./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/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_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/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_e760a736-2403-4d0a-9774-8ef49be97271/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 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:55,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:55,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-12 00:03:55,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:55,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:55,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:55,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:55,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:55,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:55,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:55,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:55,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:55,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:55,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:55,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:55,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:55,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:55,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:55,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:55,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:55,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:55,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:55,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:55,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:55,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:55,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:55,568 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:55,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:55,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:55,569 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_e760a736-2403-4d0a-9774-8ef49be97271/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 [2023-11-12 00:03:55,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:55,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:55,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:55,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:55,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:55,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2023-11-12 00:03:59,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:59,452 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:59,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2023-11-12 00:03:59,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/93f582897/05b220f00af84ab9b998572993c8ee5d/FLAG6e05dcc8a [2023-11-12 00:03:59,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/93f582897/05b220f00af84ab9b998572993c8ee5d [2023-11-12 00:03:59,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:59,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:59,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:59,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:59,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:59,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:59" (1/1) ... [2023-11-12 00:03:59,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6221cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:59, skipping insertion in model container [2023-11-12 00:03:59,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:59" (1/1) ... [2023-11-12 00:03:59,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:59,822 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_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c[1172,1185] [2023-11-12 00:04:00,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:00,189 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:00,206 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_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c[1172,1185] [2023-11-12 00:04:00,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:00,445 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:00,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00 WrapperNode [2023-11-12 00:04:00,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:00,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:00,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:00,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:00,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:00,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,169 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5406 [2023-11-12 00:04:01,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:01,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:01,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:01,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:01,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:01,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:01,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:01,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:01,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:00" (1/1) ... [2023-11-12 00:04:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:01,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:01,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:02,399 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:02,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:07,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:18,919 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:18,920 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:04:18,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:18 BoogieIcfgContainer [2023-11-12 00:04:18,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:18,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:18,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:18,934 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:18,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:04:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-12 00:04:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-12 00:04:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:04:18,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:19,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:04:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:20,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:04:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:21,187 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:04:21,247 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:04:21,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:04:21 ImpRootNode [2023-11-12 00:04:21,266 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:04:21,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:04:21,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:04:21,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:04:21,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:18" (3/4) ... [2023-11-12 00:04:21,274 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:04:21,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:04:21,276 INFO L158 Benchmark]: Toolchain (without parser) took 21773.10ms. Allocated memory was 184.5MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 137.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 589.0MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,277 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:21,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.99ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 123.4MB in the end (delta: 14.0MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 722.64ms. Allocated memory was 184.5MB in the beginning and 297.8MB in the end (delta: 113.2MB). Free memory was 123.4MB in the beginning and 180.7MB in the end (delta: -57.3MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,281 INFO L158 Benchmark]: Boogie Preprocessor took 749.99ms. Allocated memory is still 297.8MB. Free memory was 180.7MB in the beginning and 156.7MB in the end (delta: 24.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,282 INFO L158 Benchmark]: RCFGBuilder took 17002.02ms. Allocated memory was 297.