 = __VERIFIER_nondet_uchar() [L126] input_48 = __VERIFIER_nondet_uchar() [L127] input_50 = __VERIFIER_nondet_uchar() [L128] input_52 = __VERIFIER_nondet_uchar() [L129] input_54 = __VERIFIER_nondet_uchar() [L130] input_57 = __VERIFIER_nondet_uchar() [L131] input_67 = __VERIFIER_nondet_uchar() [L132] input_75 = __VERIFIER_nondet_uchar() [L133] input_76 = __VERIFIER_nondet_uchar() [L134] input_77 = __VERIFIER_nondet_uchar() [L135] input_89 = __VERIFIER_nondet_uchar() [L136] input_90 = __VERIFIER_nondet_uchar() [L137] input_91 = __VERIFIER_nondet_uchar() [L138] input_102 = __VERIFIER_nondet_uchar() [L139] input_108 = __VERIFIER_nondet_uchar() [L140] input_114 = __VERIFIER_nondet_uchar() [L141] input_125 = __VERIFIER_nondet_uchar() [L142] input_127 = __VERIFIER_nondet_uchar() [L143] input_142 = __VERIFIER_nondet_ushort() [L146] SORT_1 var_11_arg_0 = state_8; [L147] EXPR var_11_arg_0 & mask_SORT_1 [L147] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L148] SORT_10 var_11 = var_11_arg_0; [L149] SORT_10 var_13_arg_0 = var_11; [L150] SORT_10 var_13_arg_1 = var_12; [L151] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L152] SORT_1 var_14_arg_0 = var_13; [L153] SORT_1 var_14 = ~var_14_arg_0; [L154] SORT_1 var_19_arg_0 = state_16; [L155] EXPR var_19_arg_0 & mask_SORT_1 [L155] var_19_arg_0 = var_19_arg_0 & mask_SORT_1 [L156] SORT_18 var_19 = var_19_arg_0; [L157] SORT_18 var_21_arg_0 = var_19; [L158] SORT_18 var_21_arg_1 = var_20; [L159] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L160] SORT_1 var_22_arg_0 = var_14; [L161] SORT_1 var_22_arg_1 = var_21; [L162] EXPR var_22_arg_0 | var_22_arg_1 [L162] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L163] SORT_1 var_25_arg_0 = var_22; [L164] SORT_1 var_25 = ~var_25_arg_0; [L165] SORT_1 var_26_arg_0 = var_15; [L166] SORT_1 var_26_arg_1 = var_25; [L167] EXPR var_26_arg_0 & var_26_arg_1 [L167] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L168] EXPR var_26 & mask_SORT_1 [L168] var_26 = var_26 & mask_SORT_1 [L169] SORT_1 bad_27_arg_0 = var_26; [L170] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 10.62ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 112.4MB in the end (delta: -11.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.72ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 129.6MB in the end (delta: -54.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.90ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 116.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.31ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 110.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2197.64ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 110.7MB in the beginning and 153.8MB in the end (delta: -43.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * CodeCheck took 1235.03ms. Allocated memory is still 209.7MB. Free memory was 152.8MB in the beginning and 157.8MB in the end (delta: -5.0MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Witness Printer took 6.11ms. Allocated memory is still 209.7MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:11:24,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi --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 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:27,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:27,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 23:11:27,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:27,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:27,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:27,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:27,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:27,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:27,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:27,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:27,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:27,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:27,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:27,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:11:27,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:11:27,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:11:27,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:27,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:27,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:27,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:27,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:27,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:27,524 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:27,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:27,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:27,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:27,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:27,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:27,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:11:27,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:27,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:27,529 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:11:27,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:27,530 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 [2023-11-24 23:11:27,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:27,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:27,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:27,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:27,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:27,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-24 23:11:31,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:31,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:31,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-24 23:11:31,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/3368f7606/5191791e40ed4a74b018b88b5fe5a47a/FLAGdcdbd90a3 [2023-11-24 23:11:31,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/data/3368f7606/5191791e40ed4a74b018b88b5fe5a47a [2023-11-24 23:11:31,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:31,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:31,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:31,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:31,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:31,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:31,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d84b6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31, skipping insertion in model container [2023-11-24 23:11:31,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:31,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:31,921 WARN L240 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-24 23:11:32,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:32,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:32,147 WARN L240 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_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-24 23:11:32,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:32,215 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:32,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32 WrapperNode [2023-11-24 23:11:32,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:32,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:32,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:32,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:32,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,287 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 452 [2023-11-24 23:11:32,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:32,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:32,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:32,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:32,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:32,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:32,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:32,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:32,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:32" (1/1) ... [2023-11-24 23:11:32,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:32,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:32,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:32,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:11:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:32,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:32,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:33,167 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:33,234 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:33,234 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:33,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:33 BoogieIcfgContainer [2023-11-24 23:11:33,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:33,237 