./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:38,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:38,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:52:38,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:38,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:38,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:38,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:38,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:38,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:38,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:38,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:38,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:38,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:38,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:38,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:38,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:38,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:38,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:38,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:38,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:38,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:38,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:38,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:38,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:38,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:38,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:38,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:38,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:38,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:38,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:38,304 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be [2023-11-24 22:52:38,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:38,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:38,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:38,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:38,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:38,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-24 22:52:41,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:42,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:42,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-24 22:52:42,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/4154f9df5/2be84721ade644d89c7c751d9382fc96/FLAG02d75e917 [2023-11-24 22:52:42,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/4154f9df5/2be84721ade644d89c7c751d9382fc96 [2023-11-24 22:52:42,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:42,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:42,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:42,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:42,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:42,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc411d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42, skipping insertion in model container [2023-11-24 22:52:42,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:42,316 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-24 22:52:42,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:42,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:42,437 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-24 22:52:42,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:42,502 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:42,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42 WrapperNode [2023-11-24 22:52:42,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:42,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:42,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:42,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:42,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,630 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 449 [2023-11-24 22:52:42,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:42,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:42,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:42,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:42,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:42,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:42,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:42,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:42,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:42" (1/1) ... [2023-11-24 22:52:42,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:42,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:42,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:42,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:42,999 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:43,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:43,742 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:44,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:44,356 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:44,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:44 BoogieIcfgContainer [2023-11-24 22:52:44,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:44,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:44,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:44,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:44,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:44" (1/1) ... [2023-11-24 22:52:44,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:52:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:52:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:52:44,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:44,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:44,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:45,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:45,439 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:52:45,489 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 22:52:45,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:45 ImpRootNode [2023-11-24 22:52:45,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:45,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:45,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:45,506 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:45,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:44" (3/4) ... [2023-11-24 22:52:45,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:52:45,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:45,521 INFO L158 Benchmark]: Toolchain (without parser) took 3446.80ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 71.0MB in the end (delta: 70.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,522 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 103.9MB in the beginning and 103.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:45,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.54ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 125.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.63ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 117.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,525 INFO L158 Benchmark]: Boogie Preprocessor took 106.10ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,528 INFO L158 Benchmark]: RCFGBuilder took 1620.35ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 115.1MB in the end (delta: -601.1kB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,529 INFO L158 Benchmark]: CodeCheck took 1142.82ms. Allocated memory is still 169.9MB. Free memory was 115.1MB in the beginning and 71.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 22:52:45,530 INFO L158 Benchmark]: Witness Printer took 14.11ms. Allocated memory is still 169.9MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:45,540 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, 0.2s 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 136, overapproximation of bitwiseAnd at line 123. 