./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.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_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/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_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/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_f606e69e-e4fb-493d-a13d-abfca009ce54/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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:50:29,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:50:29,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:50:29,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:50:29,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:50:29,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:50:29,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:50:29,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:50:29,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:50:29,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:50:29,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:50:29,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:50:29,347 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:50:29,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:50:29,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:50:29,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:50:29,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:50:29,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:50:29,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:50:29,351 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:50:29,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:50:29,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:50:29,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:50:29,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:50:29,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:50:29,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:50:29,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:29,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:50:29,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:50:29,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:50:29,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:50:29,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:50:29,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:50:29,359 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_f606e69e-e4fb-493d-a13d-abfca009ce54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2023-12-03 03:50:29,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:50:29,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:50:29,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:50:29,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:50:29,654 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:50:29,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-12-03 03:50:32,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:50:32,842 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:50:32,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-12-03 03:50:32,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/91a2f8ffa/5d55296617f14d9fa26f3423127199f6/FLAG67fe02a0d [2023-12-03 03:50:32,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/91a2f8ffa/5d55296617f14d9fa26f3423127199f6 [2023-12-03 03:50:32,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:50:32,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:50:32,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:32,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:50:32,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:50:32,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:32" (1/1) ... [2023-12-03 03:50:32,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e13cefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:32, skipping insertion in model container [2023-12-03 03:50:32,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:32" (1/1) ... [2023-12-03 03:50:32,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:50:33,321 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2023-12-03 03:50:33,418 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2023-12-03 03:50:33,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:33,444 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:50:33,475 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2023-12-03 03:50:33,527 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2023-12-03 03:50:33,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:33,573 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:50:33,581 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:50:33,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33 WrapperNode [2023-12-03 03:50:33,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:33,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:33,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:50:33,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:50:33,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,696 INFO L138 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-12-03 03:50:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:33,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:50:33,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:50:33,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:50:33,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:50:33,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:50:33,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:50:33,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:50:33,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:33" (1/1) ... [2023-12-03 03:50:33,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:33,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:50:33,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:50:33,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:50:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:50:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 03:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:50:34,074 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:50:34,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:50:35,502 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:50:36,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:50:36,972 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-12-03 03:50:36,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:36 BoogieIcfgContainer [2023-12-03 03:50:36,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:50:36,974 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:50:36,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:50:36,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:50:36,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:36" (1/1) ... [2023-12-03 03:50:36,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:50:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 171 states and 293 transitions. [2023-12-03 03:50:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 293 transitions. [2023-12-03 03:50:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:37,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 03:50:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 03:50:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:37,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:37,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 171 states and 285 transitions. [2023-12-03 03:50:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2023-12-03 03:50:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:37,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 173 states and 284 transitions. [2023-12-03 03:50:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 284 transitions. [2023-12-03 03:50:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:37,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:37,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 173 states and 280 transitions. [2023-12-03 03:50:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 280 transitions. [2023-12-03 03:50:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:50:37,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:37,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 173 states and 274 transitions. [2023-12-03 03:50:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 274 transitions. [2023-12-03 03:50:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:50:37,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:38,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:38,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 173 states and 268 transitions. [2023-12-03 03:50:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 268 transitions. [2023-12-03 03:50:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:50:48,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:50:48,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:58,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:08,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:18,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:28,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2023-12-03 03:51:28,933 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2023-12-03 03:51:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:51:28,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:29,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:51:29,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 186 states and 281 transitions. [2023-12-03 03:51:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2023-12-03 03:51:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:51:29,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:29,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:29,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:51:29,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 186 states and 279 transitions. [2023-12-03 03:51:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 279 transitions. [2023-12-03 03:51:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:51:29,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:29,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:29,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:51:29,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:39,682 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 [] [2023-12-03 03:51:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 186 states and 277 transitions. [2023-12-03 03:51:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 277 transitions. [2023-12-03 03:51:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:51:39,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:39,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:39,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:51:39,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:51:50,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:52:00,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:52:10,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:52:20,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:52:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 189 states and 279 transitions. [2023-12-03 03:52:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 279 transitions. [2023-12-03 03:52:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:52:20,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:20,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:52:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:23,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:52:23,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:24,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:52:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 191 states and 283 transitions. [2023-12-03 03:52:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2023-12-03 03:52:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:52:24,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:52:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:30,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:52:30,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:52:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 193 states and 286 transitions. [2023-12-03 03:52:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 286 transitions. [2023-12-03 03:52:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:52:31,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:52:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:52:41,554 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) [2023-12-03 03:52:41,558 INFO L158 Benchmark]: Toolchain (without parser) took 128681.62ms. Allocated memory was 104.9MB in the beginning and 220.2MB in the end (delta: 115.3MB). Free memory was 45.2MB in the beginning and 57.8MB in the end (delta: -12.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,558 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:41,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.64ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 45.1MB in the beginning and 87.8MB in the end (delta: -42.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.02ms. Allocated memory is still 144.7MB. Free memory was 87.8MB in the beginning and 78.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,561 INFO L158 Benchmark]: Boogie Preprocessor took 117.75ms. Allocated memory is still 144.7MB. Free memory was 78.2MB in the beginning and 67.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,562 INFO L158 Benchmark]: RCFGBuilder took 3157.45ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 67.7MB in the beginning and 127.4MB in the end (delta: -59.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,563 INFO L158 Benchmark]: CodeCheck took 124582.38ms. Allocated memory is still 220.2MB. Free memory was 127.4MB in the beginning and 57.8MB in the end (delta: 69.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-12-03 03:52:41,567 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 0.20ms. Allocated memory is still 104.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.64ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 45.1MB in the beginning and 87.8MB in the end (delta: -42.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.02ms. Allocated memory is still 144.7MB. Free memory was 87.8MB in the beginning and 78.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.75ms. Allocated memory is still 144.7MB. Free memory was 78.2MB in the beginning and 67.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3157.45ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 67.7MB in the beginning and 127.4MB in the end (delta: -59.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * CodeCheck took 124582.38ms. Allocated memory is still 220.2MB. Free memory was 127.4MB in the beginning and 57.8MB in the end (delta: 69.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:52:41,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/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_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/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_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/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_f606e69e-e4fb-493d-a13d-abfca009ce54/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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:52:43,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:52:43,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:52:43,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:52:43,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:52:43,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:52:43,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:52:43,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:52:43,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:52:43,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:52:43,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:52:43,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:52:43,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:52:43,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:52:43,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:52:43,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:52:43,794 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:52:43,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:52:43,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:52:43,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:52:43,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:52:43,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:52:43,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:52:43,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:52:43,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:52:43,799 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:43,799 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:52:43,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:52:43,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:52:43,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:52:43,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:52:43,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:52:43,802 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:52:43,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:43,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:52:43,803 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:52:43,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:52:43,804 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_f606e69e-e4fb-493d-a13d-abfca009ce54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2023-12-03 03:52:44,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:52:44,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:52:44,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:52:44,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:52:44,127 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:52:44,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-12-03 