./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9 --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 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:03:36,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:03:36,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:03:36,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:03:36,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:03:36,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:03:36,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:03:36,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:03:36,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:03:36,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:03:36,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:03:36,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:03:36,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:03:36,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:03:36,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:03:36,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:03:36,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:03:36,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:03:36,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:03:36,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:03:36,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:03:36,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:03:36,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:03:36,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:03:36,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:03:36,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:03:36,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:36,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:03:36,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:03:36,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:03:36,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:03:36,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:03:36,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:03:36,471 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_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-12-02 22:03:36,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:03:36,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:03:36,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:03:36,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:03:36,719 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:03:36,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-12-02 22:03:39,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:03:39,840 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:03:39,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-12-02 22:03:39,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/d648a67e3/bf1bbc5606a04b86af53022578d874d0/FLAGb00e875db [2023-12-02 22:03:39,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/d648a67e3/bf1bbc5606a04b86af53022578d874d0 [2023-12-02 22:03:39,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:03:39,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:03:39,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:39,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:03:39,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:03:39,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:39" (1/1) ... [2023-12-02 22:03:39,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64568365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:39, skipping insertion in model container [2023-12-02 22:03:39,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:03:39" (1/1) ... [2023-12-02 22:03:39,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:03:40,439 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-12-02 22:03:40,641 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-12-02 22:03:40,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:40,656 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:03:40,689 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-12-02 22:03:40,818 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-12-02 22:03:40,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:03:40,868 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:03:40,874 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:03:40,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40 WrapperNode [2023-12-02 22:03:40,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:03:40,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:40,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:03:40,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:03:40,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:40,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,004 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3187 [2023-12-02 22:03:41,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:03:41,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:03:41,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:03:41,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:03:41,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:03:41,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:03:41,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:03:41,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:03:41,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:03:40" (1/1) ... [2023-12-02 22:03:41,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:03:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:03:41,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:03:41,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:03:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:03:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:03:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:03:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:03:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:03:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:03:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:03:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:03:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:03:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:03:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:03:41,371 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:03:41,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:03:43,716 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:03:45,472 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:03:45,472 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 22:03:45,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:45 BoogieIcfgContainer [2023-12-02 22:03:45,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:03:45,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:03:45,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:03:45,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:03:45,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:45" (1/1) ... [2023-12-02 22:03:45,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:03:45,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-12-02 22:03:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-12-02 22:03:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:03:45,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:45,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-12-02 22:03:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-12-02 22:03:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:03:45,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1108 states and 2170 transitions. [2023-12-02 22:03:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2170 transitions. [2023-12-02 22:03:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:03:45,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:45,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:46,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:46,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-12-02 22:03:46,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-12-02 22:03:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:03:46,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:46,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:46,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:56,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1108 states and 2160 transitions. [2023-12-02 22:03:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2160 transitions. [2023-12-02 22:03:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:03:56,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:56,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:56,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1108 states and 2154 transitions. [2023-12-02 22:03:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2154 transitions. [2023-12-02 22:03:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:03:56,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:56,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:56,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:06,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1108 states and 2146 transitions. [2023-12-02 22:04:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2146 transitions. [2023-12-02 22:04:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:06,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:07,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:07,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:17,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:27,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:37,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:47,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1121 states and 2161 transitions. [2023-12-02 22:04:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2161 transitions. [2023-12-02 22:04:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:04:47,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:47,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:47,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1121 states and 2159 transitions. [2023-12-02 22:04:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2159 transitions. [2023-12-02 22:04:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 22:04:47,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:47,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:48,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:58,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1121 states and 2157 transitions. [2023-12-02 22:04:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2157 transitions. [2023-12-02 22:04:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:04:58,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:58,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:58,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:05:08,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:18,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:28,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:38,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1124 states and 2159 transitions. [2023-12-02 22:05:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2159 transitions. [2023-12-02 22:05:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 22:05:38,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:05:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:38,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:05:38,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:05:49,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:59,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:09,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:19,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:30,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:40,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:50,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:00,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1170 states and 2218 transitions. [2023-12-02 22:07:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2218 transitions. [2023-12-02 22:07:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:07:00,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:00,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:07:00,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:07:10,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1170 states and 2216 transitions. [2023-12-02 22:07:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2216 transitions. [2023-12-02 22:07:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:07:10,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:11,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:07:11,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:07:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1170 states and 2212 transitions. [2023-12-02 22:07:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2212 transitions. [2023-12-02 22:07:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:07:11,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:11,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:11,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:11,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:07:21,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:31,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:41,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:51,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1173 states and 2214 transitions. [2023-12-02 22:07:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2214 transitions. [2023-12-02 22:07:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:07:51,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:51,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:07:51,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:07:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1173 states and 2212 transitions. [2023-12-02 22:07:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2212 transitions. [2023-12-02 22:07:51,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:07:51,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:51,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:52,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:52,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:02,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:12,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:22,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:32,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1156 states and 2191 transitions. [2023-12-02 22:08:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2191 transitions. [2023-12-02 22:08:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:08:32,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:32,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:40,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:08:40,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1158 states and 2192 transitions. [2023-12-02 22:08:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2192 transitions. [2023-12-02 22:08:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:08:41,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:08:51,349 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:08:51,353 INFO L158 Benchmark]: Toolchain (without parser) took 311471.05ms. Allocated memory was 172.0MB in the beginning and 396.4MB in the end (delta: 224.4MB). Free memory was 125.8MB in the beginning and 147.3MB in the end (delta: -21.5MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,353 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:51,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.18ms. Allocated memory was 172.0MB in the beginning and 247.5MB in the end (delta: 75.5MB). Free memory was 125.8MB in the beginning and 204.8MB in the end (delta: -79.