./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4dc4211f2b8131a829ff8e1fa12908da9356d5cadf0e7b793aab2903e0fde547 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:47:29,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:47:29,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:47:29,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:47:29,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:47:30,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:47:30,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:47:30,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:47:30,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:47:30,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:47:30,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:47:30,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:47:30,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:47:30,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:47:30,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:47:30,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:47:30,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:47:30,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:47:30,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:47:30,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:47:30,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:47:30,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:47:30,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:47:30,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:47:30,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:30,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:47:30,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:47:30,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:47:30,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:47:30,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:47:30,022 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_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc4211f2b8131a829ff8e1fa12908da9356d5cadf0e7b793aab2903e0fde547 [2024-11-13 21:47:30,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:47:30,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:47:30,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:47:30,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:47:30,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:47:30,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c Unable to find full path for "g++" [2024-11-13 21:47:32,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:47:32,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:47:32,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c [2024-11-13 21:47:32,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/8518cdd54/abde3d898da74e6c82a62caf991f9987/FLAG0212055fe [2024-11-13 21:47:32,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/8518cdd54/abde3d898da74e6c82a62caf991f9987 [2024-11-13 21:47:32,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:47:32,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:47:32,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:32,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:47:32,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:47:32,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:32" (1/1) ... [2024-11-13 21:47:32,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744c70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:32, skipping insertion in model container [2024-11-13 21:47:32,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:32" (1/1) ... [2024-11-13 21:47:32,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:47:33,176 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_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c[1245,1258] [2024-11-13 21:47:33,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:33,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:47:33,535 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_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c[1245,1258] [2024-11-13 21:47:33,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:33,802 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:47:33,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33 WrapperNode [2024-11-13 21:47:33,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:33,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:33,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:47:33,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:47:33,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:33,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,290 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3556 [2024-11-13 21:47:34,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:34,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:47:34,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:47:34,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:47:34,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:47:34,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:47:34,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:47:34,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:47:34,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:33" (1/1) ... [2024-11-13 21:47:34,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:47:34,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:47:34,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:47:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:47:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:47:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:47:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:47:35,311 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:47:35,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:47:40,684 INFO L? ?]: Removed 1995 outVars from TransFormulas that were not future-live. [2024-11-13 21:47:40,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:47:46,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:47:46,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:47:46,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:46 BoogieIcfgContainer [2024-11-13 21:47:46,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:47:46,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:47:46,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:47:46,045 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:47:46,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:46" (1/1) ... [2024-11-13 21:47:46,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:47:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:47:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:47:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:47:46,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:56,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:48:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:48:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:48:12,069 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:48:12,074 INFO L158 Benchmark]: Toolchain (without parser) took 39189.67ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.3MB in the beginning and 677.3MB in the end (delta: -586.0MB). Peak memory consumption was 878.2MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,075 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:48:12,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.18ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.8MB in the end (delta: 18.5MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 487.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.8MB in the beginning and 237.2MB in the end (delta: -164.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,077 INFO L158 Benchmark]: Boogie Preprocessor took 478.65ms. Allocated memory is still 352.3MB. Free memory was 237.2MB in the beginning and 205.0MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,079 INFO L158 Benchmark]: RCFGBuilder took 11260.46ms. Allocated memory was 352.3MB in the beginning and 922.7MB in the end (delta: 570.4MB). Free memory was 205.0MB in the beginning and 298.9MB in the end (delta: -93.9MB). Peak memory consumption was 469.5MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,080 INFO L158 Benchmark]: CodeCheck took 26040.49ms. Allocated memory was 922.7MB in the beginning and 1.6GB in the end (delta: 654.3MB). Free memory was 298.9MB in the beginning and 677.3MB in the end (delta: -378.4MB). Peak memory consumption was 284.1MB. Max. memory is 16.1GB. [2024-11-13 21:48:12,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.18ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.8MB in the end (delta: 18.5MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 487.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.8MB in the beginning and 237.2MB in the end (delta: -164.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 478.65ms. Allocated memory is still 352.3MB. Free memory was 237.2MB in the beginning and 205.0MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 11260.46ms. Allocated memory was 352.3MB in the beginning and 922.7MB in the end (delta: 570.4MB). Free memory was 205.0MB in the beginning and 298.9MB in the end (delta: -93.9MB). Peak memory consumption was 469.5MB. Max. memory is 16.1GB. * CodeCheck took 26040.49ms. Allocated memory was 922.7MB in the beginning and 1.6GB in the end (delta: 654.3MB). Free memory was 298.9MB in the beginning and 677.3MB in the end (delta: -378.4MB). Peak memory consumption was 284.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:48:12,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/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_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4dc4211f2b8131a829ff8e1fa12908da9356d5cadf0e7b793aab2903e0fde547 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:14,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:14,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:48:14,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:14,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:14,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:14,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:14,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:14,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:14,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:14,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:14,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:14,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:14,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:14,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:14,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:48:14,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:14,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:14,945 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:48:14,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:14,946 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:48:14,946 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_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc4211f2b8131a829ff8e1fa12908da9356d5cadf0e7b793aab2903e0fde547 [2024-11-13 21:48:15,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:15,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:15,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:15,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:15,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:15,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c Unable to find full path for "g++" [2024-11-13 21:48:17,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:48:17,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:17,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c [2024-11-13 21:48:17,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/2bac5af19/417d82777b0c4ae9a18a2bb1d5b742a3/FLAGa0750dc84 [2024-11-13 21:48:17,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/data/2bac5af19/417d82777b0c4ae9a18a2bb1d5b742a3 [2024-11-13 21:48:17,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:17,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:17,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:17,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:17,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:17,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:17" (1/1) ... [2024-11-13 21:48:17,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52037619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:17, skipping insertion in model container [2024-11-13 21:48:17,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:17" (1/1) ... [2024-11-13 21:48:17,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:17,995 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_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c[1245,1258] [2024-11-13 21:48:18,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:18,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:48:18,398 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_6f23c30b-184f-40af-9c21-bbd15eb20192/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal20.c[1245,1258] [2024-11-13 21:48:18,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:18,659 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:48:18,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18 WrapperNode [2024-11-13 21:48:18,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:18,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:18,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:48:18,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:48:18,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,803 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1454 [2024-11-13 21:48:18,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:18,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:48:18,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:48:18,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:48:18,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:48:18,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:48:18,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:48:18,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:48:18,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:18" (1/1) ... [2024-11-13 21:48:18,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:18,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:48:18,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:48:18,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:48:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:48:19,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:48:19,456 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:48:22,426 INFO L? ?]: Removed 708 outVars from TransFormulas that were not future-live. [2024-11-13 21:48:22,426 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:48:22,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:48:22,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:48:22,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:22 BoogieIcfgContainer [2024-11-13 21:48:22,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:48:22,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:48:22,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:48:22,510 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:48:22,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:22" (1/1) ... [2024-11-13 21:48:22,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:48:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:48:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:48:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:48:22,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:22,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:22,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:22,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:48:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:23,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:24,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:48:24,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:48:24,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:48:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:48:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:48:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:48:25,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:25,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:25,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:25,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:48:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:27,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:28,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-13 21:48:28,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:48:29,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:48:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:48:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:48:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:48:31,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:31,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:31,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:31,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:31,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f23c30b-184f-40af-9c21-bbd15eb20192/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:48:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:38,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:39,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-13 21:48:39,500 INFO L278 TraceCheckSpWp]: Computing forward predicates...