03:52:47,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:52:47,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:52:47,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-12-03 03:52:47,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/4181f202a/29328308e4be48eea76734da9234420d/FLAG3d8059634 [2023-12-03 03:52:47,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/data/4181f202a/29328308e4be48eea76734da9234420d [2023-12-03 03:52:47,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:52:47,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:52:47,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:47,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:52:47,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:52:47,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:47" (1/1) ... [2023-12-03 03:52:47,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b88ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:47, skipping insertion in model container [2023-12-03 03:52:47,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:47" (1/1) ... [2023-12-03 03:52:47,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:52:48,209 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2023-12-03 03:52:48,317 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2023-12-03 03:52:48,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:48,346 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:52:48,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:52:48,377 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2023-12-03 03:52:48,428 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2023-12-03 03:52:48,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:48,442 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:52:48,467 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2023-12-03 03:52:48,512 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_f606e69e-e4fb-493d-a13d-abfca009ce54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2023-12-03 03:52:48,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:48,545 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:52:48,550 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:52:48,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48 WrapperNode [2023-12-03 03:52:48,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:48,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:48,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:52:48,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:52:48,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,642 INFO L138 Inliner]: procedures = 180, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1160 [2023-12-03 03:52:48,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:48,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:52:48,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:52:48,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:52:48,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:52:48,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:52:48,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:52:48,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:52:48,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:48" (1/1) ... [2023-12-03 03:52:48,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:52:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:52:48,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:52:48,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:52:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:52:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:52:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:52:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:52:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:52:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:52:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 03:52:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 03:52:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:52:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:52:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:52:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:52:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:52:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:52:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:52:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:52:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:52:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:52:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:52:49,047 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:52:49,049 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:53:03,784 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:53:04,274 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:53:04,274 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-12-03 03:53:04,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:04 BoogieIcfgContainer [2023-12-03 03:53:04,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:53:04,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:53:04,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:53:04,287 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:53:04,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:53:04" (1/1) ... [2023-12-03 03:53:04,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:53:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 171 states and 293 transitions. [2023-12-03 03:53:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 293 transitions. [2023-12-03 03:53:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:53:04,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:04,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:04,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:04,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:04,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:53:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:04,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:04,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:04,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:04,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 03:53:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 03:53:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:53:04,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:04,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:04,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:04,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:53:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:05,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:05,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:53:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 171 states and 285 transitions. [2023-12-03 03:53:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2023-12-03 03:53:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:53:05,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:05,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:05,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:05,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:05,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:53:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:05,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:05,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:53:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2023-12-03 03:53:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2023-12-03 03:53:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:53:05,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:05,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:05,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:05,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:05,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:53:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:06,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:06,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:06,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:06,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:53:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 171 states and 277 transitions. [2023-12-03 03:53:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 277 transitions. [2023-12-03 03:53:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:53:06,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:06,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:06,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:06,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:06,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:53:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:06,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:06,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:06,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:06,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:53:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 171 states and 275 transitions. [2023-12-03 03:53:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 275 transitions. [2023-12-03 03:53:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:53:06,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:06,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:06,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:06,640 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:06,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:53:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:06,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:07,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:07,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:07,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:53:07,125 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:53:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 171 states and 269 transitions. [2023-12-03 03:53:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 269 transitions. [2023-12-03 03:53:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:53:07,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:07,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:07,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:07,138 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:07,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:53:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:07,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:07,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:07,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:07,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:53:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 171 states and 267 transitions. [2023-12-03 03:53:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 267 transitions. [2023-12-03 03:53:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:53:07,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:07,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:07,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:07,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:53:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:08,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:08,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:53:08,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:08,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:53:08,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:53:08,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:53:08,303 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 [2023-12-03 03:53:08,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:53:08,410 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 [2023-12-03 03:53:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:08,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 173 states and 270 transitions. [2023-12-03 03:53:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 270 transitions. [2023-12-03 03:53:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:53:08,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:08,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:08,950 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:08,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:53:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:09,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:09,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:09,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:09,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:53:10,913 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 [] [2023-12-03 03:53:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 173 states and 264 transitions. [2023-12-03 03:53:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 264 transitions. [2023-12-03 03:53:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:53:10,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:10,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:10,933 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:53:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:11,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:11,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:11,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:11,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:53:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 186 states and 279 transitions. [2023-12-03 03:53:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 279 transitions. [2023-12-03 03:53:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:53:13,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:13,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:13,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:13,741 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:53:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:14,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:14,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:14,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:14,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:53:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 186 states and 277 transitions. [2023-12-03 03:53:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 277 transitions. [2023-12-03 03:53:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:53:14,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:14,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:14,541 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:14,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:53:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:15,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:15,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:15,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:15,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:53:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 186 states and 275 transitions. [2023-12-03 03:53:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 275 transitions. [2023-12-03 03:53:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:53:15,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:15,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:15,361 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:15,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:53:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:16,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:16,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:53:16,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:53:16,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:53:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 186 states and 273 transitions. [2023-12-03 03:53:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 273 transitions. [2023-12-03 03:53:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:53:16,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:16,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:16,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:16,362 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:16,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:53:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:17,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:17,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:17,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:17,581 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:53:17,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:53:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:17,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:17,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:17,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:17,610 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:17,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:53:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:18,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:18,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:18,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:18,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:53:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:19,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:19,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:19,068 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:19,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:53:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:19,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:20,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:20,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:20,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:53:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:20,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:20,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:20,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:20,311 