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.60ms. Allocated memory is still 247.5MB. Free memory was 204.8MB in the beginning and 189.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,355 INFO L158 Benchmark]: Boogie Preprocessor took 134.67ms. Allocated memory is still 247.5MB. Free memory was 189.1MB in the beginning and 174.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,355 INFO L158 Benchmark]: RCFGBuilder took 4333.97ms. Allocated memory was 247.5MB in the beginning and 329.3MB in the end (delta: 81.8MB). Free memory was 174.5MB in the beginning and 182.4MB in the end (delta: -7.9MB). Peak memory consumption was 161.0MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,356 INFO L158 Benchmark]: CodeCheck took 305876.33ms. Allocated memory was 329.3MB in the beginning and 396.4MB in the end (delta: 67.1MB). Free memory was 182.4MB in the beginning and 147.3MB in the end (delta: 35.1MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2023-12-02 22:08:51,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.18ms. Allocated memory was 172.0MB in the beginning and 247.5MB in the end (delta: 75.5MB). Free memory was 125.8MB in the beginning and 204.8MB in the end (delta: -79.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.60ms. Allocated memory is still 247.5MB. Free memory was 204.8MB in the beginning and 189.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.67ms. Allocated memory is still 247.5MB. Free memory was 189.1MB in the beginning and 174.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4333.97ms. Allocated memory was 247.5MB in the beginning and 329.3MB in the end (delta: 81.8MB). Free memory was 174.5MB in the beginning and 182.4MB in the end (delta: -7.9MB). Peak memory consumption was 161.0MB. Max. memory is 16.1GB. * CodeCheck took 305876.33ms. Allocated memory was 329.3MB in the beginning and 396.4MB in the end (delta: 67.1MB). Free memory was 182.4MB in the beginning and 147.3MB in the end (delta: 35.1MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:08:51,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9 --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 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:53,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:53,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:08:53,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:53,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:08:53,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:08:53,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:53,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:53,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:53,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:53,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:08:53,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:08:53,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:53,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:53,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:53,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:53,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:08:53,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:08:53,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:08:53,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:08:53,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:53,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:53,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:53,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:53,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:53,328 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:53,328 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:53,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:53,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:53,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:53,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:53,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:08:53,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:08:53,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:53,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:08:53,331 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:08:53,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:53,332 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-12-02 22:08:53,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:53,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:53,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:53,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:53,660 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:53,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-12-02 22:08:56,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:56,799 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:56,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-12-02 22:08:56,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/a007fe4ae/4b3c7d5b7a9c4d97a7bb237e42119541/FLAG7c28ebbe9 [2023-12-02 22:08:56,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/data/a007fe4ae/4b3c7d5b7a9c4d97a7bb237e42119541 [2023-12-02 22:08:56,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:56,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:56,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:56,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:56,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:56,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:56" (1/1) ... [2023-12-02 22:08:56,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e97938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:56, skipping insertion in model container [2023-12-02 22:08:56,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:56" (1/1) ... [2023-12-02 22:08:56,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:57,433 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-12-02 22:08:57,647 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-12-02 22:08:57,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:57,668 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:08:57,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:57,713 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-12-02 22:08:57,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-12-02 22:08:57,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:57,840 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:57,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-12-02 22:08:57,943 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-12-02 22:08:57,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:57,977 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:57,984 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:57,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57 WrapperNode [2023-12-02 22:08:57,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:57,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:57,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:57,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:57,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,127 INFO L138 Inliner]: procedures = 180, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2867 [2023-12-02 22:08:58,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:58,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:58,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:58,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:58,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:58,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:58,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:58,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:58,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:57" (1/1) ... [2023-12-02 22:08:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:58,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:58,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:58,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:08:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:08:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:08:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:08:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:08:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:08:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:08:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:08:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:08:58,345 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:08:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:08:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:08:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:08:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:08:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:58,514 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:58,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:09:15,887 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:09:16,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:09:16,364 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 22:09:16,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:16 BoogieIcfgContainer [2023-12-02 22:09:16,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:09:16,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:09:16,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:09:16,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:09:16,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:16" (1/1) ... [2023-12-02 22:09:16,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:09:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-12-02 22:09:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-12-02 22:09:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:09:16,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:16,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:16,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:09:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:16,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:16,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:16,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:16,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:09:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-12-02 22:09:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-12-02 22:09:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:09:16,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:16,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:16,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:16,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:16,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:09:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:17,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:17,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:17,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:17,157 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:09:17,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:09:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1106 states and 2167 transitions. [2023-12-02 22:09:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2167 transitions. [2023-12-02 22:09:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:09:17,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:17,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:17,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:17,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:09:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:17,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:17,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:17,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:17,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:09:17,894 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:09:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1106 states and 2165 transitions. [2023-12-02 22:09:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2165 transitions. [2023-12-02 22:09:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:09:17,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:17,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:17,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:17,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:17,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:09:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:18,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:18,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:18,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:18,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:09:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1106 states and 2163 transitions. [2023-12-02 22:09:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2163 transitions. [2023-12-02 22:09:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:09:18,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:18,353 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:18,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:09:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:18,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:18,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:09:18,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:18,871 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:18,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:18,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:18,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 22:09:18,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:09:18,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 22:09:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:18,996 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:09:18,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:09:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-12-02 22:09:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-12-02 22:09:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:09:19,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:19,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:19,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:19,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:19,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:09:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:19,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:19,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:19,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:19,803 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:09:19,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:09:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1108 states and 2164 transitions. [2023-12-02 22:09:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2164 transitions. [2023-12-02 22:09:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:09:19,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:19,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:19,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:19,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:19,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:09:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:20,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:20,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:20,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:20,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:09:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1108 states and 2160 transitions. [2023-12-02 