./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3 --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 7edbd2d714654fb3cac877a34ec7b56a1dc045c2b1f9c322f5dfaacff9b2ba72 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:40,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:40,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:48:40,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:48:40,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:48:40,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:40,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:40,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:40,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:40,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:40,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:40,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:40,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:40,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:40,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:40,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:40,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:40,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:40,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:40,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:40,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:40,893 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:48:40,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:48:40,893 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7edbd2d714654fb3cac877a34ec7b56a1dc045c2b1f9c322f5dfaacff9b2ba72 [2024-11-25 02:48:41,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:41,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:41,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:41,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:41,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:41,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-25 02:48:44,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/4c8e249e3/de84f10791b249a599ab36e0e41ece7f/FLAG44e8ee3db [2024-11-25 02:48:44,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:44,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-25 02:48:44,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/4c8e249e3/de84f10791b249a599ab36e0e41ece7f/FLAG44e8ee3db [2024-11-25 02:48:45,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/4c8e249e3/de84f10791b249a599ab36e0e41ece7f [2024-11-25 02:48:45,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:45,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:45,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:45,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:45,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:45,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477c4330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45, skipping insertion in model container [2024-11-25 02:48:45,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:45,289 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-25 02:48:45,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:45,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:45,508 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-25 02:48:45,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:45,686 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:45,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45 WrapperNode [2024-11-25 02:48:45,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:45,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:45,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:45,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:45,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,864 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 729 [2024-11-25 02:48:45,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:45,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:45,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:45,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:45,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:45,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:45,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:45,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:45,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:46,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:46,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:48:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:46,371 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:46,374 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:47,807 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:47,808 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:48,848 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:48,848 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:48:48,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:48 BoogieIcfgContainer [2024-11-25 02:48:48,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:48,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:48,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:48,864 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:48,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:48" (1/1) ... [2024-11-25 02:48:48,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:48:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:48:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:48:48,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:49,467 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:50,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:50,284 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:48:50,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:48:50 ImpRootNode [2024-11-25 02:48:50,346 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:48:50,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:48:50,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:48:50,348 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:48:50,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:48" (3/4) ... [2024-11-25 02:48:50,354 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:48:50,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:48:50,356 INFO L158 Benchmark]: Toolchain (without parser) took 5340.51ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 91.5MB in the beginning and 120.4MB in the end (delta: -28.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-11-25 02:48:50,357 INFO L158 Benchmark]: CDTParser took 1.71ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:50,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.99ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 70.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:50,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.19ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 56.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:48:50,361 INFO L158 Benchmark]: Boogie Preprocessor took 123.23ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 51.