./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi --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 51c029c3e6da7a855218885875d9decd9132b07b4b4a0cd8ca561de10b840446 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:45,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:45,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:04:45,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:45,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:45,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:45,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:45,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:45,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:45,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:45,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:45,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:45,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:45,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:45,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:45,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:45,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:45,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:45,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:45,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:45,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:45,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:45,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:45,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:45,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:45,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:45,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:45,448 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:45,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:45,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:45,451 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51c029c3e6da7a855218885875d9decd9132b07b4b4a0cd8ca561de10b840446 [2023-11-24 23:04:45,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:45,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:45,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:45,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:45,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:45,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2023-11-24 23:04:48,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:49,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:49,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2023-11-24 23:04:49,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/9fa8218f1/5c4d5d23d496464bb9590f9d7ef69c97/FLAGe7f11117d [2023-11-24 23:04:49,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/9fa8218f1/5c4d5d23d496464bb9590f9d7ef69c97 [2023-11-24 23:04:49,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:49,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:49,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:49,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:49,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:49,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588beaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49, skipping insertion in model container [2023-11-24 23:04:49,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:49,494 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1297,1310] [2023-11-24 23:04:49,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:49,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:49,555 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1297,1310] [2023-11-24 23:04:49,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:49,590 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:49,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49 WrapperNode [2023-11-24 23:04:49,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:49,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:49,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:49,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:49,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,648 INFO L138 Inliner]: procedures = 18, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2023-11-24 23:04:49,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:49,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:49,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:49,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:49,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:49,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:49,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:49,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:49,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:49,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:49,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:49,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:50,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:50,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:50,580 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:50,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:50 BoogieIcfgContainer [2023-11-24 23:04:50,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:50,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:50,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:50,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:50,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:50" (1/1) ... [2023-11-24 23:04:50,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:04:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:04:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:50,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:50,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:50,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:51,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:51,464 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:51,525 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:04:51,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:51 ImpRootNode [2023-11-24 23:04:51,535 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:51,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:51,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:51,540 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:51,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:50" (3/4) ... [2023-11-24 23:04:51,543 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:51,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:51,550 INFO L158 Benchmark]: Toolchain (without parser) took 2284.85ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 116.3MB in the end (delta: 22.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:51,551 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 86.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:51,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.02ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 126.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:51,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.81ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 124.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:51,555 INFO L158 Benchmark]: Boogie Preprocessor took 34.77ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 122.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:51,558 INFO L158 Benchmark]: RCFGBuilder took 897.39ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 84.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:51,559 INFO L158 Benchmark]: CodeCheck took 953.20ms. Allocated memory is still 169.9MB. Free memory was 84.8MB in the beginning and 116.5MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:51,560 INFO L158 Benchmark]: Witness Printer took 12.16ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 196.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:51,565 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: 0.9s, 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, 0.2s 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: 22]: 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 bitwiseAnd at line 59. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 101); [L31] const SORT_4 msb_SORT_4 = (SORT_4)1 << (101 - 1); [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L36] const SORT_4 var_5 = 1; [L37] const SORT_8 var_9 = 200; [L38] const SORT_1 var_14 = 1; [L39] const SORT_4 var_18 = 0; [L40] const SORT_8 var_23 = 100; [L42] SORT_1 input_2; [L43] SORT_1 input_3; [L45] EXPR __VERIFIER_nondet_uint128() & mask_SORT_4 [L45] SORT_4 state_6 = __VERIFIER_nondet_uint128() & mask_SORT_4; [L46] EXPR __VERIFIER_nondet_uint128() & mask_SORT_4 [L46] SORT_4 state_19 = __VERIFIER_nondet_uint128() & mask_SORT_4; [L48] SORT_4 init_7_arg_1 = var_5; [L49] state_6 = init_7_arg_1 [L50] SORT_4 init_20_arg_1 = var_18; [L51] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=2535301200456458802993406410751, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=1267650600228229401496703205376, msb_SORT_8=2147483648, state_19=0, state_6=1, var_14=1, var_18=0, var_23=100, var_5=1, var_9=200] [L54] input_2 = __VERIFIER_nondet_uchar() [L55] input_3 = __VERIFIER_nondet_uchar() [L58] SORT_8 var_10_arg_0 = var_9; [L59] EXPR var_10_arg_0 & mask_SORT_8 [L59] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L60] SORT_4 var_10 = var_10_arg_0; [L61] SORT_4 var_11_arg_0 = state_6; [L62] SORT_4 var_11_arg_1 = var_10; [L63] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L64] SORT_1 var_15_arg_0 = var_11; [L65] SORT_1 var_15 = ~var_15_arg_0; [L66] SORT_1 var_16_arg_0 = var_14; [L67] SORT_1 var_16_arg_1 = var_15; [L68] EXPR var_16_arg_0 & var_16_arg_1 [L68] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L69] EXPR var_16 & mask_SORT_1 [L69] var_16 = var_16 & mask_SORT_1 [L70] SORT_1 bad_17_arg_0 = var_16; [L71] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 86.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.02ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 126.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.81ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 124.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.77ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 122.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 897.39ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 84.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 953.20ms. Allocated memory is still 169.9MB. Free memory was 84.8MB in the beginning and 116.5MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.16ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 196.