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 156.7MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 542.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,284 INFO L158 Benchmark]: CodeCheck took 2341.89ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,285 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 2.2GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:21,296 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: 2.2s, 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: 0.1s SsaConstructionTime, 0.4s 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 206, overapproximation of bitwiseAnd at line 173. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_75 = 0; [L41] const SORT_4 var_77 = 50; [L42] const SORT_2 var_81 = 10; [L43] const SORT_4 var_85 = 1; [L44] const SORT_2 var_91 = 4; [L45] const SORT_4 var_93 = 2; [L46] const SORT_2 var_117 = 12; [L47] const SORT_2 var_140 = 2; [L48] const SORT_2 var_181 = 15; [L50] SORT_1 input_82; [L51] SORT_1 input_92; [L52] SORT_1 input_98; [L53] SORT_1 input_122; [L54] SORT_1 input_125; [L55] SORT_1 input_126; [L56] SORT_1 input_127; [L57] SORT_1 input_128; [L58] SORT_1 input_147; [L59] SORT_1 input_148; [L60] SORT_1 input_170; [L61] SORT_1 input_174; [L62] SORT_1 input_216; [L63] SORT_1 input_219; [L64] SORT_1 input_240; [L65] SORT_1 input_261; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L67] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L68] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L69] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L70] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L71] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L74] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L75] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_2 init_7_arg_1 = var_5; [L103] state_6 = init_7_arg_1 [L104] SORT_2 init_9_arg_1 = var_5; [L105] state_8 = init_9_arg_1 [L106] SORT_2 init_11_arg_1 = var_5; [L107] state_10 = init_11_arg_1 [L108] SORT_2 init_13_arg_1 = var_5; [L109] state_12 = init_13_arg_1 [L110] SORT_2 init_15_arg_1 = var_5; [L111] state_14 = init_15_arg_1 [L112] SORT_2 init_17_arg_1 = var_5; [L113] state_16 = init_17_arg_1 [L114] SORT_2 init_19_arg_1 = var_5; [L115] state_18 = init_19_arg_1 [L116] SORT_2 init_21_arg_1 = var_5; [L117] state_20 = init_21_arg_1 [L118] SORT_2 init_23_arg_1 = var_5; [L119] state_22 = init_23_arg_1 [L120] SORT_2 init_25_arg_1 = var_5; [L121] state_24 = init_25_arg_1 [L122] SORT_2 init_27_arg_1 = var_5; [L123] state_26 = init_27_arg_1 [L124] SORT_2 init_29_arg_1 = var_5; [L125] state_28 = init_29_arg_1 [L126] SORT_1 init_32_arg_1 = var_30; [L127] state_31 = init_32_arg_1 [L128] SORT_1 init_34_arg_1 = var_30; [L129] state_33 = init_34_arg_1 [L130] SORT_1 init_36_arg_1 = var_30; [L131] state_35 = init_36_arg_1 [L132] SORT_1 init_38_arg_1 = var_30; [L133] state_37 = init_38_arg_1 [L134] SORT_1 init_40_arg_1 = var_30; [L135] state_39 = init_40_arg_1 [L136] SORT_1 init_42_arg_1 = var_30; [L137] state_41 = init_42_arg_1 [L138] SORT_1 init_44_arg_1 = var_30; [L139] state_43 = init_44_arg_1 [L140] SORT_1 init_46_arg_1 = var_30; [L141] state_45 = init_46_arg_1 [L142] SORT_1 init_48_arg_1 = var_30; [L143] state_47 = init_48_arg_1 [L144] SORT_1 init_50_arg_1 = var_30; [L145] state_49 = init_50_arg_1 [L146] SORT_1 init_52_arg_1 = var_30; [L147] state_51 = init_52_arg_1 [L148] SORT_1 init_54_arg_1 = var_30; [L149] state_53 = init_54_arg_1 [L150] SORT_1 init_56_arg_1 = var_30; [L151] state_55 = init_56_arg_1 [L152] SORT_1 init_58_arg_1 = var_30; [L153] state_57 = init_58_arg_1 [L154] SORT_1 init_60_arg_1 = var_30; [L155] state_59 = init_60_arg_1 [L156] SORT_1 init_62_arg_1 = var_30; [L157] state_61 = init_62_arg_1 [L158] SORT_1 init_64_arg_1 = var_30; [L159] state_63 = init_64_arg_1 [L160] SORT_1 init_66_arg_1 = var_30; [L161] state_65 = init_66_arg_1 [L162] SORT_1 init_68_arg_1 = var_30; [L163] state_67 = init_68_arg_1 [L164] SORT_1 init_70_arg_1 = var_30; [L165] state_69 = init_70_arg_1 [L166] SORT_1 init_72_arg_1 = var_30; [L167] state_71 = init_72_arg_1 [L168] SORT_1 init_74_arg_1 = var_30; [L169] state_73 = init_74_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L172] input_82 = __VERIFIER_nondet_uchar() [L173] EXPR input_82 & mask_SORT_1 [L173] input_82 = input_82 & mask_SORT_1 [L174] input_92 = __VERIFIER_nondet_uchar() [L175] EXPR input_92 & mask_SORT_1 [L175] input_92 = input_92 & mask_SORT_1 [L176] input_98 = __VERIFIER_nondet_uchar() [L177] EXPR input_98 & mask_SORT_1 [L177] input_98 = input_98 & mask_SORT_1 [L178] input_122 = __VERIFIER_nondet_uchar() [L179] EXPR input_122 & mask_SORT_1 [L179] input_122 = input_122 & mask_SORT_1 [L180] input_125 = __VERIFIER_nondet_uchar() [L181] EXPR input_125 & mask_SORT_1 [L181] input_125 = input_125 & mask_SORT_1 [L182] input_126 = __VERIFIER_nondet_uchar() [L183] EXPR input_126 & mask_SORT_1 [L183] input_126 = input_126 & mask_SORT_1 [L184] input_127 = __VERIFIER_nondet_uchar() [L185] EXPR input_127 & mask_SORT_1 [L185] input_127 = input_127 & mask_SORT_1 [L186] input_128 = __VERIFIER_nondet_uchar() [L187] EXPR input_128 & mask_SORT_1 [L187] input_128 = input_128 & mask_SORT_1 [L188] input_147 = __VERIFIER_nondet_uchar() [L189] EXPR input_147 & mask_SORT_1 [L189] input_147 = input_147 & mask_SORT_1 [L190] input_148 = __VERIFIER_nondet_uchar() [L191] EXPR input_148 & mask_SORT_1 [L191] input_148 = input_148 & mask_SORT_1 [L192] input_170 = __VERIFIER_nondet_uchar() [L193] EXPR input_170 & mask_SORT_1 [L193] input_170 = input_170 & mask_SORT_1 [L194] input_174 = __VERIFIER_nondet_uchar() [L195] EXPR input_174 & mask_SORT_1 [L195] input_174 = input_174 & mask_SORT_1 [L196] input_216 = __VERIFIER_nondet_uchar() [L197] EXPR input_216 & mask_SORT_1 [L197] input_216 = input_216 & mask_SORT_1 [L198] input_219 = __VERIFIER_nondet_uchar() [L199] EXPR input_219 & mask_SORT_1 [L199] input_219 = input_219 & mask_SORT_1 [L200] input_240 = __VERIFIER_nondet_uchar() [L201] input_261 = __VERIFIER_nondet_uchar() [L204] SORT_3 var_76_arg_0 = var_75; [L205] SORT_2 var_76_arg_1 = state_28; [L206] EXPR ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1 [L206] SORT_4 var_76 = ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1; [L207] EXPR var_76 & mask_SORT_4 [L207] var_76 = var_76 & mask_SORT_4 [L208] SORT_4 var_78_arg_0 = var_76; [L209] SORT_4 var_78_arg_1 = var_77; [L210] SORT_1 var_78 = var_78_arg_0 <= var_78_arg_1; [L211] SORT_1 var_79_arg_0 = ~state_73; [L212] EXPR var_79_arg_0 & mask_SORT_1 [L212] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L213] SORT_1 var_79_arg_1 = ~var_78; [L214] EXPR var_79_arg_1 & mask_SORT_1 [L214] var_79_arg_1 = var_79_arg_1 & mask_SORT_1 [L215] EXPR var_79_arg_0 & var_79_arg_1 [L215] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L216] EXPR var_79 & mask_SORT_1 [L216] var_79 = var_79 & mask_SORT_1 [L217] SORT_1 bad_80_arg_0 = var_79; [L218] CALL __VERIFIER_assert(!(bad_80_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 0.36ms. Allocated memory is still 136.3MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.99ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 123.4MB in the end (delta: 14.0MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 722.64ms. Allocated memory was 184.5MB in the beginning and 297.8MB in the end (delta: 113.2MB). Free memory was 123.4MB in the beginning and 180.7MB in the end (delta: -57.3MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 749.99ms. Allocated memory is still 297.8MB. Free memory was 180.7MB in the beginning and 156.7MB in the end (delta: 24.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * RCFGBuilder took 17002.02ms. Allocated memory was 297.