./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:06,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:06,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:18:06,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:18:06,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:18:06,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:06,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:06,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:06,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:06,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:06,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:06,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:06,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:18:06,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:06,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:06,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:06,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:06,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:06,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:06,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:06,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:06,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:06,152 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:18:06,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:18:06,152 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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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 -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2024-11-13 23:18:06,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:06,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:06,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:06,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:06,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:06,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c Unable to find full path for "g++" [2024-11-13 23:18:08,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:08,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:08,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-11-13 23:18:08,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/abe4b9592/29575d34793d41b5bbca0ad81a040c7a/FLAG7a4990dca [2024-11-13 23:18:08,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/abe4b9592/29575d34793d41b5bbca0ad81a040c7a [2024-11-13 23:18:08,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:08,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:08,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:08,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:08,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:08,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:08" (1/1) ... [2024-11-13 23:18:08,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cc53c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:08, skipping insertion in model container [2024-11-13 23:18:08,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:08" (1/1) ... [2024-11-13 23:18:08,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:09,032 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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-11-13 23:18:09,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:09,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:09,537 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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-11-13 23:18:09,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:09,794 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:09,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09 WrapperNode [2024-11-13 23:18:09,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:09,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:09,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:09,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:09,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:09,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,364 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3607 [2024-11-13 23:18:10,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:10,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:10,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:10,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:10,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:10,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:11,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:11,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:11,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:11,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:11,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:09" (1/1) ... [2024-11-13 23:18:11,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:11,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:11,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:11,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:18:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:11,643 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:11,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:17,883 INFO L? ?]: Removed 2024 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:17,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:23,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:23,912 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:18:23,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:23 BoogieIcfgContainer [2024-11-13 23:18:23,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:23,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:23,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:23,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:23,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:23" (1/1) ... [2024-11-13 23:18:23,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:18:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:18:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:18:23,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:34,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:18:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:18:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:52,043 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 23:18:52,052 INFO L158 Benchmark]: Toolchain (without parser) took 43331.02ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 115.4MB in the beginning and 610.6MB in the end (delta: -495.2MB). Peak memory consumption was 597.0MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,054 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:52,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1073.83ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 54.0MB in the end (delta: 61.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 569.56ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 54.0MB in the beginning and 69.0MB in the end (delta: -15.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,056 INFO L158 Benchmark]: Boogie Preprocessor took 732.43ms. Allocated memory was 159.4MB in the beginning and 369.1MB in the end (delta: 209.7MB). Free memory was 69.0MB in the beginning and 257.8MB in the end (delta: -188.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,056 INFO L158 Benchmark]: RCFGBuilder took 12813.52ms. Allocated memory was 369.1MB in the beginning and 872.4MB in the end (delta: 503.3MB). Free memory was 257.8MB in the beginning and 341.4MB in the end (delta: -83.6MB). Peak memory consumption was 419.1MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,057 INFO L158 Benchmark]: CodeCheck took 28135.84ms. Allocated memory was 872.4MB in the beginning and 1.2GB in the end (delta: 360.7MB). Free memory was 341.4MB in the beginning and 610.6MB in the end (delta: -269.2MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-11-13 23:18:52,063 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1073.83ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 54.0MB in the end (delta: 61.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 569.56ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 54.0MB in the beginning and 69.0MB in the end (delta: -15.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 732.43ms. Allocated memory was 159.4MB in the beginning and 369.1MB in the end (delta: 209.7MB). Free memory was 69.0MB in the beginning and 257.8MB in the end (delta: -188.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12813.52ms. Allocated memory was 369.1MB in the beginning and 872.4MB in the end (delta: 503.3MB). Free memory was 257.8MB in the beginning and 341.4MB in the end (delta: -83.6MB). Peak memory consumption was 419.1MB. Max. memory is 16.1GB. * CodeCheck took 28135.84ms. Allocated memory was 872.4MB in the beginning and 1.2GB in the end (delta: 360.7MB). Free memory was 341.4MB in the beginning and 610.6MB in the end (delta: -269.2MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:18:52,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:54,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:54,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:18:54,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:54,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:54,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:54,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:54,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:54,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:54,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:54,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:54,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:54,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:18:54,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:54,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:54,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:54,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:54,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:54,860 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:18:54,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:54,860 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:18:54,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/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 -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2024-11-13 23:18:55,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:55,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:55,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:55,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:55,195 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:55,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c Unable to find full path for "g++" [2024-11-13 23:18:57,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:57,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:57,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-11-13 23:18:57,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/1248b01d5/b55bead03074485c97ea256c9400b90a/FLAG273c8484c [2024-11-13 23:18:57,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/data/1248b01d5/b55bead03074485c97ea256c9400b90a [2024-11-13 23:18:57,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:57,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:57,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:57,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:57,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:57,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:57" (1/1) ... [2024-11-13 23:18:57,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bbea10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:57, skipping insertion in model container [2024-11-13 23:18:57,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:57" (1/1) ... [2024-11-13 23:18:57,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:57,885 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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-11-13 23:18:58,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:58,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:58,263 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_e763fe08-5137-4cbb-9b6f-7ae5584f4850/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2024-11-13 23:18:58,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:58,430 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:58,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58 WrapperNode [2024-11-13 23:18:58,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:58,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:58,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:58,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:58,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,562 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1473 [2024-11-13 23:18:58,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:58,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:58,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:58,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:58,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:58,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:58,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:58,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:58,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:58" (1/1) ... [2024-11-13 23:18:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:58,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:18:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:59,187 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:59,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:02,443 INFO L? ?]: Removed 723 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:02,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:02,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:02,514 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:19:02,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:02 BoogieIcfgContainer [2024-11-13 23:19:02,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:02,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:02,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:02,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:02,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:02" (1/1) ... [2024-11-13 23:19:02,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:19:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:19:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:19:02,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:02,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:02,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:02,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:19:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:03,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:04,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:04,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:04,558 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 23:19:04,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:19:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:19:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:19:05,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:05,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:05,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:05,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:19:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 1514 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 23:19:08,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:10,425 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 23:19:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:19:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 23:19:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 23:19:12,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:19:12,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:12,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:12,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763fe08-5137-4cbb-9b6f-7ae5584f4850/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:19:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:19,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:21,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 173 conjuncts are in the unsatisfiable core [2024-11-13 23:19:21,458 INFO L278 TraceCheckSpWp]: Computing forward predicates...