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:48:50,362 INFO L158 Benchmark]: RCFGBuilder took 2856.15ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 23.3MB in the end (delta: 28.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-25 02:48:50,362 INFO L158 Benchmark]: CodeCheck took 1495.77ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 23.3MB in the beginning and 120.4MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:50,363 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 209.7MB. Free memory was 120.4MB in the beginning and 120.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:50,368 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: 1.4s, 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, 0.2s 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, ConComCheckerStatistics: 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 163, overapproximation of bitwiseAnd at line 77, overapproximation of bitwiseAnd at line 150. 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; [L44] const SORT_67 var_68 = 0; [L45] const SORT_10 var_119 = 104; [L46] const SORT_10 var_136 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_29; [L53] SORT_31 input_32; [L54] SORT_31 input_34; [L55] SORT_1 input_36; [L56] SORT_1 input_38; [L57] SORT_1 input_44; [L58] SORT_1 input_46; [L59] SORT_1 input_48; [L60] SORT_3 input_52; [L61] SORT_1 input_55; [L62] SORT_1 input_63; [L63] SORT_1 input_73; [L64] SORT_1 input_79; [L65] SORT_1 input_81; [L66] SORT_1 input_95; [L67] SORT_1 input_101; [L68] SORT_1 input_107; [L69] SORT_1 input_113; [L70] SORT_1 input_114; [L71] SORT_1 input_115; [L72] SORT_67 input_134; [L73] SORT_1 input_143; [L74] SORT_1 input_144; [L75] SORT_1 input_145; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_ushort() & mask_SORT_67 [L88] SORT_67 state_69 = __VERIFIER_nondet_ushort() & mask_SORT_67; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 init_9_arg_1 = var_7; [L92] state_8 = init_9_arg_1 [L93] SORT_1 init_15_arg_1 = var_7; [L94] state_14 = init_15_arg_1 [L95] SORT_1 init_26_arg_1 = var_7; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_7; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_41_arg_1 = var_7; [L100] state_40 = init_41_arg_1 [L101] SORT_1 init_43_arg_1 = var_7; [L102] state_42 = init_43_arg_1 [L103] SORT_1 init_51_arg_1 = var_21; [L104] state_50 = init_51_arg_1 [L105] SORT_1 init_58_arg_1 = var_7; [L106] state_57 = init_58_arg_1 [L107] SORT_1 init_60_arg_1 = var_7; [L108] state_59 = init_60_arg_1 [L109] SORT_1 init_62_arg_1 = var_7; [L110] state_61 = init_62_arg_1 [L111] SORT_1 init_66_arg_1 = var_7; [L112] state_65 = init_66_arg_1 [L113] SORT_67 init_70_arg_1 = var_68; [L114] state_69 = init_70_arg_1 [L115] SORT_1 init_72_arg_1 = var_7; [L116] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_67=1023, state_14=0, state_25=0, state_27=0, state_40=0, state_42=0, state_50=1, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_119=104, var_12=0, var_136=1, var_21=1, var_68=0, var_7=0] [L119] input_2 = __VERIFIER_nondet_uchar() [L120] input_4 = __VERIFIER_nondet_uchar() [L121] input_5 = __VERIFIER_nondet_uchar() [L122] input_6 = __VERIFIER_nondet_uchar() [L123] input_29 = __VERIFIER_nondet_uchar() [L124] input_32 = __VERIFIER_nondet_uchar() [L125] input_34 = __VERIFIER_nondet_uchar() [L126] input_36 = __VERIFIER_nondet_uchar() [L127] input_38 = __VERIFIER_nondet_uchar() [L128] input_44 = __VERIFIER_nondet_uchar() [L129] input_46 = __VERIFIER_nondet_uchar() [L130] input_48 = __VERIFIER_nondet_uchar() [L131] input_52 = __VERIFIER_nondet_uchar() [L132] input_55 = __VERIFIER_nondet_uchar() [L133] input_63 = __VERIFIER_nondet_uchar() [L134] input_73 = __VERIFIER_nondet_uchar() [L135] input_79 = __VERIFIER_nondet_uchar() [L136] input_81 = __VERIFIER_nondet_uchar() [L137] input_95 = __VERIFIER_nondet_uchar() [L138] input_101 = __VERIFIER_nondet_uchar() [L139] input_107 = __VERIFIER_nondet_uchar() [L140] input_113 = __VERIFIER_nondet_uchar() [L141] input_114 = __VERIFIER_nondet_uchar() [L142] input_115 = __VERIFIER_nondet_uchar() [L143] input_134 = __VERIFIER_nondet_ushort() [L144] input_143 = __VERIFIER_nondet_uchar() [L145] input_144 = __VERIFIER_nondet_uchar() [L146] input_145 = __VERIFIER_nondet_uchar() [L149] SORT_1 var_11_arg_0 = state_8; [L150] EXPR var_11_arg_0 & mask_SORT_1 [L150] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L151] SORT_10 var_11 = var_11_arg_0; [L152] SORT_10 var_13_arg_0 = var_11; [L153] SORT_10 var_13_arg_1 = var_12; [L154] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L155] SORT_1 var_16_arg_0 = state_14; [L156] EXPR var_16_arg_0 & mask_SORT_1 [L156] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L157] SORT_10 var_16 = var_16_arg_0; [L158] SORT_10 var_17_arg_0 = var_16; [L159] SORT_10 var_17_arg_1 = var_12; [L160] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L161] SORT_1 var_18_arg_0 = var_13; [L162] SORT_1 var_18_arg_1 = var_17; [L163] EXPR var_18_arg_0 | var_18_arg_1 [L163] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L164] SORT_1 var_22_arg_0 = var_18; [L165] SORT_1 var_22 = ~var_22_arg_0; [L166] SORT_1 var_23_arg_0 = var_21; [L167] SORT_1 var_23_arg_1 = var_22; [L168] EXPR var_23_arg_0 & var_23_arg_1 [L168] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L169] EXPR var_23 & mask_SORT_1 [L169] var_23 = var_23 & mask_SORT_1 [L170] SORT_1 bad_24_arg_0 = var_23; [L171] CALL __VERIFIER_assert(!(bad_24_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 1.71ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.99ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 70.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.19ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 56.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.23ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 51.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2856.15ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 23.3MB in the end (delta: 28.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * CodeCheck took 1495.77ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 23.3MB in the beginning and 120.4MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 209.7MB. Free memory was 120.4MB in the beginning and 120.