22:09:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2160 transitions. [2023-12-02 22:09:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:09:20,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:20,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:20,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:09:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:20,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:20,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:20,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:20,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:09:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1108 states and 2154 transitions. [2023-12-02 22:09:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2154 transitions. [2023-12-02 22:09:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:09:20,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:20,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:20,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:20,882 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:20,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:09:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:21,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:21,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:21,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:09:22,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1108 states and 2148 transitions. [2023-12-02 22:09:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2148 transitions. [2023-12-02 22:09:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:09:22,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:22,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:22,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:22,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:09:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:23,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:23,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:09:23,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:23,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:09:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1121 states and 2163 transitions. [2023-12-02 22:09:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2163 transitions. [2023-12-02 22:09:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:09:24,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:24,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:24,887 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:24,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:09:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:25,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:25,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:25,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:25,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:09:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1121 states and 2161 transitions. [2023-12-02 22:09:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2161 transitions. [2023-12-02 22:09:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:09:25,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:25,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:25,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:25,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:25,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:09:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:25,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:26,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:26,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:26,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:09:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1121 states and 2159 transitions. [2023-12-02 22:09:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2159 transitions. [2023-12-02 22:09:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 22:09:26,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:26,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:26,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:26,233 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:26,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:09:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:26,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:26,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:26,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:26,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:09:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1121 states and 2157 transitions. [2023-12-02 22:09:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2157 transitions. [2023-12-02 22:09:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:09:26,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:26,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:26,976 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:09:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:27,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:27,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:09:27,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:09:27,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:09:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1124 states and 2159 transitions. [2023-12-02 22:09:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2159 transitions. [2023-12-02 22:09:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 22:09:28,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:28,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:28,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:28,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:28,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:09:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:28,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:29,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:09:29,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:09:29,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:09:40,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:50,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:00,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:10,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:13,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1170 states and 2218 transitions. [2023-12-02 22:10:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2218 transitions. [2023-12-02 22:10:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:10:14,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:14,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:14,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:14,853 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:10:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:15,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:15,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:10:15,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:10:15,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:10:15,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1170 states and 2214 transitions. [2023-12-02 22:10:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2214 transitions. [2023-12-02 22:10:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:10:15,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:15,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:15,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:15,873 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:15,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:10:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:16,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:16,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:10:16,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:10:16,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:10:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1170 states and 2212 transitions. [2023-12-02 22:10:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2212 transitions. [2023-12-02 22:10:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:10:17,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:17,014 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:17,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:10:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:17,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:18,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:18,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:10:18,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:10:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1173 states and 2214 transitions. [2023-12-02 22:10:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2214 transitions. [2023-12-02 22:10:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:10:18,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:18,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:18,432 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:18,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:10:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:19,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:19,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:10:19,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:10:19,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:10:29,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1173 states and 2212 transitions. [2023-12-02 22:10:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2212 transitions. [2023-12-02 22:10:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:10:29,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:29,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:29,677 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:29,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:10:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:30,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:30,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:30,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:10:31,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:10:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1156 states and 2191 transitions. [2023-12-02 22:10:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2191 transitions. [2023-12-02 22:10:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:31,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:31,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:31,052 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:31,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:10:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:31,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:32,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:32,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:32,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:10:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:32,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:32,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:32,753 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:32,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:10:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:33,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:34,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:34,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:34,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:34,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:34,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:34,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:34,073 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:10:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:35,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:35,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:35,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:35,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:10:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:35,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:35,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:35,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:35,409 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:35,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:10:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:36,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:36,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:36,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:36,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:10:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:36,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:36,835 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:36,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:10:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:37,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:38,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:38,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:38,279 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:10:38,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:10:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:38,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:38,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:38,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:38,294 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:10:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:39,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:39,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:39,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:39,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:10:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:39,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:39,601 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:39,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:10:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:40,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:41,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:41,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:41,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:41,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:41,156 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:41,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:10:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:42,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:42,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:42,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:42,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:10:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:42,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:42,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:42,651 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:42,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:10:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:43,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:44,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:44,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:44,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:10:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:44,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:44,225 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:44,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:10:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:45,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:45,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:45,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:45,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:10:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:45,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:45,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:45,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:45,789 