./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk --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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:51,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:51,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:52:51,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:52:51,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:52:51,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:51,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:51,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:51,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:51,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:51,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:51,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:51,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:52:51,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:51,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:51,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:51,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:51,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:51,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:51,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:51,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:51,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:51,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:51,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:51,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:51,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:51,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:51,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:51,537 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:52:51,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:52:51,537 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_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-11-09 00:52:51,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:51,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:51,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:51,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:51,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:51,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c Unable to find full path for "g++" [2024-11-09 00:52:53,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:54,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:54,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-11-09 00:52:54,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/1b88ddd36/fe748635bd4d4bcfaa0cc0b25a3e1ea3/FLAG7dbfa0b48 [2024-11-09 00:52:54,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/1b88ddd36/fe748635bd4d4bcfaa0cc0b25a3e1ea3 [2024-11-09 00:52:54,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:54,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:54,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:54,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:54,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:54,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f85a984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54, skipping insertion in model container [2024-11-09 00:52:54,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:54,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-09 00:52:54,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:54,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:54,475 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-09 00:52:54,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:54,525 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:54,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54 WrapperNode [2024-11-09 00:52:54,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:54,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:54,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:54,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:54,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,618 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2024-11-09 00:52:54,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:54,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:54,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:54,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:54,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:54,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:54,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:54,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:54,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:54" (1/1) ... [2024-11-09 00:52:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:54,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:54,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:54,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:52:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:54,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:54,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:52:55,537 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-09 00:52:55,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:52:55,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:52:55,843 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:52:55,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:55 BoogieIcfgContainer [2024-11-09 00:52:55,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:52:55,844 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:52:55,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:52:55,856 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:52:55,856 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:52:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:52:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:52:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:52:55,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:55,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:56,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:52:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:56,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:52:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:56,456 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:52:56,491 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 00:52:56,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:52:56 ImpRootNode [2024-11-09 00:52:56,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:52:56,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:52:56,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:52:56,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:52:56,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:55" (3/4) ... [2024-11-09 00:52:56,503 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:52:56,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:52:56,506 INFO L158 Benchmark]: Toolchain (without parser) took 2346.14ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 82.2MB in the beginning and 112.8MB in the end (delta: -30.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,507 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:56,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 66.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.55ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 61.5MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,509 INFO L158 Benchmark]: Boogie Preprocessor took 76.04ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 59.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,511 INFO L158 Benchmark]: RCFGBuilder took 1147.64ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 58.8MB in the beginning and 136.9MB in the end (delta: -78.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,513 INFO L158 Benchmark]: CodeCheck took 653.67ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 112.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:56,514 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 176.2MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:56,520 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 68. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 4); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (4 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 2; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_19 = 5; [L39] const SORT_4 var_22 = 7; [L40] const SORT_4 var_26 = 11; [L41] const SORT_4 var_29 = 3; [L42] const SORT_8 var_30 = 1; [L43] const SORT_8 var_37 = 5; [L45] SORT_1 input_2; [L46] SORT_1 input_3; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L48] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L49] SORT_4 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L50] SORT_4 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L51] SORT_4 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_4 init_7_arg_1 = var_5; [L54] state_6 = init_7_arg_1 [L55] SORT_4 init_21_arg_1 = var_19; [L56] state_20 = init_21_arg_1 [L57] SORT_4 init_24_arg_1 = var_22; [L58] state_23 = init_24_arg_1 [L59] SORT_4 init_28_arg_1 = var_26; [L60] state_27 = init_28_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, mask_SORT_8=15, state_20=5, state_23=7, state_27=11, state_6=1, var_15=1, var_19=5, var_22=7, var_29=3, var_30=1, var_37=5, var_9=2] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L67] SORT_8 var_10_arg_0 = var_9; [L68] EXPR var_10_arg_0 & mask_SORT_8 [L68] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L69] SORT_4 var_10 = var_10_arg_0; [L70] SORT_4 var_11_arg_0 = state_6; [L71] SORT_4 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_1 var_12_arg_0 = var_11; [L74] SORT_1 var_12 = ~var_12_arg_0; [L75] SORT_1 var_16_arg_0 = var_12; [L76] SORT_1 var_16 = ~var_16_arg_0; [L77] SORT_1 var_17_arg_0 = var_15; [L78] SORT_1 var_17_arg_1 = var_16; [L79] EXPR var_17_arg_0 & var_17_arg_1 [L79] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L80] EXPR var_17 & mask_SORT_1 [L80] var_17 = var_17 & mask_SORT_1 [L81] SORT_1 bad_18_arg_0 = var_17; [L82] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 66.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.55ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 61.5MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.04ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 59.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.64ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 58.8MB in the beginning and 136.9MB in the end (delta: -78.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * CodeCheck took 653.67ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 112.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 176.2MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:52:56,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/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_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk --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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:58,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:59,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:52:59,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:59,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:59,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:59,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:59,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:59,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:59,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:59,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:59,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:59,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:59,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:59,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:52:59,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:52:59,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:59,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:52:59,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:59,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:59,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:59,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:59,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:59,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:59,119 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:52:59,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:59,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:59,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:59,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:59,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:59,121 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:52:59,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:59,124 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:52:59,124 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_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-11-09 