./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV --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 1ef8d174762b17df623a48d7afe94f1e8bc5e2233dcaad9b42847f8ac912d010 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:23,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:23,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:23,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:23,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:23,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:23,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:23,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:23,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:23,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:23,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:23,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:23,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:23,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:23,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:23,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:23,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:23,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:23,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:23,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:23,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:23,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:23,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:23,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:23,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:23,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:23,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:23,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:23,452 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:23,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef8d174762b17df623a48d7afe94f1e8bc5e2233dcaad9b42847f8ac912d010 [2023-11-11 23:57:23,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:23,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:23,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:23,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:23,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:23,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-11-11 23:57:27,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:27,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:27,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-11-11 23:57:27,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/bc3253944/7464d24bbd3c46b69e894c3eae4e66e3/FLAG2f021a95c [2023-11-11 23:57:27,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/bc3253944/7464d24bbd3c46b69e894c3eae4e66e3 [2023-11-11 23:57:27,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:27,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:27,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:27,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:27,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:27,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443be6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27, skipping insertion in model container [2023-11-11 23:57:27,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:27,560 WARN L240 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_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c[1258,1271] [2023-11-11 23:57:27,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:27,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:27,720 WARN L240 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_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c[1258,1271] [2023-11-11 23:57:27,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:27,811 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:27,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27 WrapperNode [2023-11-11 23:57:27,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:27,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:27,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:27,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:27,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,948 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 674 [2023-11-11 23:57:27,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:27,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:27,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:27,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:27,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:28,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:28,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:28,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:28,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:28,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:28,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:28,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:28,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:28,475 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:28,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:29,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:30,148 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:30,149 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:30,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:30 BoogieIcfgContainer [2023-11-11 23:57:30,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:30,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:30,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:30,163 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:30,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:30" (1/1) ... [2023-11-11 23:57:30,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:30,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:30,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:31,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:31,324 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:57:31,377 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:57:31,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:31 ImpRootNode [2023-11-11 23:57:31,391 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:31,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:31,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:31,395 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:31,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:30" (3/4) ... [2023-11-11 23:57:31,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:57:31,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:31,403 INFO L158 Benchmark]: Toolchain (without parser) took 4069.27ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 135.2MB in the beginning and 116.7MB in the end (delta: 18.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,404 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:31,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.49ms. Allocated memory is still 167.8MB. Free memory was 135.2MB in the beginning and 115.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.50ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 103.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,408 INFO L158 Benchmark]: Boogie Preprocessor took 129.66ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 99.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,409 INFO L158 Benchmark]: RCFGBuilder took 2071.03ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 99.0MB in the beginning and 175.4MB in the end (delta: -76.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,410 INFO L158 Benchmark]: CodeCheck took 1239.00ms. Allocated memory is still 226.5MB. Free memory was 175.4MB in the beginning and 117.4MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-11 23:57:31,411 INFO L158 Benchmark]: Witness Printer took 7.33ms. Allocated memory is still 226.5MB. Free memory was 117.4MB in the beginning and 116.7MB in the end (delta: 685.