./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.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_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/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_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/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_5d1e53bd-a44c-4865-a4b8-86b06315e836/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 f0708a1011fb57aae5c51e8da3bb7101c11927d57eb2019fb478aeda867b040e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:51:28,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:28,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:51:28,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:51:28,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:51:28,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:28,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:51:28,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:51:28,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:28,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:51:28,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:28,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:28,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:28,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:28,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:28,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:28,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:28,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:51:28,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:51:28,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:51:28,979 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/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 -> f0708a1011fb57aae5c51e8da3bb7101c11927d57eb2019fb478aeda867b040e [2024-11-13 20:51:29,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:29,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:29,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:29,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:29,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:29,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c Unable to find full path for "g++" [2024-11-13 20:51:31,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:31,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:31,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c [2024-11-13 20:51:31,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/84f117f8c/e80ac6ab0d4640ffab37ef90a6977566/FLAGcda4eeadb [2024-11-13 20:51:31,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/84f117f8c/e80ac6ab0d4640ffab37ef90a6977566 [2024-11-13 20:51:31,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:31,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:31,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:31,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:31,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:31,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:31" (1/1) ... [2024-11-13 20:51:31,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585821ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:31, skipping insertion in model container [2024-11-13 20:51:31,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:31" (1/1) ... [2024-11-13 20:51:31,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:32,034 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c[1245,1258] [2024-11-13 20:51:32,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:32,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:32,460 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c[1245,1258] [2024-11-13 20:51:32,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:32,761 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:32,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32 WrapperNode [2024-11-13 20:51:32,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:32,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:32,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:32,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:32,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:32,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,297 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3715 [2024-11-13 20:51:33,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:33,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:33,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:33,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:33,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:33,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:33,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:33,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:33,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:32" (1/1) ... [2024-11-13 20:51:33,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:33,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:33,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:33,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:51:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:34,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:34,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:40,151 INFO L? ?]: Removed 2072 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:40,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:46,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:46,058 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:51:46,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:46 BoogieIcfgContainer [2024-11-13 20:51:46,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:46,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:46,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:46,072 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:46,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:46" (1/1) ... [2024-11-13 20:51:46,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:51:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:51:46,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:51:46,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:46,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:02,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:52:22,700 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 20:52:22,705 INFO L158 Benchmark]: Toolchain (without parser) took 50915.08ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 91.8MB in the beginning and 638.1MB in the end (delta: -546.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 20:52:22,708 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:22,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 971.27ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 70.6MB in the end (delta: 21.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-13 20:52:22,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 535.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.6MB in the beginning and 231.8MB in the end (delta: -161.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-11-13 20:52:22,709 INFO L158 Benchmark]: Boogie Preprocessor took 499.47ms. Allocated memory is still 352.3MB. Free memory was 231.8MB in the beginning and 198.7MB in the end (delta: 33.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:52:22,709 INFO L158 Benchmark]: RCFGBuilder took 12259.39ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 771.8MB). Free memory was 198.7MB in the beginning and 467.3MB in the end (delta: -268.6MB). Peak memory consumption was 507.3MB. Max. memory is 16.1GB. [2024-11-13 20:52:22,710 INFO L158 Benchmark]: CodeCheck took 36644.84ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 738.2MB). Free memory was 467.3MB in the beginning and 638.1MB in the end (delta: -170.8MB). Peak memory consumption was 567.3MB. Max. memory is 16.1GB. [2024-11-13 20:52:22,715 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 971.27ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 70.6MB in the end (delta: 21.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 535.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.6MB in the beginning and 231.8MB in the end (delta: -161.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 499.47ms. Allocated memory is still 352.3MB. Free memory was 231.8MB in the beginning and 198.7MB in the end (delta: 33.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12259.39ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 771.8MB). Free memory was 198.7MB in the beginning and 467.3MB in the end (delta: -268.6MB). Peak memory consumption was 507.3MB. Max. memory is 16.1GB. * CodeCheck took 36644.84ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 738.2MB). Free memory was 467.3MB in the beginning and 638.1MB in the end (delta: -170.8MB). Peak memory consumption was 567.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:52:22,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/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_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/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_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/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_5d1e53bd-a44c-4865-a4b8-86b06315e836/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 f0708a1011fb57aae5c51e8da3bb7101c11927d57eb2019fb478aeda867b040e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:25,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:25,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:52:25,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:25,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:25,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:25,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:25,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:25,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:25,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:25,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:25,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:25,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:25,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:25,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:52:25,605 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:52:25,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:25,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:25,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:52:25,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:25,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:25,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:25,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:25,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:25,608 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:52:25,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:25,608 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:52:25,608 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/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 -> f0708a1011fb57aae5c51e8da3bb7101c11927d57eb2019fb478aeda867b040e [2024-11-13 20:52:25,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:25,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:25,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:25,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:25,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:25,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c Unable to find full path for "g++" [2024-11-13 20:52:27,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:28,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:28,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c [2024-11-13 20:52:28,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/6c39c8db1/851770f44ccf4926bb4790260e2c94f5/FLAGd6979630b [2024-11-13 20:52:28,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/data/6c39c8db1/851770f44ccf4926bb4790260e2c94f5 [2024-11-13 20:52:28,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:28,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:28,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:28,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:28,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:28,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:28" (1/1) ... [2024-11-13 20:52:28,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80582d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:28, skipping insertion in model container [2024-11-13 20:52:28,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:28" (1/1) ... [2024-11-13 20:52:28,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:28,708 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c[1245,1258] [2024-11-13 20:52:29,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:29,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:29,096 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_5d1e53bd-a44c-4865-a4b8-86b06315e836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal15.c[1245,1258] [2024-11-13 20:52:29,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:29,309 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:29,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29 WrapperNode [2024-11-13 20:52:29,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:29,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:29,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:29,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:29,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,549 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1533 [2024-11-13 20:52:29,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:29,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:29,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:29,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:29,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:29,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:29,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:29,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:29,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:29" (1/1) ... [2024-11-13 20:52:29,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:29,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:29,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:52:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:30,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:30,151 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:32,485 INFO L? ?]: Removed 939 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:32,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:32,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:32,561 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:52:32,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:32 BoogieIcfgContainer [2024-11-13 20:52:32,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:32,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:32,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:32,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:32,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:32" (1/1) ... [2024-11-13 20:52:32,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:52:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:52:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:52:32,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:32,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:32,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:32,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:32,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:52:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:34,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:34,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:34,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:34,869 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 20:52:34,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:52:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:52:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:52:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:52:36,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:36,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:36,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:52:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:41,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:43,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-13 20:52:43,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:45,678 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 20:52:45,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:52:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 20:52:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 20:52:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:52:48,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:48,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:48,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:48,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1e53bd-a44c-4865-a4b8-86b06315e836/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:53:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:06,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:09,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 2846 conjuncts, 450 conjuncts are in the unsatisfiable core [2024-11-13 20:53:09,091 INFO L278 TraceCheckSpWp]: Computing forward predicates...