00:52:59,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:59,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:59,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:59,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:59,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:59,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c Unable to find full path for "g++" [2024-11-09 00:53:01,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:53:01,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:53:01,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-11-09 00:53:01,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/f91331035/3f17c8fc632f4479a09eb9a89dbd80b2/FLAG2ef5b976c [2024-11-09 00:53:02,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/data/f91331035/3f17c8fc632f4479a09eb9a89dbd80b2 [2024-11-09 00:53:02,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:53:02,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:53:02,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:02,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:53:02,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:53:02,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6455c89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02, skipping insertion in model container [2024-11-09 00:53:02,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:53:02,544 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-09 00:53:02,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:02,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:53:02,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-09 00:53:02,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:02,745 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:02,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02 WrapperNode [2024-11-09 00:53:02,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:02,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:02,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:02,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:02,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,804 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-09 00:53:02,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:02,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:02,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:02,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:02,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:02,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:02,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:02,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:02,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:02" (1/1) ... [2024-11-09 00:53:02,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:02,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:02,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:53:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:03,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:03,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:03,374 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:53:03,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:03,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:53:03,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:53:03,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:03 BoogieIcfgContainer [2024-11-09 00:53:03,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:53:03,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:53:03,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:53:03,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:53:03,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:03" (1/1) ... [2024-11-09 00:53:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:53:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:53:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:53:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:53:03,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:03,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:03,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:53:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:03,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:03,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:53:03,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:04,031 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:53:04,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:53:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:53:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:53:04,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:04,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:04,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:04,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:04,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:53:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:04,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:04,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:53:04,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:04,954 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:53:04,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-09 00:53:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-09 00:53:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:53:05,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:05,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:05,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:05,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:05,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:53:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:05,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:05,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:53:05,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:06,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:53:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2024-11-09 00:53:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2024-11-09 00:53:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:08,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:08,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:08,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:08,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:53:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:08,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:08,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:53:08,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:09,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:53:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2024-11-09 00:53:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2024-11-09 00:53:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:53:13,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:13,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:13,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:13,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:53:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:13,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:13,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:53:13,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:53:14,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:53:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2024-11-09 00:53:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2024-11-09 00:53:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:53:14,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:14,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:53:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:15,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:15,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:53:15,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:17,355 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:53:17,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:53:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 109 transitions. [2024-11-09 00:53:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 109 transitions. [2024-11-09 00:53:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:53:26,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:26,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:26,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:53:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:27,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:27,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:27,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:29,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 137 transitions. [2024-11-09 00:53:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2024-11-09 00:53:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:53:37,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:37,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:37,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:53:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:37,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:37,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:37,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:38,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 140 transitions. [2024-11-09 00:53:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 140 transitions. [2024-11-09 00:53:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:53:40,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:40,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:40,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:40,986 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:40,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:53:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:41,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:41,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:41,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:42,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 59 states and 141 transitions. [2024-11-09 00:53:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 141 transitions. [2024-11-09 00:53:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:53:43,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:43,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:43,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:43,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:43,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:53:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:43,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:43,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:43,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:44,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:53:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 60 states and 142 transitions. [2024-11-09 00:53:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 142 transitions. [2024-11-09 00:53:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:53:45,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:45,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:45,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:45,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:53:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:45,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:45,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:53:45,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 00:53:46,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:53:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 61 states and 143 transitions. [2024-11-09 00:53:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 143 transitions. [2024-11-09 00:53:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:53:47,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:47,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:47,478 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:47,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:53:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:47,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:47,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:53:47,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:50,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 71 states and 194 transitions. [2024-11-09 00:54:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 194 transitions. [2024-11-09 00:54:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:54:02,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:02,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:02,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:02,594 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:02,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:54:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:03,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:03,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:54:03,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:04,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:54:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 74 states and 197 transitions. [2024-11-09 00:54:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 