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:31,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 144, overapproximation of bitwiseAnd at line 110. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 32); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (32 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 2); [L33] const SORT_16 msb_SORT_16 = (SORT_16)1 << (2 - 1); [L35] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 3); [L36] const SORT_59 msb_SORT_59 = (SORT_59)1 << (3 - 1); [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 3; [L40] const SORT_3 var_22 = 1; [L41] const SORT_3 var_36 = 0; [L42] const SORT_16 var_77 = 2; [L43] const SORT_16 var_80 = 1; [L44] const SORT_59 var_92 = 0; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_1 input_5; [L49] SORT_3 input_6; [L50] SORT_3 input_7; [L51] SORT_3 input_8; [L52] SORT_1 input_9; [L53] SORT_3 input_10; [L54] SORT_3 input_11; [L55] SORT_1 input_12; [L56] SORT_3 input_13; [L57] SORT_3 input_14; [L58] SORT_3 input_15; [L59] SORT_1 input_32; [L60] SORT_3 input_34; [L61] SORT_1 input_39; [L62] SORT_3 input_41; [L63] SORT_1 input_47; [L64] SORT_1 input_53; [L65] SORT_1 input_55; [L66] SORT_1 input_57; [L67] SORT_59 input_60; [L68] SORT_59 input_66; [L69] SORT_1 input_69; [L70] SORT_3 input_73; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 [L72] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L73] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L74] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L75] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L76] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L77] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L78] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L79] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L80] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L81] SORT_3 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_3 init_24_arg_1 = var_22; [L86] state_23 = init_24_arg_1 [L87] SORT_3 init_38_arg_1 = var_36; [L88] state_37 = init_38_arg_1 [L89] SORT_3 init_44_arg_1 = var_36; [L90] state_43 = init_44_arg_1 [L91] SORT_3 init_46_arg_1 = var_36; [L92] state_45 = init_46_arg_1 [L93] SORT_3 init_50_arg_1 = var_36; [L94] state_49 = init_50_arg_1 [L95] SORT_3 init_52_arg_1 = var_36; [L96] state_51 = init_52_arg_1 [L97] SORT_3 init_63_arg_1 = var_36; [L98] state_62 = init_63_arg_1 [L99] SORT_3 init_65_arg_1 = var_36; [L100] state_64 = init_65_arg_1 [L101] SORT_3 init_72_arg_1 = var_36; [L102] state_71 = init_72_arg_1 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L105] input_2 = __VERIFIER_nondet_uint() [L106] input_4 = __VERIFIER_nondet_uchar() [L107] input_5 = __VERIFIER_nondet_uint() [L108] input_6 = __VERIFIER_nondet_uchar() [L109] input_7 = __VERIFIER_nondet_uchar() [L110] EXPR input_7 & mask_SORT_3 [L110] input_7 = input_7 & mask_SORT_3 [L111] input_8 = __VERIFIER_nondet_uchar() [L112] EXPR input_8 & mask_SORT_3 [L112] input_8 = input_8 & mask_SORT_3 [L113] input_9 = __VERIFIER_nondet_uint() [L114] input_10 = __VERIFIER_nondet_uchar() [L115] EXPR input_10 & mask_SORT_3 [L115] input_10 = input_10 & mask_SORT_3 [L116] input_11 = __VERIFIER_nondet_uchar() [L117] EXPR input_11 & mask_SORT_3 [L117] input_11 = input_11 & mask_SORT_3 [L118] input_12 = __VERIFIER_nondet_uint() [L119] input_13 = __VERIFIER_nondet_uchar() [L120] input_14 = __VERIFIER_nondet_uchar() [L121] input_15 = __VERIFIER_nondet_uchar() [L122] input_32 = __VERIFIER_nondet_uint() [L123] input_34 = __VERIFIER_nondet_uchar() [L124] input_39 = __VERIFIER_nondet_uint() [L125] input_41 = __VERIFIER_nondet_uchar() [L126] input_47 = __VERIFIER_nondet_uint() [L127] input_53 = __VERIFIER_nondet_uint() [L128] input_55 = __VERIFIER_nondet_uint() [L129] input_57 = __VERIFIER_nondet_uint() [L130] input_60 = __VERIFIER_nondet_uchar() [L131] input_66 = __VERIFIER_nondet_uchar() [L132] input_69 = __VERIFIER_nondet_uint() [L133] input_73 = __VERIFIER_nondet_uchar() [L136] SORT_16 var_21_arg_0 = state_18; [L137] SORT_16 var_21_arg_1 = var_20; [L138] SORT_3 var_21 = var_21_arg_0 != var_21_arg_1; [L139] SORT_3 var_25_arg_0 = state_23; [L140] SORT_3 var_25_arg_1 = var_22; [L141] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L142] SORT_3 var_26_arg_0 = var_21; [L143] SORT_3 var_26_arg_1 = var_25; [L144] EXPR var_26_arg_0 | var_26_arg_1 [L144] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L145] SORT_3 var_29_arg_0 = var_26; [L146] SORT_3 var_29 = ~var_29_arg_0; [L147] SORT_3 var_30_arg_0 = var_22; [L148] SORT_3 var_30_arg_1 = var_29; [L149] EXPR var_30_arg_0 & var_30_arg_1 [L149] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L150] EXPR var_30 & mask_SORT_3 [L150] var_30 = var_30 & mask_SORT_3 [L151] SORT_3 bad_31_arg_0 = var_30; [L152] CALL __VERIFIER_assert(!(bad_31_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.49ms. Allocated memory is still 167.8MB. Free memory was 135.2MB in the beginning and 115.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.50ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 103.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.66ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 99.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2071.03ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 99.0MB in the beginning and 175.4MB in the end (delta: -76.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * CodeCheck took 1239.00ms. Allocated memory is still 226.5MB. Free memory was 175.4MB in the beginning and 117.4MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 7.33ms. Allocated memory is still 226.5MB. Free memory was 117.4MB in the beginning and 116.7MB in the end (delta: 685.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:57:31,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV --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 1ef8d174762b17df623a48d7afe94f1e8bc5e2233dcaad9b42847f8ac912d010 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:34,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:34,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:57:34,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:34,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:34,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:34,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:34,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:34,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:34,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:34,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:34,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:34,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:34,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:34,564 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:34,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:34,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:34,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:34,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:34,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:34,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:34,572 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:34,573 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:34,573 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:34,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:34,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:34,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:34,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:34,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:34,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:34,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:34,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:34,578 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:34,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:34,578 