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:51,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/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_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi --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 51c029c3e6da7a855218885875d9decd9132b07b4b4a0cd8ca561de10b840446 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:54,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:54,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 23:04:54,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:54,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:54,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:54,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:54,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:54,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:54,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:54,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:54,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:54,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:54,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:54,500 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:54,500 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:54,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:54,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:54,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:54,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:54,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:54,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:54,504 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:54,504 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:54,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:54,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:54,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:54,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:54,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:54,508 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:54,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:54,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:54,510 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:54,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:54,511 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51c029c3e6da7a855218885875d9decd9132b07b4b4a0cd8ca561de10b840446 [2023-11-24 23:04:54,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:54,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:54,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:54,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:54,941 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:54,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2023-11-24 23:04:58,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:58,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:58,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2023-11-24 23:04:58,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/70cd2061f/4e8d63c107b34860bf5263f59752b288/FLAG95dd1327b [2023-11-24 23:04:58,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/data/70cd2061f/4e8d63c107b34860bf5263f59752b288 [2023-11-24 23:04:58,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:58,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:58,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:58,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:58,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:58,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6a28ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58, skipping insertion in model container [2023-11-24 23:04:58,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:58,686 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1297,1310] [2023-11-24 23:04:58,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:58,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:58,761 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_67d3fd96-ed3b-455d-b147-78e7209f6de1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1297,1310] [2023-11-24 23:04:58,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:58,801 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:58,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58 WrapperNode [2023-11-24 23:04:58,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:58,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:58,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:58,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:58,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,850 INFO L138 Inliner]: procedures = 18, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-24 23:04:58,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:58,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:58,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:58,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:58,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:58,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:58,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:58,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:58,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:58" (1/1) ... [2023-11-24 23:04:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:58,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:58,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:59,117 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:59,119 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:59,440 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:59,528 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:59,529 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:59,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:59 BoogieIcfgContainer [2023-11-24 23:04:59,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:59,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:59,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:59,544 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:59,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:59" (1/1) ... [2023-11-24 23:04:59,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:04:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:04:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:59,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:59,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:59,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:59,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:59,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:59,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:59,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:59,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:00,309 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:00,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 23:05:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 23:05:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:00,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:00,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:00,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:05:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:00,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:00,704 WARN L260 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:05:00,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:01,417 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:01,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 23:05:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 23:05:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:05:02,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:02,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:02,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:02,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:02,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:05:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:02,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:02,583 WARN L260 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 23:05:02,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:03,283 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:03,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 23:05:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 23:05:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:04,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:04,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:04,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:04,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:04,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:05:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,998 WARN L260 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-24 23:05:05,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:05,890 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:05,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-24 23:05:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-24 23:05:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:07,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:07,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:07,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:05:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:07,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:08,024 WARN L260 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-24 23:05:08,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:09,084 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:09,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-24 23:05:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-24 23:05:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:05:11,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:11,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:11,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:05:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:11,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:11,617 WARN L260 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 104 conjunts are in the unsatisfiable core [2023-11-24 23:05:11,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:12,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-11-24 23:05:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-24 23:05:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:05:15,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:15,137 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:15,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:05:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:15,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:15,574 WARN L260 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-24 23:05:15,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:16,809 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:16,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2023-11-24 23:05:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2023-11-24 23:05:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:05:19,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:19,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:19,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:19,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:05:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,210 WARN L260 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 134 conjunts are in the unsatisfiable core [2023-11-24 23:05:20,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:21,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-24 23:05:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2023-11-24 23:05:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2023-11-24 23:05:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:05:24,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:24,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:24,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:24,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:24,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:05:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:25,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:25,415 WARN L260 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 149 conjunts are in the unsatisfiable core [2023-11-24 23:05:25,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:27,004 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:27,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2023-11-24 23:05:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2023-11-24 23:05:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:05:30,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:30,880 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:05:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:31,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:31,646 WARN L260 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 164 conjunts are in the unsatisfiable core [2023-11-24 23:05:31,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:33,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-11-24 23:05:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-11-24 23:05:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:05:37,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:37,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:37,580 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:37,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 23:05:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:38,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:38,285 WARN L260 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 179 conjunts are in the unsatisfiable core [2023-11-24 23:05:38,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:40,322 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d3fd96-ed3b-455d-b147-78e7209f6de1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0