197 transitions. [2024-11-09 00:54:06,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:54:06,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:06,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:06,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:06,902 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:06,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:54:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:07,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:07,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:54:07,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:09,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 75 states and 197 transitions. [2024-11-09 00:54:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 197 transitions. [2024-11-09 00:54:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:54:09,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:09,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:09,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:09,990 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:09,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:54:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:10,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:10,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:54:10,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:14,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 84 states and 239 transitions. [2024-11-09 00:54:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 239 transitions. [2024-11-09 00:54:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:54:28,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:28,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:28,927 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:28,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:54:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:29,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:29,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:54:29,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:30,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:54:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 87 states and 246 transitions. [2024-11-09 00:54:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 246 transitions. [2024-11-09 00:54:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:54:34,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:34,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:34,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:34,318 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:34,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:54:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:34,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:34,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:54:34,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:35,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 88 states and 248 transitions. [2024-11-09 00:54:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 248 transitions. [2024-11-09 00:54:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:54:37,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:37,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:37,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:37,026 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:37,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:54:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:37,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:37,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:54:37,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:38,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:54:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 89 states and 251 transitions. [2024-11-09 00:54:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 251 transitions. [2024-11-09 00:54:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:54:40,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:40,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:40,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:40,225 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:40,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:54:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:40,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:41,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:54:41,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 00:54:42,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 95 states and 274 transitions. [2024-11-09 00:54:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 274 transitions. [2024-11-09 00:54:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:54:49,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:49,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:49,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:49,714 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:49,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:54:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:50,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:50,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:54:50,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 00:54:51,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 96 states and 275 transitions. [2024-11-09 00:54:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 275 transitions. [2024-11-09 00:54:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:54:52,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:52,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:52,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:52,564 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:52,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:54:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:53,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:53,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:54:53,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:57,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 106 states and 339 transitions. [2024-11-09 00:55:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 339 transitions. [2024-11-09 00:55:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:55:16,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:16,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:16,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:16,113 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:16,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:55:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:16,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:16,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:55:16,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:19,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 110 states and 348 transitions. [2024-11-09 00:55:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 348 transitions. [2024-11-09 00:55:24,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:55:24,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:24,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:24,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:24,685 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:24,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:55:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:25,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:25,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:55:25,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 116 states and 368 transitions. [2024-11-09 00:55:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 368 transitions. [2024-11-09 00:55:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:55:35,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:35,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:35,832 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:35,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:55:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:36,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:36,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:55:36,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:39,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:55:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 120 states and 381 transitions. [2024-11-09 00:55:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 381 transitions. [2024-11-09 00:55:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:55:44,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:44,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:44,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:44,335 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:44,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:55:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:45,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:45,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:55:45,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:47,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 121 states and 381 transitions. [2024-11-09 00:55:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 381 transitions. [2024-11-09 00:55:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:55:49,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:49,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:49,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:49,186 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:55:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:55:50,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:54,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:56:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 133 states and 427 transitions. [2024-11-09 00:56:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 427 transitions. [2024-11-09 00:56:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:56:18,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:18,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:18,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:18,990 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:18,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:56:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:19,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:20,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:56:20,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:21,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 137 states and 434 transitions. [2024-11-09 00:56:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 434 transitions. [2024-11-09 00:56:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:56:28,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:28,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:28,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:28,434 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:28,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:56:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:29,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:29,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:56:29,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:31,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:56:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 139 states and 436 transitions. [2024-11-09 00:56:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 436 transitions. [2024-11-09 00:56:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:56:34,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:34,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:34,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:34,248 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:34,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:56:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:35,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:35,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:56:35,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:37,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 00:56:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 145 states and 456 transitions. [2024-11-09 00:56:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 456 transitions. [2024-11-09 00:56:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:56:49,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:49,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:49,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:49,569 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:49,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:56:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:50,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:50,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:56:50,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:52,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:56:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 146 states and 456 transitions. [2024-11-09 00:56:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 456 transitions. [2024-11-09 00:56:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:56:54,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:54,129 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:54,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:56:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:55,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:55,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 00:56:55,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-09 00:56:57,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:57:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 149 states and 464 transitions. [2024-11-09 00:57:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 464 transitions. [2024-11-09 00:57:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:57:03,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:03,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:03,382 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:57:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:04,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:04,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:57:04,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:10,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:57:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 155 states and 497 transitions. [2024-11-09 00:57:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 497 transitions. [2024-11-09 00:57:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:57:29,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:29,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:29,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:29,026 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:29,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:57:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:30,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:30,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:57:30,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:33,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-09 00:58:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 170 states and 547 transitions. [2024-11-09 00:58:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 547 transitions. [2024-11-09 00:58:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:58:02,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:02,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:02,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:02,350 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:02,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:58:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:03,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:03,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:58:03,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:07,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-09 00:58:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 174 states and 561 transitions. [2024-11-09 00:58:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 561 transitions. [2024-11-09 00:58:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:58:15,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:15,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:15,957 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:15,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:58:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:20,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-09 00:58:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 179 states and 569 transitions. [2024-11-09 00:58:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 569 transitions. [2024-11-09 00:58:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:58:31,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:31,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:31,077 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:31,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:58:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:58:32,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:36,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-09 00:58:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 182 states and 582 transitions. [2024-11-09 00:58:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 582 transitions. [2024-11-09 00:58:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:58:43,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:43,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:43,780 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:58:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:58:45,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:48,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 183 states and 582 transitions. [2024-11-09 00:58:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 582 transitions. [2024-11-09 00:58:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:58:51,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:51,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:51,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:51,059 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:58:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:58:52,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:56,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 184 states and 582 transitions. [2024-11-09 00:58:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 582 transitions. [2024-11-09 00:58:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:58:57,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:57,956 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:58:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 00:58:59,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:04,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 190 states and 603 transitions. [2024-11-09 00:59:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 603 transitions. [2024-11-09 00:59:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:59:20,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:20,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:20,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:20,277 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:20,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:59:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 00:59:21,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:23,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 199 states and 631 transitions. [2024-11-09 00:59:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 631 transitions. [2024-11-09 00:59:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:59:43,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:43,452 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:43,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:59:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:44,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 00:59:45,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:46,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 207 states and 643 transitions. [2024-11-09 01:00:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 643 transitions. [2024-11-09 01:00:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 01:00:04,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:04,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:04,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:04,775 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:04,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 01:00:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 01:00:06,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:08,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 211 states and 655 transitions. [2024-11-09 01:00:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 655 transitions. [2024-11-09 01:00:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 01:00:16,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:16,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:16,787 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:16,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 01:00:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 01:00:18,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:20,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-09 01:00:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 213 states and 657 transitions. [2024-11-09 01:00:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 657 transitions. [2024-11-09 01:00:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:00:24,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:24,698 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:24,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 01:00:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:00:26,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:00:28,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 216 states and 661 transitions. [2024-11-09 01:00:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 661 transitions. [2024-11-09 01:00:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:00:34,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:34,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:34,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:34,039 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 01:00:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:00:35,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:00:38,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 217 states and 666 transitions. [2024-11-09 01:00:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 666 transitions. [2024-11-09 01:00:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:00:40,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:40,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:40,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:40,793 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:40,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 01:00:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:00:42,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:00:44,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-09 01:00:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 222 states and 682 transitions. [2024-11-09 01:00:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 682 transitions. [2024-11-09 01:00:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:00:54,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:54,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:54,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:54,532 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 01:00:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:56,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:56,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:00:56,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:00:58,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 223 states and 683 transitions. [2024-11-09 01:01:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 683 transitions. [2024-11-09 01:01:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:01:01,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:01,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:01,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:01,061 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:01,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 01:01:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:02,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:03,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:01:03,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:01:05,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-09 01:01:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 225 states and 695 transitions. [2024-11-09 01:01:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 695 transitions. [2024-11-09 01:01:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 01:01:09,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:09,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:09,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:09,505 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:09,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 01:01:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:11,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:11,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 01:01:11,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 01:01:13,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 226 states and 696 transitions. [2024-11-09 01:01:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 696 transitions. [2024-11-09 01:01:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 01:01:16,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:16,891 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:16,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 01:01:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:18,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:18,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 01:01:18,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:26,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 242 states and 792 transitions. [2024-11-09 01:02:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 792 transitions. [2024-11-09 01:02:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 01:02:10,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:10,884 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:10,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 01:02:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:12,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:13,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 01:02:13,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:16,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 254 states and 828 transitions. [2024-11-09 01:02:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 828 transitions. [2024-11-09 01:02:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 01:02:42,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:42,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:42,841 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:42,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 01:02:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:44,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:45,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 01:02:45,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:49,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-09 01:03:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 260 states and 844 transitions. [2024-11-09 01:03:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 844 transitions. [2024-11-09 01:03:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 01:03:07,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:07,600 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:07,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 01:03:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:09,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:09,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 01:03:09,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:14,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-09 01:03:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 266 states and 852 transitions. [2024-11-09 01:03:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 852 transitions. [2024-11-09 01:03:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 01:03:30,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:30,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:30,883 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 01:03:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:33,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:33,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 01:03:33,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:36,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-09 01:03:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 267 states and 852 transitions. [2024-11-09 01:03:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 852 transitions. [2024-11-09 01:03:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:03:39,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:39,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:39,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:39,546 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 01:03:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:41,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:41,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:03:41,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:47,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 280 states and 944 transitions. [2024-11-09 01:04:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 944 transitions. [2024-11-09 01:04:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:04:31,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:31,774 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:31,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 01:04:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:33,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:34,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:04:34,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:36,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 287 states and 965 transitions. [2024-11-09 01:04:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 965 transitions. [2024-11-09 01:04:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:04:57,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:57,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:57,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:57,507 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:57,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 01:04:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:59,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:59,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:04:59,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:02,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-09 01:05:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 293 states and 975 transitions. [2024-11-09 01:05:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 975 transitions. [2024-11-09 01:05:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:05:18,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:18,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:18,588 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:18,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 01:05:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:20,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:21,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:05:21,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:23,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-09 01:05:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 295 states and 977 transitions. [2024-11-09 01:05:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 977 transitions. [2024-11-09 01:05:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:05:28,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:28,877 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 01:05:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:31,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:31,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:05:31,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:34,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 01:05:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 298 states and 980 transitions. [2024-11-09 01:05:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 980 transitions. [2024-11-09 01:05:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:05:43,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:43,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:43,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:43,679 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:43,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 01:05:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:46,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:46,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 01:05:46,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:48,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-09 01:05:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 299 states and 983 transitions. [2024-11-09 01:05:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 983 transitions. [2024-11-09 01:05:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:05:52,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:52,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:52,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:52,851 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:52,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 01:05:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:55,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:55,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:05:55,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:05:57,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-09 01:06:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 300 states and 984 transitions. [2024-11-09 01:06:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 984 transitions. [2024-11-09 01:06:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:06:00,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:00,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:00,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:00,455 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 01:06:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:03,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:03,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:06:03,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:06:05,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-09 01:06:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 305 states and 1002 transitions. [2024-11-09 01:06:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1002 transitions. [2024-11-09 01:06:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:06:19,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:19,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:19,244 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:19,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 01:06:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:21,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:21,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:06:21,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:06:24,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-09 01:06:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 306 states and 1003 transitions. [2024-11-09 01:06:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1003 transitions. [2024-11-09 01:06:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:06:28,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:28,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:28,078 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:28,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 01:06:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:30,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:30,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:06:30,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:06:33,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-09 01:06:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 309 states and 1016 transitions. [2024-11-09 01:06:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1016 transitions. [2024-11-09 01:06:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:06:41,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:41,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:41,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:41,377 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:41,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 01:06:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:44,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:44,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:06:44,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:06:46,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-09 01:06:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 310 states and 1020 transitions. [2024-11-09 01:06:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1020 transitions. [2024-11-09 01:06:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:06:49,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:49,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:49,692 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:49,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 01:06:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:52,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:52,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 01:06:52,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-09 01:06:54,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-09 01:07:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:07:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 313 states and 1027 transitions. [2024-11-09 01:07:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1027 transitions. [2024-11-09 01:07:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:07:02,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:07:02,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:07:02,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:07:02,420 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:07:02,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21002fdd-2baf-4cee-8c3d-79a71b41758a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process