./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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 c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:43:28,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:43:28,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:43:28,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:43:28,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:43:28,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:43:28,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:43:28,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:43:28,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:43:28,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:43:28,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:43:28,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:43:28,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:43:28,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:43:28,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:43:28,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:43:28,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:43:28,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:28,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:43:28,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:43:28,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:43:28,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:43:28,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:43:28,760 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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 -> c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 [2024-11-25 02:43:29,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:43:29,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:43:29,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:43:29,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:43:29,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:43:29,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2024-11-25 02:43:32,036 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/62eb52c46/e7d9c618a7d5474597030efc83d512e7/FLAGf3b40df24 [2024-11-25 02:43:32,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:43:32,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2024-11-25 02:43:32,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/62eb52c46/e7d9c618a7d5474597030efc83d512e7/FLAGf3b40df24 [2024-11-25 02:43:32,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/62eb52c46/e7d9c618a7d5474597030efc83d512e7 [2024-11-25 02:43:32,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:43:32,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:43:32,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:32,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:43:32,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:43:32,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:32" (1/1) ... [2024-11-25 02:43:32,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e5ed87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:32, skipping insertion in model container [2024-11-25 02:43:32,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:32" (1/1) ... [2024-11-25 02:43:32,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:43:32,830 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2024-11-25 02:43:33,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:33,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:43:33,077 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2024-11-25 02:43:33,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:33,240 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:43:33,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33 WrapperNode [2024-11-25 02:43:33,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:33,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:33,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:43:33,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:43:33,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,510 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1219 [2024-11-25 02:43:33,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:33,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:43:33,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:43:33,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:43:33,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,689 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:43:33,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:43:33,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:43:33,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:43:33,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:33" (1/1) ... [2024-11-25 02:43:33,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:43:33,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:43:33,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:43:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:43:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:43:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:43:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:43:34,107 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:43:34,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:43:36,104 INFO L? ?]: Removed 732 outVars from TransFormulas that were not future-live. [2024-11-25 02:43:36,104 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:43:38,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:43:38,126 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:43:38,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:38 BoogieIcfgContainer [2024-11-25 02:43:38,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:43:38,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:43:38,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:43:38,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:43:38,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:38" (1/1) ... [2024-11-25 02:43:38,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:43:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:43:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:43:38,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:43:38,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:38,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:38,533 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:38,951 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:43:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:43:39,250 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:43:39,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:43:39 ImpRootNode [2024-11-25 02:43:39,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:43:39,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:43:39,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:43:39,307 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:43:39,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:38" (3/4) ... [2024-11-25 02:43:39,311 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:43:39,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:43:39,313 INFO L158 Benchmark]: Toolchain (without parser) took 6698.22ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 91.6MB in the beginning and 225.2MB in the end (delta: -133.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,313 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 02:43:39,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.32ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 61.3MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.31ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 77.4MB in the end (delta: -16.