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:33,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:33,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:33,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:33" (1/1) ... [2023-11-24 23:11:33,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:11:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:11:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:33,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:33,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:33,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:33,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:33,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:33,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:11:33,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:33,957 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:33,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 23:11:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 23:11:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:34,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:34,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:34,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:34,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:11:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:34,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:34,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:34,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:34,884 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:34,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-24 23:11:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-24 23:11:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:35,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:35,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:35,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:35,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:11:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:35,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:36,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 23:11:36,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:36,593 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:36,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2023-11-24 23:11:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2023-11-24 23:11:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:37,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:37,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:37,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:11:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:38,707 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:38,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-24 23:11:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-24 23:11:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:39,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:39,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:39,540 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:11:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-24 23:11:40,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:41,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-11-24 23:11:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-11-24 23:11:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:42,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:42,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:42,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:42,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:11:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:43,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:43,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 166 conjunts are in the unsatisfiable core [2023-11-24 23:11:43,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:45,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2023-11-24 23:11:46,401 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2023-11-24 23:11:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:46,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:46,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:46,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:46,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:11:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 227 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:49,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-24 23:11:50,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-24 23:11:50,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:11:50,815 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-24 23:11:50,823 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:11:50,906 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-11-24 23:11:50,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:50 ImpRootNode [2023-11-24 23:11:50,913 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:50,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:50,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:50,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:50,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:33" (3/4) ... [2023-11-24 23:11:50,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:11:50,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-24 23:11:50,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:11:50,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:11:50,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:11:51,133 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:11:51,133 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:11:51,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:51,134 INFO L158 Benchmark]: Toolchain (without parser) took 19511.63ms. Allocated memory was 117.4MB in the beginning and 390.1MB in the end (delta: 272.6MB). Free memory was 92.4MB in the beginning and 162.4MB in the end (delta: -69.9MB). Peak memory consumption was 205.8MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,134 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:51,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.88ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 72.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.36ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 68.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,136 INFO L158 Benchmark]: Boogie Preprocessor took 83.83ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,136 INFO L158 Benchmark]: RCFGBuilder took 863.48ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 59.7MB in the end (delta: 6.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,137 INFO L158 Benchmark]: CodeCheck took 17676.94ms. Allocated memory was 117.4MB in the beginning and 390.1MB in the end (delta: 272.6MB). Free memory was 59.7MB in the beginning and 172.8MB in the end (delta: -113.0MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,137 INFO L158 Benchmark]: Witness Printer took 218.83ms. Allocated memory is still 390.1MB. Free memory was 172.8MB in the beginning and 162.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:11:51,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 524 IncrementalHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 7 mSDtfsCounter, 524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 988 GetRequests, 887 SyntacticMatches, 37 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1392 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1499 SizeOfPredicates, 596 NumberOfNonLiveVariables, 5327 ConjunctsInSsa, 688 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/147 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((((((((((1 == mask_SORT_1) && (0 == state_65)) && (0 == state_44)) && (state_8 == 0)) && (1 == var_20)) && (0 == state_30)) && (0 == state_63)) && (var_7 == 0)) && (1 == state_16)) && (0 == state_59)) && (0 == state_61)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.88ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 72.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.36ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 68.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.83ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.48ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 59.7MB in the end (delta: 6.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * CodeCheck took 17676.94ms. Allocated memory was 117.4MB in the beginning and 390.1MB in the end (delta: 272.6MB). Free memory was 59.7MB in the beginning and 172.8MB in the end (delta: -113.0MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. * Witness Printer took 218.83ms. Allocated memory is still 390.1MB. Free memory was 172.8MB in the beginning and 162.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:11:51,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6bdb71-c60c-419e-97b9-fb637d9e4e8a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE