./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm --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 dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:39,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:39,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:36:39,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:36:39,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:36:39,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:39,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:39,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:39,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:39,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:39,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:39,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:39,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:39,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:39,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:39,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:39,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:36:39,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm 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 -> dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 [2024-11-13 16:36:39,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:39,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:39,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:39,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:39,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:39,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c Unable to find full path for "g++" [2024-11-13 16:36:41,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:41,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:41,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2024-11-13 16:36:41,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/918785a5a/130a82eabfce49ee8690f497ddecbdc3/FLAG791284b59 [2024-11-13 16:36:42,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/918785a5a/130a82eabfce49ee8690f497ddecbdc3 [2024-11-13 16:36:42,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:42,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:42,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:42,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:42,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:42,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:42,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7206526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42, skipping insertion in model container [2024-11-13 16:36:42,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:42,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:42,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2024-11-13 16:36:42,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:42,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:42,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2024-11-13 16:36:42,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:42,829 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:42,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42 WrapperNode [2024-11-13 16:36:42,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:42,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:42,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:42,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:42,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:42,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,078 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1371 [2024-11-13 16:36:43,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:43,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:43,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:43,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:43,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:43,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:43,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:43,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:43,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:42" (1/1) ... [2024-11-13 16:36:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:43,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:43,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:43,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:36:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:43,657 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:43,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:46,555 INFO L? ?]: Removed 948 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:46,555 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:48,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:48,224 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:36:48,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48 BoogieIcfgContainer [2024-11-13 16:36:48,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:48,225 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:48,225 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:48,235 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:48,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48" (1/1) ... [2024-11-13 16:36:48,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:36:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:36:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:36:48,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:48,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:49,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:50,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:36:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:36:50,446 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:36:50,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:36:50 ImpRootNode [2024-11-13 16:36:50,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:36:50,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:36:50,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:36:50,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:36:50,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:48" (3/4) ... [2024-11-13 16:36:50,493 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:36:50,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:36:50,497 INFO L158 Benchmark]: Toolchain (without parser) took 8338.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.0MB in the beginning and 186.1MB in the end (delta: -93.1MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2024-11-13 16:36:50,499 INFO L158 Benchmark]: CDTParser took 1.40ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:50,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 56.2MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:36:50,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.02ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 73.1MB in the end (delta: -16.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:50,503 INFO L158 Benchmark]: Boogie Preprocessor took 199.89ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 62.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:50,504 INFO L158 Benchmark]: RCFGBuilder took 4944.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.8MB in the beginning and 162.7MB in the end (delta: -99.8MB). Peak memory consumption was 209.8MB. Max. memory is 16.1GB. [2024-11-13 16:36:50,504 INFO L158 Benchmark]: CodeCheck took 2263.88ms. Allocated memory is still 352.3MB. Free memory was 162.7MB in the beginning and 186.1MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:50,504 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 352.3MB. Free memory was 186.1MB in the beginning and 186.1MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:50,508 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: 2.2s, 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: 0.1s SsaConstructionTime, 0.3s 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 126, overapproximation of bitwiseAnd at line 52, overapproximation of bitwiseAnd at line 104. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_45 = 1; [L37] const SORT_1 var_49 = 1; [L38] const SORT_5 var_60 = 0; [L39] const SORT_3 var_81 = 0; [L40] const SORT_3 var_90 = 1; [L41] const SORT_3 var_99 = 2; [L42] const SORT_3 var_108 = 3; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_5 input_6; [L47] SORT_1 input_7; [L48] SORT_3 input_8; [L49] SORT_3 input_9; [L50] SORT_5 input_10; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L57] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L58] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L60] SORT_5 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L61] SORT_5 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L62] SORT_5 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L63] SORT_5 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_13_arg_1 = var_11; [L70] state_12 = init_13_arg_1 [L71] SORT_1 init_16_arg_1 = var_11; [L72] state_15 = init_16_arg_1 [L73] SORT_1 init_21_arg_1 = var_11; [L74] state_20 = init_21_arg_1 [L75] SORT_1 init_27_arg_1 = var_11; [L76] state_26 = init_27_arg_1 [L77] SORT_1 init_51_arg_1 = var_49; [L78] state_50 = init_51_arg_1 [L79] SORT_1 init_53_arg_1 = var_11; [L80] state_52 = init_53_arg_1 [L81] SORT_1 init_55_arg_1 = var_11; [L82] state_54 = init_55_arg_1 [L83] SORT_1 init_57_arg_1 = var_11; [L84] state_56 = init_57_arg_1 [L85] SORT_5 init_59_arg_1 = var_45; [L86] state_58 = init_59_arg_1 [L87] SORT_5 init_62_arg_1 = var_60; [L88] state_61 = init_62_arg_1 [L89] SORT_5 init_64_arg_1 = var_60; [L90] state_63 = init_64_arg_1 [L91] SORT_5 init_66_arg_1 = var_60; [L92] state_65 = init_66_arg_1 [L93] SORT_1 init_69_arg_1 = var_11; [L94] state_68 = init_69_arg_1 [L95] SORT_1 init_71_arg_1 = var_11; [L96] state_70 = init_71_arg_1 [L97] SORT_1 init_73_arg_1 = var_11; [L98] state_72 = init_73_arg_1 [L99] SORT_1 init_75_arg_1 = var_11; [L100] state_74 = init_75_arg_1 VAL [mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_60=0, var_81=0, var_90=1, var_99=2] [L103] input_2 = __VERIFIER_nondet_uchar() [L104] EXPR input_2 & mask_SORT_1 [L104] input_2 = input_2 & mask_SORT_1 [L105] input_4 = __VERIFIER_nondet_uchar() [L106] EXPR input_4 & mask_SORT_3 [L106] input_4 = input_4 & mask_SORT_3 [L107] input_6 = __VERIFIER_nondet_uchar() [L108] input_7 = __VERIFIER_nondet_uchar() [L109] EXPR input_7 & mask_SORT_1 [L109] input_7 = input_7 & mask_SORT_1 [L110] input_8 = __VERIFIER_nondet_uchar() [L111] EXPR input_8 & mask_SORT_3 [L111] input_8 = input_8 & mask_SORT_3 [L112] input_9 = __VERIFIER_nondet_uchar() [L113] EXPR input_9 & mask_SORT_3 [L113] input_9 = input_9 & mask_SORT_3 [L114] input_10 = __VERIFIER_nondet_uchar() [L115] EXPR input_10 & mask_SORT_5 [L115] input_10 = input_10 & mask_SORT_5 [L118] SORT_1 var_14_arg_0 = state_12; [L119] SORT_1 var_14_arg_1 = var_11; [L120] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L121] SORT_1 var_17_arg_0 = state_12; [L122] SORT_1 var_17_arg_1 = state_15; [L123] SORT_5 var_17 = var_17_arg_0 != var_17_arg_1; [L124] SORT_5 var_18_arg_0 = var_14; [L125] SORT_5 var_18_arg_1 = var_17; [L126] EXPR var_18_arg_0 | var_18_arg_1 [L126] SORT_5 var_18 = var_18_arg_0 | var_18_arg_1; [L127] SORT_1 var_19_arg_0 = state_12; [L128] SORT_1 var_19_arg_1 = var_11; [L129] SORT_5 var_19 = var_19_arg_0 == var_19_arg_1; [L130] SORT_1 var_22_arg_0 = state_12; [L131] SORT_1 var_22_arg_1 = state_20; [L132] SORT_5 var_22 = var_22_arg_0 != var_22_arg_1; [L133] SORT_5 var_23_arg_0 = var_19; [L134] SORT_5 var_23_arg_1 = var_22; [L135] EXPR var_23_arg_0 | var_23_arg_1 [L135] SORT_5 var_23 = var_23_arg_0 | var_23_arg_1; [L136] SORT_5 var_24_arg_0 = var_18; [L137] SORT_5 var_24_arg_1 = var_23; [L138] EXPR var_24_arg_0 & var_24_arg_1 [L138] SORT_5 var_24 = var_24_arg_0 & var_24_arg_1; [L139] SORT_1 var_25_arg_0 = state_12; [L140] SORT_1 var_25_arg_1 = var_11; [L141] SORT_5 var_25 = var_25_arg_0 == var_25_arg_1; [L142] SORT_1 var_28_arg_0 = state_12; [L143] SORT_1 var_28_arg_1 = state_26; [L144] SORT_5 var_28 = var_28_arg_0 != var_28_arg_1; [L145] SORT_5 var_29_arg_0 = var_25; [L146] SORT_5 var_29_arg_1 = var_28; [L147] EXPR var_29_arg_0 | var_29_arg_1 [L147] SORT_5 var_29 = var_29_arg_0 | var_29_arg_1; [L148] SORT_5 var_30_arg_0 = var_24; [L149] SORT_5 var_30_arg_1 = var_29; [L150] EXPR var_30_arg_0 & var_30_arg_1 [L150] SORT_5 var_30 = var_30_arg_0 & var_30_arg_1; [L151] SORT_1 var_31_arg_0 = state_15; [L152] SORT_1 var_31_arg_1 = var_11; [L153] SORT_5 var_31 = var_31_arg_0 == var_31_arg_1; [L154] SORT_1 var_32_arg_0 = state_15; [L155] SORT_1 var_32_arg_1 = state_20; [L156] SORT_5 var_32 = var_32_arg_0 != var_32_arg_1; [L157] SORT_5 var_33_arg_0 = var_31; [L158] SORT_5 var_33_arg_1 = var_32; [L159] EXPR var_33_arg_0 | var_33_arg_1 [L159] SORT_5 var_33 = var_33_arg_0 | var_33_arg_1; [L160] SORT_5 var_34_arg_0 = var_30; [L161] SORT_5 var_34_arg_1 = var_33; [L162] EXPR var_34_arg_0 & var_34_arg_1 [L162] SORT_5 var_34 = var_34_arg_0 & var_34_arg_1; [L163] SORT_1 var_35_arg_0 = state_15; [L164] SORT_1 var_35_arg_1 = var_11; [L165] SORT_5 var_35 = var_35_arg_0 == var_35_arg_1; [L166] SORT_1 var_36_arg_0 = state_15; [L167] SORT_1 var_36_arg_1 = state_26; [L168] SORT_5 var_36 = var_36_arg_0 != var_36_arg_1; [L169] SORT_5 var_37_arg_0 = var_35; [L170] SORT_5 var_37_arg_1 = var_36; [L171] EXPR var_37_arg_0 | var_37_arg_1 [L171] SORT_5 var_37 = var_37_arg_0 | var_37_arg_1; [L172] SORT_5 var_38_arg_0 = var_34; [L173] SORT_5 var_38_arg_1 = var_37; [L174] EXPR var_38_arg_0 & var_38_arg_1 [L174] SORT_5 var_38 = var_38_arg_0 & var_38_arg_1; [L175] SORT_1 var_39_arg_0 = state_20; [L176] SORT_1 var_39_arg_1 = var_11; [L177] SORT_5 var_39 = var_39_arg_0 == var_39_arg_1; [L178] SORT_1 var_40_arg_0 = state_20; [L179] SORT_1 var_40_arg_1 = state_26; [L180] SORT_5 var_40 = var_40_arg_0 != var_40_arg_1; [L181] SORT_5 var_41_arg_0 = var_39; [L182] SORT_5 var_41_arg_1 = var_40; [L183] EXPR var_41_arg_0 | var_41_arg_1 [L183] SORT_5 var_41 = var_41_arg_0 | var_41_arg_1; [L184] SORT_5 var_42_arg_0 = var_38; [L185] SORT_5 var_42_arg_1 = var_41; [L186] EXPR var_42_arg_0 & var_42_arg_1 [L186] SORT_5 var_42 = var_42_arg_0 & var_42_arg_1; [L187] SORT_5 var_46_arg_0 = var_42; [L188] SORT_5 var_46 = ~var_46_arg_0; [L189] SORT_5 var_47_arg_0 = var_45; [L190] SORT_5 var_47_arg_1 = var_46; [L191] EXPR var_47_arg_0 & var_47_arg_1 [L191] SORT_5 var_47 = var_47_arg_0 & var_47_arg_1; [L192] EXPR var_47 & mask_SORT_5 [L192] var_47 = var_47 & mask_SORT_5 [L193] SORT_5 bad_48_arg_0 = var_47; [L194] CALL __VERIFIER_assert(!(bad_48_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 56.2MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.02ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 73.1MB in the end (delta: -16.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 199.89ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 62.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4944.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.8MB in the beginning and 162.7MB in the end (delta: -99.8MB). Peak memory consumption was 209.8MB. Max. memory is 16.1GB. * CodeCheck took 2263.88ms. Allocated memory is still 352.3MB. Free memory was 162.7MB in the beginning and 186.1MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 352.3MB. Free memory was 186.1MB in the beginning and 186.1MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:36:50,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm --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 dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:53,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:53,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:36:53,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:53,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:53,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:53,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:53,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:53,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:53,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:53,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:53,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:53,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:53,401 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:53,401 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:36:53,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:53,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:53,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:53,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:53,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:53,402 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:36:53,402 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:53,403 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:36:53,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm 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 -> dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 [2024-11-13 16:36:53,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:53,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:53,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:53,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:53,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:53,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c Unable to find full path for "g++" [2024-11-13 16:36:55,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:56,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:56,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2024-11-13 16:36:56,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/d55cb2159/5694cb09b879416993ebeee9d5ed0999/FLAGe1d4e29b2 [2024-11-13 16:36:56,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/data/d55cb2159/5694cb09b879416993ebeee9d5ed0999 [2024-11-13 16:36:56,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:56,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:56,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:56,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:56,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:56,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aed973f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56, skipping insertion in model container [2024-11-13 16:36:56,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:56,462 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2024-11-13 16:36:56,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:56,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:56,710 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2024-11-13 16:36:56,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:56,846 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:56,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56 WrapperNode [2024-11-13 16:36:56,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:56,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:56,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:56,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:56,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,950 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 899 [2024-11-13 16:36:56,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:56,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:56,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:56,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:56,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:56,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:57,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:57,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:57,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:57,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:56" (1/1) ... [2024-11-13 16:36:57,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:57,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:57,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:57,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:36:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:57,432 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:57,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:58,512 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:58,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:58,566 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:58,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:36:58,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:58 BoogieIcfgContainer [2024-11-13 16:36:58,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:58,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:58,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:58,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:58,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:58" (1/1) ... [2024-11-13 16:36:58,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:36:58,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:36:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:36:58,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:58,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:58,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:58,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:58,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:36:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:59,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:59,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 16:36:59,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:36:59,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:37:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:37:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:37:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:00,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:00,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:00,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:00,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:37:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:00,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:01,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 16:37:01,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:03,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:37:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-13 16:37:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-13 16:37:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:37:04,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:04,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:04,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:37:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:05,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:05,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-13 16:37:05,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:44,444 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 1133 DAG size of output: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:44,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:37:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 19 states and 41 transitions. [2024-11-13 16:37:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 41 transitions. [2024-11-13 16:37:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:37:51,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:51,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:51,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70512ffa-0621-42e8-9e4d-40a6c33805c2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:37:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:53,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:54,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-13 16:37:54,415 INFO L278 TraceCheckSpWp]: Computing forward predicates...