./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.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_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/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_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/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_065b66d1-9697-40d6-bb34-b04f09b2ba62/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 63e24a98283ef0f8b697651316a6ff970c64acd1060aa43f8d52ee16538db404 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:24,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:24,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:46:24,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:24,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:24,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:24,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:24,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:24,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:24,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:24,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:24,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:24,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:24,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:24,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:24,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:24,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:24,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:24,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:24,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:24,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:24,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:24,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:24,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:24,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:24,637 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/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 -> 63e24a98283ef0f8b697651316a6ff970c64acd1060aa43f8d52ee16538db404 [2024-11-13 16:46:25,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:25,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:25,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:25,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:25,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:25,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c Unable to find full path for "g++" [2024-11-13 16:46:27,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:27,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:27,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c [2024-11-13 16:46:27,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/b97a3de52/123160b938e848e3bf154cd1a6605c49/FLAG0072e541e [2024-11-13 16:46:27,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/b97a3de52/123160b938e848e3bf154cd1a6605c49 [2024-11-13 16:46:27,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:27,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:27,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:27,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:27,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:27,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:27,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532d622d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27, skipping insertion in model container [2024-11-13 16:46:27,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:27,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:28,253 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c[1245,1258] [2024-11-13 16:46:29,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:29,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:29,110 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c[1245,1258] [2024-11-13 16:46:29,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:29,496 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:29,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29 WrapperNode [2024-11-13 16:46:29,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:29,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:29,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:29,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:29,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:30,660 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7457 [2024-11-13 16:46:30,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:30,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:30,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:30,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:30,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:30,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:30,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:30,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:31,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:31,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:31,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:31,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:31,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:31,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:31,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:31,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:32,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:32,596 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:46,402 INFO L? ?]: Removed 4108 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:46,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:00,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:00,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:00,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:00 BoogieIcfgContainer [2024-11-13 16:47:00,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:00,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:00,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:00,789 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:00,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:00" (1/1) ... [2024-11-13 16:47:00,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:47:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:47:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:00,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:00,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:02,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:49:28,793 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 16:49:28,799 INFO L158 Benchmark]: Toolchain (without parser) took 180955.55ms. Allocated memory was 117.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 90.4MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 755.7MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,803 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1652.51ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 45.8MB in the end (delta: 44.3MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 1162.55ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 89.7MB in the end (delta: -44.0MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,805 INFO L158 Benchmark]: Boogie Preprocessor took 1232.84ms. Allocated memory was 243.3MB in the beginning and 847.2MB in the end (delta: 604.0MB). Free memory was 89.7MB in the beginning and 649.8MB in the end (delta: -560.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:28,806 INFO L158 Benchmark]: RCFGBuilder took 28879.58ms. Allocated memory was 847.2MB in the beginning and 3.0GB in the end (delta: 2.1GB). Free memory was 649.8MB in the beginning and 1.5GB in the end (delta: -898.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 16:49:28,806 INFO L158 Benchmark]: CodeCheck took 148019.17ms. Allocated memory is still 3.0GB. Free memory was 1.5GB in the beginning and 2.2GB in the end (delta: -628.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:28,812 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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1652.51ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 45.8MB in the end (delta: 44.3MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1162.55ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 89.7MB in the end (delta: -44.0MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1232.84ms. Allocated memory was 243.3MB in the beginning and 847.2MB in the end (delta: 604.0MB). Free memory was 89.7MB in the beginning and 649.8MB in the end (delta: -560.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * RCFGBuilder took 28879.58ms. Allocated memory was 847.2MB in the beginning and 3.0GB in the end (delta: 2.1GB). Free memory was 649.8MB in the beginning and 1.5GB in the end (delta: -898.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 148019.17ms. Allocated memory is still 3.0GB. Free memory was 1.5GB in the beginning and 2.2GB in the end (delta: -628.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:49:28,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/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_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/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_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/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_065b66d1-9697-40d6-bb34-b04f09b2ba62/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 63e24a98283ef0f8b697651316a6ff970c64acd1060aa43f8d52ee16538db404 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:32,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:32,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:49:32,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:32,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:32,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:32,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:32,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:32,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:32,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:49:32,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:32,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:32,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:32,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:32,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:32,231 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:32,236 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:49:32,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:32,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:32,237 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:49:32,237 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/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 -> 63e24a98283ef0f8b697651316a6ff970c64acd1060aa43f8d52ee16538db404 [2024-11-13 16:49:32,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:32,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:32,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:32,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:32,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:32,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c Unable to find full path for "g++" [2024-11-13 16:49:34,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:35,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:35,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c [2024-11-13 16:49:35,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/76f1aa463/28ec11f2d13d424f8edad8a7c777e29e/FLAGf32322fcd [2024-11-13 16:49:35,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/data/76f1aa463/28ec11f2d13d424f8edad8a7c777e29e [2024-11-13 16:49:35,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:35,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:35,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:35,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:35,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:35,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:35" (1/1) ... [2024-11-13 16:49:35,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4774eb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:35, skipping insertion in model container [2024-11-13 16:49:35,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:35" (1/1) ... [2024-11-13 16:49:35,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:35,747 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c[1245,1258] [2024-11-13 16:49:36,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:36,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:36,379 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_065b66d1-9697-40d6-bb34-b04f09b2ba62/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal41.c[1245,1258] [2024-11-13 16:49:36,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:36,683 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:36,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36 WrapperNode [2024-11-13 16:49:36,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:36,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:36,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:36,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:36,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:36,996 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2645 [2024-11-13 16:49:36,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:36,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:36,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:36,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:37,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:37,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:37,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:37,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:37,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:36" (1/1) ... [2024-11-13 16:49:37,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:37,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:37,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:49:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:37,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:37,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:44,754 INFO L? ?]: Removed 1657 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:44,754 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:44,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:44,877 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:49:44,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:44 BoogieIcfgContainer [2024-11-13 16:49:44,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:44,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:44,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:44,890 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:44,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:44" (1/1) ... [2024-11-13 16:49:44,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:49:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:49:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:49:44,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:44,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:44,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:44,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:44,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:49:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:47,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:48,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:49:48,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:48,531 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 16:49:48,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:49:50,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:49:52,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:49:54,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:49:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:49:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:49:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:49:54,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:54,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:54,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:50:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:07,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:13,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 3376 conjuncts, 570 conjuncts are in the unsatisfiable core [2024-11-13 16:50:13,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:40,771 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 16:50:40,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:50:44,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:50,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:54,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:55,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 16:50:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 16:50:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:50:56,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:56,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:56,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:56,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:56,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:52:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:00,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:52:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:07,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 5004 conjuncts, 673 conjuncts are in the unsatisfiable core [2024-11-13 16:52:07,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:00,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:53:10,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:53:24,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:53:38,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:53:40,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:53:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2024-11-13 16:53:41,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2024-11-13 16:53:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:41,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:41,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:41,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:41,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b66d1-9697-40d6-bb34-b04f09b2ba62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:56:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:32,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:56:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:43,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 6632 conjuncts, 675 conjuncts are in the unsatisfiable core [2024-11-13 16:56:43,719 INFO L278 TraceCheckSpWp]: Computing forward predicates...