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:45,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:10:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:47,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:47,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:47,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:47,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:10:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:47,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:47,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:47,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:47,424 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:47,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:10:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:48,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:49,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:49,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:49,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:49,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:49,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:49,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:49,241 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:49,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:10:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:50,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:50,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:50,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:51,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:10:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:51,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:51,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:51,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:51,035 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:51,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:10:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:52,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:52,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:52,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:52,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:10:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:52,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:52,907 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:52,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:10:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:54,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:54,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:54,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:54,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:10:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:54,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:54,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:54,716 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:54,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:10:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:56,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:56,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:56,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:56,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:10:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:56,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:56,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:56,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:56,761 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:56,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:10:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:58,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:58,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:58,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:10:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:10:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:10:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:58,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:58,645 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:58,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:11:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:00,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:00,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:00,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:00,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:11:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:00,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:00,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:00,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:00,437 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:11:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:01,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:02,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:02,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:02,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:11:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:02,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:02,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:02,212 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:02,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:11:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:03,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:04,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:04,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:04,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:11:04,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:04,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:04,080 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:04,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:11:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:05,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:05,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:05,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:05,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:11:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:05,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:05,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:05,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:05,827 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:11:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:07,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:08,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:08,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:08,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:11:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:08,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:08,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:08,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:08,192 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:08,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:11:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:09,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:10,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:10,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:10,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:11:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:10,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:10,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:10,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:10,233 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:11:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:12,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:12,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:12,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:12,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:11:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:12,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:12,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:12,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:12,393 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:12,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:11:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:14,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:14,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:14,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:14,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:11:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:14,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:14,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:14,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:14,634 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:14,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:11:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:16,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:16,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:11:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:17,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:17,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:17,002 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:17,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:11:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:18,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:19,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:19,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:19,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:11:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:19,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:19,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:19,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:19,361 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:11:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:21,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:21,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:21,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:21,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:11:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:21,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:21,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:21,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:21,800 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:21,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:11:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:23,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:24,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:24,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:24,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:11:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:24,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:24,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:24,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:24,283 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:11:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:26,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:26,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:26,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:26,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:11:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:26,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:26,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:26,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:26,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:26,805 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:26,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:11:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:28,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:29,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:29,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:29,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:11:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:29,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:29,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:29,171 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:29,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:11:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:31,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:31,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:31,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:31,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:11:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:31,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:31,653 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:31,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:11:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:33,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:34,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:34,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:34,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:11:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:34,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:34,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:34,401 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:34,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:11:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:36,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:37,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:37,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:37,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:11:37,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:37,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:37,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:37,052 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:37,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:11:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:39,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:39,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:39,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:39,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:11:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:39,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:39,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:39,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:39,657 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:39,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:11:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:42,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:42,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:42,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:42,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:11:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:42,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:42,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:42,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:42,449 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:11:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:44,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:45,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:45,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:45,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:11:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:45,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:45,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:45,140 