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,315 INFO L158 Benchmark]: Boogie Preprocessor took 251.65ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 70.3MB in the end (delta: 7.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,315 INFO L158 Benchmark]: RCFGBuilder took 4363.60ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 70.3MB in the beginning and 65.9MB in the end (delta: 4.4MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,316 INFO L158 Benchmark]: CodeCheck took 1175.85ms. Allocated memory was 234.9MB in the beginning and 327.2MB in the end (delta: 92.3MB). Free memory was 65.9MB in the beginning and 225.2MB in the end (delta: -159.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:43:39,318 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 327.2MB. Free memory was 225.2MB in the beginning and 225.2MB in the end (delta: 20.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:43:39,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s 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 bitwiseAnd at line 129, overapproximation of bitwiseAnd at line 115. 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 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 2); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (2 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L38] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 16); [L39] const SORT_22 msb_SORT_22 = (SORT_22)1 << (16 - 1); [L41] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 13); [L42] const SORT_68 msb_SORT_68 = (SORT_68)1 << (13 - 1); [L44] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 6); [L45] const SORT_71 msb_SORT_71 = (SORT_71)1 << (6 - 1); [L47] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 10); [L48] const SORT_73 msb_SORT_73 = (SORT_73)1 << (10 - 1); [L50] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 9); [L51] const SORT_79 msb_SORT_79 = (SORT_79)1 << (9 - 1); [L53] const SORT_81 mask_SORT_81 = (SORT_81)-1 >> (sizeof(SORT_81) * 8 - 7); [L54] const SORT_81 msb_SORT_81 = (SORT_81)1 << (7 - 1); [L56] const SORT_84 mask_SORT_84 = (SORT_84)-1 >> (sizeof(SORT_84) * 8 - 12); [L57] const SORT_84 msb_SORT_84 = (SORT_84)1 << (12 - 1); [L59] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 4); [L60] const SORT_86 msb_SORT_86 = (SORT_86)1 << (4 - 1); [L62] const SORT_1 var_7 = 0; [L63] const SORT_10 var_12 = 0; [L64] const SORT_1 var_16 = 1; [L65] const SORT_22 var_23 = 8; [L66] const SORT_22 var_24 = 10; [L67] const SORT_3 var_25 = 1; [L68] const SORT_22 var_28 = 88; [L69] const SORT_22 var_29 = 584; [L70] const SORT_3 var_30 = 3; [L71] const SORT_3 var_33 = 2; [L72] const SORT_22 var_37 = 705; [L73] const SORT_22 var_38 = 611; [L74] const SORT_3 var_39 = 5; [L75] const SORT_22 var_42 = 50825; [L76] const SORT_3 var_43 = 7; [L77] const SORT_3 var_46 = 6; [L78] const SORT_3 var_50 = 4; [L79] const SORT_22 var_65 = 0; [L80] const SORT_3 var_67 = 0; [L81] const SORT_71 var_72 = 0; [L82] const SORT_5 var_76 = 1; [L83] const SORT_79 var_80 = 0; [L84] const SORT_84 var_85 = 0; [L85] const SORT_5 var_89 = 3; [L86] const SORT_5 var_92 = 2; [L87] const SORT_68 var_97 = 1; [L88] const SORT_22 var_100 = 32767; [L89] const SORT_5 var_105 = 0; [L90] const SORT_73 var_119 = 1; [L91] const SORT_81 var_131 = 1; [L92] const SORT_86 var_141 = 1; [L94] SORT_1 input_2; [L95] SORT_3 input_4; [L96] SORT_5 input_6; [L97] SORT_22 input_66; [L98] SORT_22 input_96; [L99] SORT_22 input_108; [L100] SORT_22 input_109; [L101] SORT_22 input_118; [L102] SORT_22 input_130; [L103] SORT_22 input_140; [L104] SORT_22 input_157; [L105] SORT_22 input_166; [L106] SORT_22 input_170; [L107] SORT_22 input_179; [L108] SORT_22 input_181; [L109] SORT_22 input_190; [L110] SORT_22 input_197; [L111] SORT_22 input_201; [L112] SORT_22 input_204; [L113] SORT_22 input_206; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_22 [L117] SORT_22 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L119] SORT_1 init_9_arg_1 = var_7; [L120] state_8 = init_9_arg_1 [L121] SORT_1 init_21_arg_1 = var_16; [L122] state_20 = init_21_arg_1 [L123] SORT_22 init_59_arg_1 = var_23; [L124] state_58 = init_59_arg_1 VAL [mask_SORT_1=1, mask_SORT_22=65535, mask_SORT_3=7, mask_SORT_5=3, mask_SORT_68=8191, mask_SORT_71=63, mask_SORT_73=1023, mask_SORT_79=511, mask_SORT_81=127, mask_SORT_84=4095, mask_SORT_86=15, state_20=1, state_58=8, state_8=0, var_100=32767, var_105=0, var_119=1, var_12=0, var_131=1, var_141=1, var_16=1, var_23=8, var_24=10, var_25=1, var_28=88, var_29=584, var_30=3, var_33=2, var_37=705, var_38=611, var_39=5, var_42=50825, var_43=7, var_46=6, var_50=4, var_65=0, var_67=0, var_72=0, var_76=1, var_7=0, var_80=0, var_85=0, var_89=3, var_92=2, var_97=1] [L127] input_2 = __VERIFIER_nondet_uchar() [L128] input_4 = __VERIFIER_nondet_uchar() [L129] EXPR input_4 & mask_SORT_3 [L129] input_4 = input_4 & mask_SORT_3 [L130] input_6 = __VERIFIER_nondet_uchar() [L131] EXPR input_6 & mask_SORT_5 [L131] input_6 = input_6 & mask_SORT_5 [L132] input_66 = __VERIFIER_nondet_ushort() [L133] input_96 = __VERIFIER_nondet_ushort() [L134] input_108 = __VERIFIER_nondet_ushort() [L135] input_109 = __VERIFIER_nondet_ushort() [L136] input_118 = __VERIFIER_nondet_ushort() [L137] input_130 = __VERIFIER_nondet_ushort() [L138] input_140 = __VERIFIER_nondet_ushort() [L139] input_157 = __VERIFIER_nondet_ushort() [L140] input_166 = __VERIFIER_nondet_ushort() [L141] input_170 = __VERIFIER_nondet_ushort() [L142] input_179 = __VERIFIER_nondet_ushort() [L143] input_181 = __VERIFIER_nondet_ushort() [L144] input_190 = __VERIFIER_nondet_ushort() [L145] input_197 = __VERIFIER_nondet_ushort() [L146] input_201 = __VERIFIER_nondet_ushort() [L147] input_204 = __VERIFIER_nondet_ushort() [L148] input_206 = __VERIFIER_nondet_ushort() [L151] SORT_1 var_11_arg_0 = state_8; [L152] EXPR var_11_arg_0 & mask_SORT_1 [L152] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L153] SORT_10 var_11 = var_11_arg_0; [L154] SORT_10 var_13_arg_0 = var_11; [L155] SORT_10 var_13_arg_1 = var_12; [L156] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L157] SORT_1 var_17_arg_0 = var_13; [L158] SORT_1 var_17 = ~var_17_arg_0; [L159] SORT_1 var_18_arg_0 = var_16; [L160] SORT_1 var_18_arg_1 = var_17; [L161] EXPR var_18_arg_0 & var_18_arg_1 [L161] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L162] EXPR var_18 & mask_SORT_1 [L162] var_18 = var_18 & mask_SORT_1 [L163] SORT_1 bad_19_arg_0 = var_18; [L164] CALL __VERIFIER_assert(!(bad_19_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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.32ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 61.3MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.31ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 77.4MB in the end (delta: -16.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.65ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 70.3MB in the end (delta: 7.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4363.60ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 70.3MB in the beginning and 65.9MB in the end (delta: 4.4MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. * CodeCheck took 1175.85ms. Allocated memory was 234.9MB in the beginning and 327.2MB in the end (delta: 92.3MB). Free memory was 65.9MB in the beginning and 225.2MB in the end (delta: -159.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 327.2MB. Free memory was 225.2MB in the beginning and 225.2MB in the end (delta: 20.