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:20,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:53:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:20,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:21,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:21,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:21,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:21,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:21,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:21,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:21,364 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:53:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:22,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:22,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:22,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:22,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:53:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:22,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:22,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:22,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:22,714 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:22,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:53:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:23,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:23,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:23,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:23,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:23,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:23,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:23,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:23,908 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:23,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:53:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:24,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:24,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:24,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:25,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:53:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:25,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:25,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:25,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:25,015 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:25,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:53:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:26,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:26,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:26,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:26,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:53:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:26,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:26,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:26,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:26,430 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:26,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:53:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:27,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:27,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:27,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:27,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:53:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:27,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:27,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:27,730 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:27,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:53:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:28,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:29,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:29,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:29,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:53:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:29,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:29,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:29,266 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:29,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:53:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:30,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:30,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:30,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:30,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:53:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:30,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:30,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:30,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:30,654 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:30,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:53:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:31,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:32,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:32,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:32,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:32,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:32,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:32,389 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:32,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:53:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:33,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:33,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:33,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:33,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:33,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:33,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:33,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:33,812 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:33,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:53:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:34,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:35,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:35,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:35,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:35,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:35,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:35,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:35,224 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:35,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:53:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:36,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:36,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:36,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:36,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:53:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:36,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:36,859 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:36,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:53:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:38,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:38,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:38,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:38,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:53:38,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:38,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:38,507 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:38,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:53:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:39,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:40,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:40,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:40,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:53:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:40,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:40,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:40,067 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:40,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:53:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:41,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:41,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:41,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:41,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:53:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:41,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:41,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:41,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:41,704 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:41,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:53:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:42,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:43,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:43,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:43,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:53:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:43,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:43,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:43,333 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:43,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:53:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:44,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:45,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:45,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:45,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:53:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:45,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:45,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:45,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:45,063 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:53:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:46,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:46,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:46,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:46,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:53:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:46,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:46,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:46,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:46,955 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:46,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:53:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:48,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:48,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:48,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:48,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:53:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:48,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:48,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:48,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:48,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:48,793 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:48,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:53:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:50,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:50,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:50,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:50,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:53:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:50,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:50,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:50,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:50,577 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:50,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:53:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:52,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:52,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:52,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:52,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:53:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:52,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:52,563 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:52,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:53:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:53,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:54,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:54,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:54,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:53:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:54,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:54,294 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:54,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:53:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:55,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:56,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:56,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:56,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:53:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:56,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:56,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:56,361 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:56,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:53:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:58,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:58,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:58,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:53:58,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:53:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:53:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:53:58,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:58,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:58,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:58,332 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:58,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:54:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:00,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:00,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:00,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:00,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:54:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:00,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:00,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:00,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:00,542 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:00,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:54:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:02,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:02,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:02,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:02,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:54:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:02,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:02,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:02,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:02,611 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:54:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:04,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:04,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:04,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:04,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:54:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:04,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:04,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:04,793 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:04,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:54:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:06,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:06,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:06,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:06,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:54:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:06,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:06,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:06,891 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:06,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:54:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:08,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:09,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:09,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:09,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:09,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:09,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:09,071 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:09,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:54:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:10,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:11,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:11,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:11,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:54:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:11,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:11,360 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:11,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:54:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:13,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:13,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:13,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:13,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:54:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:13,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:13,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:13,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:13,863 