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:45,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:11:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:47,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:47,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:47,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:47,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:11:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:47,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:47,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:47,785 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:11:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:50,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:50,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:11:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:50,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:50,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:50,793 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:50,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:11:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:53,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:53,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:53,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:53,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 22:11:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:53,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:53,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:53,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:53,759 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:11:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:56,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:56,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:56,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:56,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:11:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:56,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:56,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:56,703 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:56,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:11:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:59,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:59,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:11:59,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:11:59,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:11:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:11:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:11:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:11:59,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:59,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:59,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:59,741 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:59,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:12:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:02,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:02,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:02,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:02,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:12:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:02,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:02,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:02,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:02,940 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:02,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:12:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:05,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:06,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:06,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:06,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:12:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:06,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:06,077 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:12:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:08,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:09,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:09,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:09,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:12:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:09,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:09,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:09,414 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:09,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:12:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:12,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:12,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:12,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:12,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:12:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:12,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:12,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:12,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:12,613 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:12,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:12:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:15,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:15,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:15,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:15,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:12:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:15,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:15,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:15,861 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:15,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:12:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:18,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:19,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:19,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:19,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:12:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:19,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:19,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:19,159 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:19,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:12:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:21,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:22,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:12:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:22,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:22,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:22,342 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:12:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:25,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:25,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:25,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:25,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 22:12:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:25,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:25,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:25,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:25,524 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:25,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:12:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:28,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:28,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:28,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:28,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:12:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:28,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:28,890 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:12:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:31,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:32,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:32,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:32,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:12:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:32,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:32,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:32,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:32,276 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:32,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:12:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:35,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:35,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:35,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:35,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:12:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:35,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:35,463 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:12:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:38,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:39,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:12:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:39,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:39,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:39,033 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:39,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:12:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:42,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:42,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:12:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:42,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:42,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:42,588 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:12:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:45,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:46,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:46,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:46,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:12:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:46,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:46,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:46,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:46,165 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:12:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:49,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:49,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:49,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:49,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:12:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:49,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:49,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:49,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:49,976 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:49,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:12:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:53,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:53,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:53,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:53,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:12:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:53,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:53,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:53,657 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:53,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:12:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:56,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:57,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:12:57,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:12:57,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:12:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:57,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:12:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:12:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:12:57,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:57,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:57,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:57,308 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:57,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:13:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:00,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:00,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:00,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:00,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:00,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:13:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:00,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:00,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:00,745 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:00,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:13:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:04,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:04,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:04,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:04,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:13:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:04,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:04,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:04,475 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:04,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:13:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:07,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:08,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:08,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:08,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:13:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:08,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:08,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:08,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:08,342 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:08,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:13:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:11,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:11,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:11,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:11,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:13:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:12,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:12,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:12,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:12,002 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:12,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:13:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:15,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:15,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:15,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:15,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 22:13:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:15,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:15,830 