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_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L36] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_21 = 1; [L45] SORT_1 input_2; [L46] SORT_3 input_4; [L47] SORT_1 input_5; [L48] SORT_1 input_6; [L49] SORT_1 input_29; [L50] SORT_31 input_32; [L51] SORT_31 input_34; [L52] SORT_1 input_36; [L53] SORT_1 input_38; [L54] SORT_1 input_42; [L55] SORT_1 input_44; [L56] SORT_1 input_46; [L57] SORT_1 input_48; [L58] SORT_3 input_50; [L59] SORT_1 input_53; [L60] SORT_1 input_55; [L61] SORT_1 input_59; [L62] SORT_1 input_63; [L63] SORT_1 input_65; [L64] SORT_67 input_68; [L65] SORT_1 input_70; [L66] SORT_1 input_72; [L67] SORT_1 input_78; [L68] SORT_1 input_85; [L69] SORT_1 input_91; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 init_9_arg_1 = var_7; [L80] state_8 = init_9_arg_1 [L81] SORT_1 init_15_arg_1 = var_7; [L82] state_14 = init_15_arg_1 [L83] SORT_1 init_26_arg_1 = var_7; [L84] state_25 = init_26_arg_1 [L85] SORT_1 init_28_arg_1 = var_7; [L86] state_27 = init_28_arg_1 [L87] SORT_1 init_41_arg_1 = var_7; [L88] state_40 = init_41_arg_1 [L89] SORT_1 init_58_arg_1 = var_7; [L90] state_57 = init_58_arg_1 [L91] SORT_1 init_62_arg_1 = var_7; [L92] state_61 = init_62_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_12=0, var_21=1, var_7=0] [L95] input_2 = __VERIFIER_nondet_uchar() [L96] input_4 = __VERIFIER_nondet_uchar() [L97] input_5 = __VERIFIER_nondet_uchar() [L98] input_6 = __VERIFIER_nondet_uchar() [L99] input_29 = __VERIFIER_nondet_uchar() [L100] input_32 = __VERIFIER_nondet_uchar() [L101] input_34 = __VERIFIER_nondet_uchar() [L102] input_36 = __VERIFIER_nondet_uchar() [L103] input_38 = __VERIFIER_nondet_uchar() [L104] input_42 = __VERIFIER_nondet_uchar() [L105] input_44 = __VERIFIER_nondet_uchar() [L106] input_46 = __VERIFIER_nondet_uchar() [L107] input_48 = __VERIFIER_nondet_uchar() [L108] input_50 = __VERIFIER_nondet_uchar() [L109] input_53 = __VERIFIER_nondet_uchar() [L110] input_55 = __VERIFIER_nondet_uchar() [L111] input_59 = __VERIFIER_nondet_uchar() [L112] input_63 = __VERIFIER_nondet_uchar() [L113] input_65 = __VERIFIER_nondet_uchar() [L114] input_68 = __VERIFIER_nondet_ushort() [L115] input_70 = __VERIFIER_nondet_uchar() [L116] input_72 = __VERIFIER_nondet_uchar() [L117] input_78 = __VERIFIER_nondet_uchar() [L118] input_85 = __VERIFIER_nondet_uchar() [L119] input_91 = __VERIFIER_nondet_uchar() [L122] SORT_1 var_11_arg_0 = state_8; [L123] EXPR var_11_arg_0 & mask_SORT_1 [L123] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L124] SORT_10 var_11 = var_11_arg_0; [L125] SORT_10 var_13_arg_0 = var_11; [L126] SORT_10 var_13_arg_1 = var_12; [L127] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L128] SORT_1 var_16_arg_0 = state_14; [L129] EXPR var_16_arg_0 & mask_SORT_1 [L129] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L130] SORT_10 var_16 = var_16_arg_0; [L131] SORT_10 var_17_arg_0 = var_16; [L132] SORT_10 var_17_arg_1 = var_12; [L133] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L134] SORT_1 var_18_arg_0 = var_13; [L135] SORT_1 var_18_arg_1 = var_17; [L136] EXPR var_18_arg_0 | var_18_arg_1 [L136] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L137] SORT_1 var_22_arg_0 = var_18; [L138] SORT_1 var_22 = ~var_22_arg_0; [L139] SORT_1 var_23_arg_0 = var_21; [L140] SORT_1 var_23_arg_1 = var_22; [L141] EXPR var_23_arg_0 & var_23_arg_1 [L141] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L142] EXPR var_23 & mask_SORT_1 [L142] var_23 = var_23 & mask_SORT_1 [L143] SORT_1 bad_24_arg_0 = var_23; [L144] CALL __VERIFIER_assert(!(bad_24_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 0.30ms. Allocated memory is still 130.0MB. Free memory was 103.9MB in the beginning and 103.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.54ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 125.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.63ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 117.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.10ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1620.35ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 115.1MB in the end (delta: -601.1kB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * CodeCheck took 1142.82ms. Allocated memory is still 169.9MB. Free memory was 115.1MB in the beginning and 71.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 14.11ms. Allocated memory is still 169.9MB. Free memory is still 71.0MB. 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 22:52:45,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:48,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:48,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 22:52:48,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:48,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:48,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:48,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:48,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:48,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:48,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:48,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:48,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:48,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:48,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:48,403 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:48,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:48,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:48,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:48,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:48,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:48,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:48,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:48,408 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:48,409 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:48,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:48,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:48,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:48,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:48,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:48,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:48,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:48,413 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:48,413 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:48,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:48,414 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be [2023-11-24 22:52:48,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:48,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:48,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:48,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:48,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:48,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-24 22:52:51,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:52,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:52,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-24 22:52:52,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/48a81f239/7d80fa86f7d1422ca8281b1dde1bcfaa/FLAG344ac2c96 [2023-11-24 22:52:52,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/data/48a81f239/7d80fa86f7d1422ca8281b1dde1bcfaa [2023-11-24 22:52:52,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:52,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:52,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:52,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:52,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:52,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3771bae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52, skipping insertion in model container [2023-11-24 22:52:52,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:52,532 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-24 22:52:52,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:52,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:52,638 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_afa16933-3bf7-4d7e-8a09-81c7af8045f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-24 22:52:52,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:52,720 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:52,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52 WrapperNode [2023-11-24 22:52:52,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:52,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:52,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:52,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:52,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,816 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 279 [2023-11-24 22:52:52,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:52,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:52,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:52,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:52,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:52,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:52,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:52,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:52,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:52,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:52,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:53,187 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:53,190 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:53,538 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:53,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:53,613 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:53,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:53 BoogieIcfgContainer [2023-11-24 22:52:53,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:53,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:53,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:53,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:53,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:53" (1/1) ... [2023-11-24 22:52:53,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:52:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:52:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:52:53,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:53,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:53,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:52:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:52:53,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:54,291 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 22:52:54,295 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:54,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 22:52:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 22:52:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:52:54,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:54,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:54,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:52:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:52:54,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:55,272 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 22:52:55,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-24 22:52:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-24 22:52:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:55,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:55,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:52:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 22:52:56,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:56,641 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 22:52:56,645 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:56,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2023-11-24 22:52:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2023-11-24 22:52:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:57,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:57,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:57,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:57,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:52:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:52:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-24 22:52:58,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:58,839 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 22:52:58,843 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:58,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:53:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2023-11-24 22:53:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2023-11-24 22:53:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:00,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:00,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:53:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:01,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:53:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-24 22:53:01,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:02,167 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 22:53:02,172 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:53:02,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:53:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-24 22:53:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-24 22:53:03,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:53:03,029 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-24 22:53:03,039 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:53:03,101 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-24 22:53:03,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:03 ImpRootNode [2023-11-24 22:53:03,108 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:03,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:03,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:03,109 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:03,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:53" (3/4) ... [2023-11-24 22:53:03,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:53:03,123 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-24 22:53:03,124 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:53:03,125 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:53:03,125 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:53:03,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:53:03,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:53:03,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:03,288 INFO L158 Benchmark]: Toolchain (without parser) took 11003.92ms. Allocated memory was 111.1MB in the beginning and 207.6MB in the end (delta: 96.5MB). Free memory was 86.8MB in the beginning and 86.0MB in the end (delta: 860.7kB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,288 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:03,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.50ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 70.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.84ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 68.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,290 INFO L158 Benchmark]: Boogie Preprocessor took 87.38ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 66.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,290 INFO L158 Benchmark]: RCFGBuilder took 705.98ms. Allocated memory is still 111.1MB. Free memory was 66.1MB in the beginning and 67.3MB in the end (delta: -1.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,290 INFO L158 Benchmark]: CodeCheck took 9489.34ms. Allocated memory was 111.1MB in the beginning and 207.6MB in the end (delta: 96.5MB). Free memory was 67.3MB in the beginning and 94.3MB in the end (delta: -27.0MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,291 INFO L158 Benchmark]: Witness Printer took 178.68ms. Allocated memory is still 207.6MB. Free memory was 93.3MB in the beginning and 86.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:53:03,293 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: 9.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 5 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 446 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2166 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 SizeOfPredicates, 294 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 319 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50 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: 93]: Loop Invariant Derived loop invariant: (((((((((1 == mask_SORT_1) && (0 == state_27)) && (state_8 == 0)) && (0 == state_40)) && (var_7 == 0)) && (0 == state_57)) && (1 == var_21)) && (0 == state_61)) && (var_12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.50ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 70.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.84ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 68.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.38ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 66.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.98ms. Allocated memory is still 111.1MB. Free memory was 66.1MB in the beginning and 67.3MB in the end (delta: -1.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * CodeCheck took 9489.34ms. Allocated memory was 111.1MB in the beginning and 207.6MB in the end (delta: 96.5MB). Free memory was 67.3MB in the beginning and 94.3MB in the end (delta: -27.0MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Witness Printer took 178.68ms. Allocated memory is still 207.6MB. Free memory was 93.3MB in the beginning and 86.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:53:03,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa16933-3bf7-4d7e-8a09-81c7af8045f0/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