./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b --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 f209fde5374382972eeaa61490b578fcb77a278dab4613adba1b464e1797d3fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:30:23,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:30:23,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:30:23,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:30:23,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:30:23,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:30:23,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:30:23,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:30:23,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:30:23,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:30:23,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:30:23,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:30:23,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:23,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:30:23,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:30:23,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:30:23,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:30:23,414 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b 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 -> f209fde5374382972eeaa61490b578fcb77a278dab4613adba1b464e1797d3fe [2024-12-06 00:30:23,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:30:23,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:30:23,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:30:23,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:30:23,648 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:30:23,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c [2024-12-06 00:30:26,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/ebdb8fbb4/a504a4d5856243788ba25c44863dcce6/FLAG160a86b04 [2024-12-06 00:30:26,768 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:30:26,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c [2024-12-06 00:30:26,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/ebdb8fbb4/a504a4d5856243788ba25c44863dcce6/FLAG160a86b04 [2024-12-06 00:30:26,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/ebdb8fbb4/a504a4d5856243788ba25c44863dcce6 [2024-12-06 00:30:26,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:30:26,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:30:26,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:26,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:30:26,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:30:26,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:26" (1/1) ... [2024-12-06 00:30:26,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d01218b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:26, skipping insertion in model container [2024-12-06 00:30:26,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:26" (1/1) ... [2024-12-06 00:30:26,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:30:27,223 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c[1246,1259] [2024-12-06 00:30:28,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:28,282 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:30:28,289 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c[1246,1259] [2024-12-06 00:30:28,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:28,969 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:30:28,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28 WrapperNode [2024-12-06 00:30:28,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:28,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:28,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:30:28,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:30:28,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:29,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:31,471 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39502 [2024-12-06 00:30:31,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:31,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:30:31,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:30:31,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:30:31,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:31,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:32,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:32,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:32,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:32,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:32,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:33,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:33,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:33,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:30:33,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:30:33,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:30:33,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:30:33,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:28" (1/1) ... [2024-12-06 00:30:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:30:33,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:30:33,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:30:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:30:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:30:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:30:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:30:35,479 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:30:35,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:31:59,435 INFO L? ?]: Removed 21983 outVars from TransFormulas that were not future-live. [2024-12-06 00:31:59,435 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:33:37,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:33:37,963 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:33:37,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:33:37 BoogieIcfgContainer [2024-12-06 00:33:37,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:33:37,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:33:37,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:33:37,980 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:33:37,980 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:33:37" (1/1) ... [2024-12-06 00:33:37,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:33:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:33:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:33:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:33:38,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:33:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:33:56,696 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:34:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:34:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:34:25,411 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) [2024-12-06 00:34:25,414 INFO L158 Benchmark]: Toolchain (without parser) took 238587.59ms. Allocated memory was 142.6MB in the beginning and 11.5GB in the end (delta: 11.4GB). Free memory was 96.3MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. [2024-12-06 00:34:25,414 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:34:25,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2143.16ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 96.1MB in the beginning and 490.4MB in the end (delta: -394.3MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 2500.17ms. Allocated memory was 729.8MB in the beginning and 1.5GB in the end (delta: 813.7MB). Free memory was 490.4MB in the beginning and 694.5MB in the end (delta: -204.1MB). Peak memory consumption was 639.9MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,416 INFO L158 Benchmark]: Boogie Preprocessor took 2074.45ms. Allocated memory is still 1.5GB. Free memory was 694.5MB in the beginning and 414.2MB in the end (delta: 280.2MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,416 INFO L158 Benchmark]: RCFGBuilder took 184416.07ms. Allocated memory was 1.5GB in the beginning and 11.5GB in the end (delta: 10.0GB). Free memory was 414.2MB in the beginning and 8.9GB in the end (delta: -8.5GB). Peak memory consumption was 5.3GB. Max. memory is 16.1GB. [2024-12-06 00:34:25,417 INFO L158 Benchmark]: CodeCheck took 47447.54ms. Allocated memory is still 11.5GB. Free memory was 8.9GB in the beginning and 6.7GB in the end (delta: 2.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 00:34:25,420 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2143.16ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 96.1MB in the beginning and 490.4MB in the end (delta: -394.3MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2500.17ms. Allocated memory was 729.8MB in the beginning and 1.5GB in the end (delta: 813.7MB). Free memory was 490.4MB in the beginning and 694.5MB in the end (delta: -204.1MB). Peak memory consumption was 639.