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef8d174762b17df623a48d7afe94f1e8bc5e2233dcaad9b42847f8ac912d010 [2023-11-11 23:57:35,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:35,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:35,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:35,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:35,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:35,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-11-11 23:57:38,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:38,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:38,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-11-11 23:57:38,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/bc6c97147/b368e4cb4b0f48a59877550209fbac72/FLAGeb1d489af [2023-11-11 23:57:38,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/data/bc6c97147/b368e4cb4b0f48a59877550209fbac72 [2023-11-11 23:57:38,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:38,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:38,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:38,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:38,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:38,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:38" (1/1) ... [2023-11-11 23:57:38,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477fe22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:38, skipping insertion in model container [2023-11-11 23:57:38,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:38" (1/1) ... [2023-11-11 23:57:38,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:39,240 WARN L240 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_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c[1258,1271] [2023-11-11 23:57:39,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:39,426 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:39,446 WARN L240 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_4fa26657-a3c6-42a0-892e-d9e252475c32/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c[1258,1271] [2023-11-11 23:57:39,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:39,647 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:39,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39 WrapperNode [2023-11-11 23:57:39,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:39,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:39,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:39,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:39,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,805 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 404 [2023-11-11 23:57:39,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:39,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:39,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:39,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:39,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:39,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:39,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:39,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:39,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:39,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:39,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:40,146 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:40,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:40,662 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:40,713 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:40,714 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:40,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:40 BoogieIcfgContainer [2023-11-11 23:57:40,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:40,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:40,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:40,728 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:40,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:40" (1/1) ... [2023-11-11 23:57:40,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:40,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:40,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:40,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:57:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,016 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:57:41,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:41,321 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:41,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:57:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:57:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:57:41,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:41,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:41,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:41,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:57:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,823 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-11 23:57:41,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:42,262 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:42,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-11 23:57:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-11 23:57:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:42,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:42,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:42,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:42,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:57:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:43,228 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:43,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-11 23:57:43,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:44,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:44,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-11 23:57:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2023-11-11 23:57:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2023-11-11 23:57:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:45,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:45,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:57:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:46,450 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:46,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-11 23:57:46,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:53,362 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:53,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 63 transitions. [2023-11-11 23:57:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 63 transitions. [2023-11-11 23:57:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:58,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:58,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:58,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:58,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:57:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,380 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 108 conjunts are in the unsatisfiable core [2023-11-11 23:57:59,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:04,712 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:04,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 33 states and 88 transitions. [2023-11-11 23:58:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 88 transitions. [2023-11-11 23:58:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:58:09,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:09,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:09,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa26657-a3c6-42a0-892e-d9e252475c32/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-11 23:58:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:09,967 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-11 23:58:10,280 INFO L285 TraceCheckSpWp]: Computing forward predicates...