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:43:39,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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 c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:43:42,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:43:42,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:43:42,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:43:42,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:43:42,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:43:42,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:43:42,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:43:42,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:43:42,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:43:42,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:43:42,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:43:42,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:43:42,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:43:42,225 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:42,225 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:43:42,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:43:42,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:42,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:43:42,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:43:42,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:43:42,226 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:43:42,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:42,227 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:43:42,227 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/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 -> c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 [2024-11-25 02:43:42,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:43:42,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:43:42,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:43:42,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:43:42,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:43:42,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2024-11-25 02:43:45,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/b704f4250/e6120ff7223a42279b138053d0935634/FLAG3a475d404 [2024-11-25 02:43:45,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:43:45,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2024-11-25 02:43:45,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/b704f4250/e6120ff7223a42279b138053d0935634/FLAG3a475d404 [2024-11-25 02:43:45,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/data/b704f4250/e6120ff7223a42279b138053d0935634 [2024-11-25 02:43:45,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:43:45,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:43:45,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:45,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:43:45,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:43:45,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:45" (1/1) ... [2024-11-25 02:43:45,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e387b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:45, skipping insertion in model container [2024-11-25 02:43:45,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:45" (1/1) ... [2024-11-25 02:43:46,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:43:46,181 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2024-11-25 02:43:46,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:46,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:43:46,403 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_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2024-11-25 02:43:46,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:46,584 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:43:46,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46 WrapperNode [2024-11-25 02:43:46,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:46,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:46,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:43:46,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:43:46,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,712 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2024-11-25 02:43:46,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:46,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:43:46,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:43:46,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:43:46,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:43:46,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:43:46,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:43:46,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:43:46,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:46" (1/1) ... [2024-11-25 02:43:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:46,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:43:46,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:43:46,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:43:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:43:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:43:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:43:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:43:47,171 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:43:47,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:43:48,168 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-25 02:43:48,169 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:43:48,227 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:43:48,227 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:43:48,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:48 BoogieIcfgContainer [2024-11-25 02:43:48,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:43:48,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:43:48,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:43:48,240 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:43:48,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:48" (1/1) ... [2024-11-25 02:43:48,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:43:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:43:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:43:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:43:48,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:48,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:48,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:43:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:48,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:48,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:43:48,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:49,070 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 02:43:49,073 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:43:49,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:43:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:43:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:43:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:43:49,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:49,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:49,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:49,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903f8c6d-52fb-40df-a8b4-c4fe5eb76fe3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:43:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:49,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:49,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:43:49,851 INFO L279 TraceCheckSpWp]: Computing forward predicates...