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2074.45ms. Allocated memory is still 1.5GB. Free memory was 694.5MB in the beginning and 414.2MB in the end (delta: 280.2MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. * RCFGBuilder took 184416.07ms. Allocated memory was 1.5GB in the beginning and 11.5GB in the end (delta: 10.0GB). Free memory was 414.2MB in the beginning and 8.9GB in the end (delta: -8.5GB). Peak memory consumption was 5.3GB. Max. memory is 16.1GB. * CodeCheck took 47447.54ms. Allocated memory is still 11.5GB. Free memory was 8.9GB in the beginning and 6.7GB in the end (delta: 2.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:34:25,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b --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 f209fde5374382972eeaa61490b578fcb77a278dab4613adba1b464e1797d3fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:34:28,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:34:28,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:34:28,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:34:28,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:34:28,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:34:28,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:34:28,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:34:28,145 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:34:28,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:28,146 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:34:28,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:28,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:28,147 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:34:28,147 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b 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 -> f209fde5374382972eeaa61490b578fcb77a278dab4613adba1b464e1797d3fe [2024-12-06 00:34:28,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:34:28,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:34:28,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:34:28,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:34:28,383 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:34:28,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c [2024-12-06 00:34:31,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/9170025d2/7b1135f5116442bab4987caedea0f6d8/FLAG7e3f4b4ad [2024-12-06 00:34:31,572 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:34:31,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c [2024-12-06 00:34:31,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/9170025d2/7b1135f5116442bab4987caedea0f6d8/FLAG7e3f4b4ad [2024-12-06 00:34:31,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/data/9170025d2/7b1135f5116442bab4987caedea0f6d8 [2024-12-06 00:34:31,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:34:31,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:34:31,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:31,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:34:31,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:34:31,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42972c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31, skipping insertion in model container [2024-12-06 00:34:31,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:34:32,019 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c[1246,1259] [2024-12-06 00:34:32,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:32,792 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:34:32,800 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_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal172.c[1246,1259] [2024-12-06 00:34:33,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:33,507 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:34:33,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33 WrapperNode [2024-12-06 00:34:33,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:33,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:33,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:34:33,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:34:33,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:33,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:33,898 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12726 [2024-12-06 00:34:33,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:33,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:34:33,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:34:33,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:34:33,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:33,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:33,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:33,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:34:34,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:34:34,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:34:34,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:34:34,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:33" (1/1) ... [2024-12-06 00:34:34,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:34,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:34:34,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:34:34,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:34:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:34:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:34:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:34:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:34:35,923 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:34:35,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:35:52,385 INFO L? ?]: Removed 1334 outVars from TransFormulas that were not future-live. [2024-12-06 00:35:52,386 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:35:52,624 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:35:52,624 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:35:52,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:52 BoogieIcfgContainer [2024-12-06 00:35:52,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:35:52,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:35:52,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:35:52,632 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:35:52,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:52" (1/1) ... [2024-12-06 00:35:52,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:35:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:35:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:35:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:35:52,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:52,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:52,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:52,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:35:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:55,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:56,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:35:56,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:35:56,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:58,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:36:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:36:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:36:00,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:00,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:00,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:00,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:00,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:36:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:09,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:13,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 2609 conjuncts, 717 conjuncts are in the unsatisfiable core [2024-12-06 00:36:13,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:36:37,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:36:42,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:47,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:49,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:54,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:57,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 00:36:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 00:36:58,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:36:58,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:58,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:58,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:58,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:58,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb96e390-2e5d-4fe0-a7cf-29f2cca76285/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:37:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:30,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:40,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 3822 conjuncts, 668 conjuncts are in the unsatisfiable core [2024-12-06 00:37:40,327 INFO L279 TraceCheckSpWp]: Computing forward predicates...