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:13:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:19,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:19,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:19,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:19,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:13:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:19,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:19,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:19,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:19,874 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:19,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:13:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:23,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:23,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:23,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:23,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 22:13:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:23,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:23,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:23,975 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:23,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:13:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:27,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:28,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:28,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:28,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 22:13:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:28,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:28,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:28,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:28,099 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:28,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:13:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:31,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:32,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:32,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:32,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:13:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:32,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:32,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:32,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:32,133 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:32,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:13:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:35,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:36,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:36,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:36,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:13:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:36,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:36,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:36,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:36,379 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:36,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:13:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:39,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:40,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:40,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:40,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 22:13:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:40,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:40,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:40,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:40,238 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:40,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:13:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:43,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:44,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:44,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:44,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:13:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:44,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:44,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:44,275 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:44,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:13:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:47,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:48,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:48,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:48,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 22:13:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:48,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:48,254 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:48,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:13:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:51,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:51,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:51,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:51,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:13:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:52,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:52,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:52,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:52,005 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:13:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:55,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:56,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:13:56,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:56,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 22:13:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:13:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:13:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:13:56,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:56,222 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:56,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:14:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:00,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:00,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:00,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:00,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 22:14:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:00,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:00,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:00,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:00,617 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:00,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:14:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:04,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:05,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:05,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:05,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:14:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:05,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:05,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:05,160 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:05,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:14:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:09,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:09,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:09,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:09,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:14:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:09,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:09,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:09,529 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:09,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:14:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:13,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:13,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:13,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:13,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:14:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:13,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:13,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:13,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:13,957 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:13,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:14:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:18,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:18,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:18,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:18,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 22:14:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:18,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:18,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:18,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:18,465 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:18,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:14:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:22,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:22,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:22,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:22,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:14:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:22,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:22,959 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:22,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:14:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:27,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:27,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:27,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:27,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:14:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:27,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:27,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:27,515 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:27,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:14:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:31,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:32,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:32,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:32,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:14:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:32,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:32,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:32,358 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:32,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:14:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:36,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:36,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:36,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:36,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:36,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 22:14:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:36,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:36,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:36,939 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:36,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:14:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:41,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:41,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:41,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:41,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2023-12-02 22:14:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:41,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:41,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:41,875 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:14:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:45,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:46,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:46,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:46,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:14:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:46,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:46,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:46,336 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:46,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:14:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:50,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:51,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:51,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:51,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:14:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:51,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:51,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:51,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:51,252 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:51,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:14:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:55,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:55,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:14:55,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:56,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 22:14:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:14:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:14:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:14:56,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:56,039 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:56,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:15:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:00,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:01,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:01,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:01,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:15:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:01,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:01,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:01,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:01,140 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:01,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:15:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:05,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:06,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:06,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:06,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:15:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:06,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:06,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:06,274 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:06,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:15:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:10,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:10,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:10,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:10,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 22:15:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:10,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:10,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:10,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:10,643 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:10,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:15:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:15,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:15,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:15,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:15,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:15:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:15,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:15,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:15,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:15,493 