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:13,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:54:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:15,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:16,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:16,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:16,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:54:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:16,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:16,278 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:54:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:18,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:18,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:18,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:18,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:54:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:18,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:18,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:18,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:18,512 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:18,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:54:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:20,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:20,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:20,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:20,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:20,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:20,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:20,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:20,918 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:54:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:23,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:23,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:23,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:23,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:23,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:23,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:23,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:23,509 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:23,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:54:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:25,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:26,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:26,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:26,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:54:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:26,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:26,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:26,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:26,376 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:26,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:54:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:28,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:28,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:28,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:28,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:28,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:28,717 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:28,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:54:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:30,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:31,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:31,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:31,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:31,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:31,425 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:31,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:54:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:33,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:34,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:34,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:34,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:54:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:34,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:34,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:34,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:34,067 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:34,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:54:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:36,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:36,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:36,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:36,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:36,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:36,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:36,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:36,607 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:36,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:54:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:38,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:39,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:39,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:54:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:39,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:39,225 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:54:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:41,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:41,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:41,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:41,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 03:54:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:41,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:41,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:41,704 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:41,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:54:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:44,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:44,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:44,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:44,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:54:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:44,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:44,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:44,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:44,343 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:44,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:54:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:46,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:47,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:47,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:47,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:47,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:47,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:47,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:47,194 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:54:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:49,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:50,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:50,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:50,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:54:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:50,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:50,082 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:50,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:54:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:52,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:52,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:52,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:52,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:52,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:52,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:52,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:52,924 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:52,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:54:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:55,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:55,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:55,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:55,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:54:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:55,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:55,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:55,633 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:55,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:54:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:58,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:58,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:58,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:54:58,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:54:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:54:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:54:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:54:58,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:58,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:58,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:58,567 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:58,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:55:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:00,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:01,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:01,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:55:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:01,207 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:01,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:01,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:01,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:01,208 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:01,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:55:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:03,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:03,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:03,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:03,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:55:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:03,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:03,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:03,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:03,670 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:03,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:55:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:06,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:07,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:07,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:07,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:55:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:07,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:07,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:07,287 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:07,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:55:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:10,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:10,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:10,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:10,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:55:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:10,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:10,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:10,788 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:10,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:55:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:13,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:14,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:14,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:14,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:55:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:14,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:14,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:14,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:14,339 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:55:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:17,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:17,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:17,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:17,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:55:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:17,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:17,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:17,627 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:55:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:20,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:21,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:21,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:21,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 03:55:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:21,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:21,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:21,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:21,124 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:21,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:55:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:24,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:24,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:24,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:24,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:55:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:24,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:24,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:24,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:24,692 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:24,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:55:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:26,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:27,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:27,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:27,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 03:55:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:27,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:27,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:27,138 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:27,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:55:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:30,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:30,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:30,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:30,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:55:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:30,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:30,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:30,788 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:55:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:33,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:34,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:34,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:34,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 03:55:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:34,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:34,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:34,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:34,294 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:34,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:55:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:37,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:38,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:38,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:38,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 03:55:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:38,085 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:38,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:38,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:38,087 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:38,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:55:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:41,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:42,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:42,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:42,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:55:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:42,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:42,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:42,164 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:42,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:55:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:45,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:45,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:45,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:45,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 03:55:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:45,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:45,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:45,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:45,889 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:45,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:55:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:49,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:49,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:49,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:49,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:55:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:49,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:49,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:49,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:49,782 