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:48:50,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3 --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 7edbd2d714654fb3cac877a34ec7b56a1dc045c2b1f9c322f5dfaacff9b2ba72 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:53,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:53,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:48:53,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:53,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:53,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:53,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:53,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:53,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:53,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:53,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:53,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:53,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:53,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:53,858 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:48:53,858 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:48:53,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:53,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:53,859 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:48:53,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:53,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:53,860 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:48:53,860 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7edbd2d714654fb3cac877a34ec7b56a1dc045c2b1f9c322f5dfaacff9b2ba72 [2024-11-25 02:48:54,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:54,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:54,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:54,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:54,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:54,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-25 02:48:57,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/7a36357be/5a71b0ced4494c0abd1c93b2a8d9f039/FLAG862d0122e [2024-11-25 02:48:58,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:58,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-25 02:48:58,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/7a36357be/5a71b0ced4494c0abd1c93b2a8d9f039/FLAG862d0122e [2024-11-25 02:48:58,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/data/7a36357be/5a71b0ced4494c0abd1c93b2a8d9f039 [2024-11-25 02:48:58,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:58,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:58,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:58,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:58,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:58,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:58" (1/1) ... [2024-11-25 02:48:58,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4307e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:58, skipping insertion in model container [2024-11-25 02:48:58,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:58" (1/1) ... [2024-11-25 02:48:58,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:58,727 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-25 02:48:58,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:58,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:58,898 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_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-25 02:48:59,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:59,065 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:59,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59 WrapperNode [2024-11-25 02:48:59,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:59,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:59,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:59,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:59,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,140 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 465 [2024-11-25 02:48:59,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:59,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:59,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:59,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:59,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:59,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:59,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:59,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:59,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:59" (1/1) ... [2024-11-25 02:48:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:59,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:59,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:59,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:48:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:59,490 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:59,492 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:59,981 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:59,981 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:49:00,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:49:00,028 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:49:00,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:00 BoogieIcfgContainer [2024-11-25 02:49:00,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:49:00,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:49:00,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:49:00,046 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:49:00,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:00" (1/1) ... [2024-11-25 02:49:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:49:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:49:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:49:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:49:00,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:00,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:00,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:00,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:00,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:49:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:00,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:00,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:49:00,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:00,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:49:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:49:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:49:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:49:01,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:01,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:01,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:01,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:01,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:49:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:01,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:01,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:49:01,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:49:01,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:49:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2024-11-25 02:49:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2024-11-25 02:49:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:49:02,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:02,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:02,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:02,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b4bb3e-6cfb-47cf-b9f9-fe1941aec81d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:49:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:02,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:03,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 02:49:03,090 INFO L279 TraceCheckSpWp]: Computing forward predicates...