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:15,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:15:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:20,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:20,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:20,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:20,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:20,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 22:15:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:20,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:20,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:20,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:20,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:20,552 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:20,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:15:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:25,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:25,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:25,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:25,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 22:15:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:25,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:25,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:25,461 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:25,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 22:15:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:30,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:30,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:30,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:30,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2023-12-02 22:15:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:30,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:30,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:30,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:30,736 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:30,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 22:15:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:35,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:35,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:35,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:35,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 22:15:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:35,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:35,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:35,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:35,844 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:35,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 22:15:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:40,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:40,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:40,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:40,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2023-12-02 22:15:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:40,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:40,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:40,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:40,848 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:40,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 22:15:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:45,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:46,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:46,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:46,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 22:15:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:46,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:46,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:46,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:46,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:46,082 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:46,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 22:15:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:50,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:51,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:51,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:51,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 22:15:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:51,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:51,193 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:51,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 22:15:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:56,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:56,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:15:56,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:15:56,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 22:15:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:15:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:15:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:15:56,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:56,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:56,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:56,684 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:56,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 22:16:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:01,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:02,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:02,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:02,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 22:16:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:02,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:02,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:02,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:02,314 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:02,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 22:16:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:07,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:07,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:07,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:07,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 22:16:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:07,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:07,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:07,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:07,561 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:07,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 22:16:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:12,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:12,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:12,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:12,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2023-12-02 22:16:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:13,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:13,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:13,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:13,010 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:13,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 22:16:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:18,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:18,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:18,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:18,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 22:16:18,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:18,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:18,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:18,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:18,511 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:18,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 22:16:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:23,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:23,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:23,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:23,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 22:16:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:23,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:23,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:23,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:23,956 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:23,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 22:16:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:29,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:29,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:29,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:29,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 22:16:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:29,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:29,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:29,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:29,593 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:29,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 22:16:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:35,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:35,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:35,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:35,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 22:16:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:35,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:35,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:35,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:35,420 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:35,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 22:16:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:40,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:41,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:41,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:41,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 22:16:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:41,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:41,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:41,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:41,146 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:41,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 22:16:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:46,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:46,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:46,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:46,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 22:16:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:46,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:46,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:46,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:46,661 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:46,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 22:16:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:52,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:52,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:52,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:52,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 22:16:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:52,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:52,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:52,407 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:52,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 22:16:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:57,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:57,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:16:57,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:16:57,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 22:16:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:16:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:16:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:16:57,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:57,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:57,942 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 22:17:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:03,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:17:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:03,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:17:03,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:17:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:17:03,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 22:17:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:17:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:17:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:17:03,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:03,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:03,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:17:03,782 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:17:03,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 22:17:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:09,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:17:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:09,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:17:09,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:17:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:17:09,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 22:17:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:17:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:17:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:17:09,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:09,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:17:09,716 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:17:09,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 22:17:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:15,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:17:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:15,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:17:15,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:17:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:17:15,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 22:17:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:17:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:17:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:17:15,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:15,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:17:15,807 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:17:15,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 22:17:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:21,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:17:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:21,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:17:21,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:17:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:17:21,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 22:17:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1156 states and 2188 transitions. [2023-12-02 22:17:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2188 transitions. [2023-12-02 22:17:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:17:21,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:21,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:17:21,983 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:17:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224d31f3-12ee-4e6a-be2a-de6fbf88b34d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process