./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.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_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/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_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/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_af4d7af4-4092-4549-b069-c6dad83322d8/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 f1fb7e08175c12cd137cd149067c537a1a829a88e425682b767dc79c6a4c1c21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:22,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:22,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:06:22,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:06:22,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:06:22,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:22,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:22,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:22,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:22,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:22,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:22,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:22,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:06:22,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:22,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:22,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:22,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:22,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:22,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:22,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:22,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:22,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:22,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:06:22,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:06:22,926 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_af4d7af4-4092-4549-b069-c6dad83322d8/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 -> f1fb7e08175c12cd137cd149067c537a1a829a88e425682b767dc79c6a4c1c21 [2024-11-13 21:06:23,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:23,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:23,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:23,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:23,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:23,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c Unable to find full path for "g++" [2024-11-13 21:06:25,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:25,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:25,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c [2024-11-13 21:06:25,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/4716a8f60/ff5b878caa5d4eab9012062d5fe48ddd/FLAG93628c70d [2024-11-13 21:06:26,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/4716a8f60/ff5b878caa5d4eab9012062d5fe48ddd [2024-11-13 21:06:26,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:26,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:26,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:26,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:26,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:26,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:26" (1/1) ... [2024-11-13 21:06:26,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122bb139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:26, skipping insertion in model container [2024-11-13 21:06:26,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:26" (1/1) ... [2024-11-13 21:06:26,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:26,404 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_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c[1244,1257] [2024-11-13 21:06:26,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:26,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:26,990 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_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c[1244,1257] [2024-11-13 21:06:27,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:27,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:27,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27 WrapperNode [2024-11-13 21:06:27,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:27,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:27,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:27,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:27,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:27,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,247 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6361 [2024-11-13 21:06:28,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:28,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:28,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:28,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:28,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:28,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:29,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:29,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:29,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:29,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:29,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:27" (1/1) ... [2024-11-13 21:06:29,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:29,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:29,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:29,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:06:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:06:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:29,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:29,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:38,994 INFO L? ?]: Removed 3538 outVars from TransFormulas that were not future-live. [2024-11-13 21:06:38,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:49,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:06:49,188 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:06:49,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:49 BoogieIcfgContainer [2024-11-13 21:06:49,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:06:49,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:06:49,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:06:49,200 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:06:49,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:49" (1/1) ... [2024-11-13 21:06:49,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:06:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:06:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:06:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:06:49,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:49,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:28,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:11,601 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:08:11,610 INFO L158 Benchmark]: Toolchain (without parser) took 105469.30ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 113.5MB in the beginning and 508.7MB in the end (delta: -395.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 21:08:11,612 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1174.47ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 70.1MB in the end (delta: 43.4MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 931.84ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 70.1MB in the beginning and 191.2MB in the end (delta: -121.1MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,614 INFO L158 Benchmark]: Boogie Preprocessor took 808.42ms. Allocated memory is still 369.1MB. Free memory was 191.2MB in the beginning and 166.8MB in the end (delta: 24.4MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,614 INFO L158 Benchmark]: RCFGBuilder took 20131.83ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 166.1MB in the beginning and 395.2MB in the end (delta: -229.1MB). Peak memory consumption was 628.6MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,615 INFO L158 Benchmark]: CodeCheck took 82417.23ms. Allocated memory was 897.6MB in the beginning and 1.6GB in the end (delta: 729.8MB). Free memory was 391.0MB in the beginning and 508.7MB in the end (delta: -117.7MB). Peak memory consumption was 620.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,618 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1174.47ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 70.1MB in the end (delta: 43.4MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 931.84ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 70.1MB in the beginning and 191.2MB in the end (delta: -121.1MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 808.42ms. Allocated memory is still 369.1MB. Free memory was 191.2MB in the beginning and 166.8MB in the end (delta: 24.4MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * RCFGBuilder took 20131.83ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 166.1MB in the beginning and 395.2MB in the end (delta: -229.1MB). Peak memory consumption was 628.6MB. Max. memory is 16.1GB. * CodeCheck took 82417.23ms. Allocated memory was 897.6MB in the beginning and 1.6GB in the end (delta: 729.8MB). Free memory was 391.0MB in the beginning and 508.7MB in the end (delta: -117.7MB). Peak memory consumption was 620.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:08:11,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/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_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/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_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/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_af4d7af4-4092-4549-b069-c6dad83322d8/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 f1fb7e08175c12cd137cd149067c537a1a829a88e425682b767dc79c6a4c1c21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:14,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:14,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:08:14,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:14,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:14,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:14,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:14,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:14,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:14,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:08:14,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:14,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:08:14,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:14,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:14,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:14,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:14,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:14,738 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:08:14,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:14,738 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:08:14,738 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_af4d7af4-4092-4549-b069-c6dad83322d8/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 -> f1fb7e08175c12cd137cd149067c537a1a829a88e425682b767dc79c6a4c1c21 [2024-11-13 21:08:15,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:15,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:15,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:15,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:15,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:15,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c Unable to find full path for "g++" [2024-11-13 21:08:17,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:17,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:17,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c [2024-11-13 21:08:17,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/03d233a55/aa84250be3c24b2eb26a046114c06d22/FLAG0af174cdf [2024-11-13 21:08:17,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/data/03d233a55/aa84250be3c24b2eb26a046114c06d22 [2024-11-13 21:08:17,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:17,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:17,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:17,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:17,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:17,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:17" (1/1) ... [2024-11-13 21:08:17,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a57144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:17, skipping insertion in model container [2024-11-13 21:08:17,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:17" (1/1) ... [2024-11-13 21:08:17,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:18,045 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_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c[1244,1257] [2024-11-13 21:08:18,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:18,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:18,673 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_af4d7af4-4092-4549-b069-c6dad83322d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal4.c[1244,1257] [2024-11-13 21:08:19,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:19,035 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:19,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19 WrapperNode [2024-11-13 21:08:19,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:19,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:19,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:19,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:19,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,275 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2479 [2024-11-13 21:08:19,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:19,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:19,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:19,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:19,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:19,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:19,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:19,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:19,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:19" (1/1) ... [2024-11-13 21:08:19,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:19,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:19,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:19,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:08:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:19,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:20,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:20,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:25,326 INFO L? ?]: Removed 1384 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:25,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:25,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:25,431 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:08:25,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:25 BoogieIcfgContainer [2024-11-13 21:08:25,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:25,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:25,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:25,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:25,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:25" (1/1) ... [2024-11-13 21:08:25,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:08:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:08:25,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:08:25,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:25,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:25,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:25,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:25,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:08:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:27,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:28,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:28,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:28,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:08:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:08:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:08:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:08:30,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:30,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:30,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:30,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:08:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:38,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:41,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 2839 conjuncts, 327 conjuncts are in the unsatisfiable core [2024-11-13 21:08:41,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:50,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:08:52,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:08:55,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:08:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:08:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:08:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:08:55,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:55,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:55,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:55,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d7af4-4092-4549-b069-c6dad83322d8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:09:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:37,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:42,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 4210 conjuncts, 546 conjuncts are in the unsatisfiable core [2024-11-13 21:09:42,787 INFO L278 TraceCheckSpWp]: Computing forward predicates...