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 156.7MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 542.1MB. Max. memory is 16.1GB. * CodeCheck took 2341.89ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 2.2GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:04:21,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/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_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/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_e760a736-2403-4d0a-9774-8ef49be97271/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 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:24,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:24,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-12 00:04:24,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:24,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:24,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:24,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:24,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:24,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:24,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:24,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:24,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:24,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:24,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:24,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:24,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:24,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:24,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:24,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:24,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:24,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:24,255 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:24,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:24,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:24,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:24,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:24,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:24,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:24,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:24,258 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:24,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:24,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:24,260 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:24,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:24,261 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_e760a736-2403-4d0a-9774-8ef49be97271/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 [2023-11-12 00:04:24,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:24,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:24,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:24,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:24,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:24,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2023-11-12 00:04:28,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:28,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:28,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2023-11-12 00:04:28,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/8d2339e6a/12da33ffe1d648568b631d1b681e2f04/FLAG5c96dff46 [2023-11-12 00:04:28,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/data/8d2339e6a/12da33ffe1d648568b631d1b681e2f04 [2023-11-12 00:04:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:28,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:28,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:28,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:28,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:28,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554a1acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28, skipping insertion in model container [2023-11-12 00:04:28,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:28,816 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_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c[1172,1185] [2023-11-12 00:04:29,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:29,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:29,250 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_e760a736-2403-4d0a-9774-8ef49be97271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c[1172,1185] [2023-11-12 00:04:29,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:29,427 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:29,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29 WrapperNode [2023-11-12 00:04:29,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:29,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:29,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:29,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:29,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,600 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1539 [2023-11-12 00:04:29,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:29,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:29,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:29,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:29,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:29,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:29,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:29,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:29,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:29,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:29,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:29,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:04:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:30,285 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:30,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:32,971 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:33,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:33,086 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:04:33,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:33 BoogieIcfgContainer [2023-11-12 00:04:33,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:33,091 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:33,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:33,101 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:33,101 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:04:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-12 00:04:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-12 00:04:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:04:33,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:33,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:04:33,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:04:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:04:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:33,791 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:04:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:33,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:04:33,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:34,259 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:04:34,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:04:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-12 00:04:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-12 00:04:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:04:34,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:34,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:34,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:04:34,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:04:34,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:04:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,747 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:04:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:36,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-12 00:04:36,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:36,960 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:04:36,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:04:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-12 00:04:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-12 00:04:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:04:39,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:39,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:39,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:04:39,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:04:39,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e760a736-2403-4d0a-9774-8ef49be97271/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process