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:49,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:55:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:53,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:53,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:53,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:53,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:55:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:53,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:53,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:53,738 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:53,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:55:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:57,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:57,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:57,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:57,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:55:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:55:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:55:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:55:57,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:57,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:57,466 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:56:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:00,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:01,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:01,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:01,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 03:56:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:01,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:01,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:01,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:01,301 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:01,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:56:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:04,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:04,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:04,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:05,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 03:56:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:05,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:05,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:05,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:05,043 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:05,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:56:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:08,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:09,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:09,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:09,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:56:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:09,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:09,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:09,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:09,087 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:09,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:56:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:12,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:12,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:12,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:12,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:56:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:12,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:12,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:12,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:12,902 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:12,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:56:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:16,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:56:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:16,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:16,783 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:56:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:20,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:20,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:20,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:20,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:56:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:20,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:20,421 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:56:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:23,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:23,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:23,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:23,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:56:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:23,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:23,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:23,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:23,816 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:23,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:56:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:27,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:27,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:27,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:27,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 03:56:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:27,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:27,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:27,874 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:27,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:56:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:31,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:31,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:31,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:31,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:56:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:31,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:31,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:31,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:31,886 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:31,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:56:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:36,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:36,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:36,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:36,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 03:56:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:36,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:36,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:36,528 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:36,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:56:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:40,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:40,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:40,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:40,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:56:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:40,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:40,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:40,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:40,727 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:40,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:56:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:44,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:45,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:45,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:45,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 03:56:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:45,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:45,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:45,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:45,101 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:56:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:48,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:49,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:49,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:49,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 03:56:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:49,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:49,296 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:49,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 03:56:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:53,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:53,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:53,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:53,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 03:56:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:54,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:54,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:54,003 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:54,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 03:56:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:57,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:58,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:58,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:56:58,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 03:56:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:56:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:56:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:56:58,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:58,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:58,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:58,297 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:58,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 03:57:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:02,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:02,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:02,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:02,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 03:57:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:02,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:02,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:02,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:02,799 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:02,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 03:57:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:06,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:07,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:07,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:07,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 03:57:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:07,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:07,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:07,343 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:07,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 03:57:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:11,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:11,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:11,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:11,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 03:57:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:11,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:11,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:11,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:11,921 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:11,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 03:57:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:16,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:16,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:16,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:16,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 03:57:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:16,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:16,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:16,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:16,698 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:16,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 03:57:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:20,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:20,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:20,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:20,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 03:57:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:20,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:20,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:20,790 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 03:57:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:25,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:25,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:25,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:25,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 03:57:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:25,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:25,692 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:25,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 03:57:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:29,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:30,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:30,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:30,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 03:57:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:30,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:30,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:30,165 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:30,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 03:57:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:34,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:35,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:35,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:35,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 03:57:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:35,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:35,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:35,055 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:35,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 03:57:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:39,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:39,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:39,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:39,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 03:57:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:39,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:39,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:39,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:39,608 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:39,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 03:57:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:44,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:44,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:44,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:44,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 03:57:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:44,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:44,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:44,814 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:44,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 03:57:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:49,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:49,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:49,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:49,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 03:57:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:49,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:49,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:49,560 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 03:57:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:54,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:54,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:54,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:54,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 03:57:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:54,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:54,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:54,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:54,811 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:54,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 03:57:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:59,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:59,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:59,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:59,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 03:57:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:57:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:57:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:57:59,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:59,436 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:59,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 03:58:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:03,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:04,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:04,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:04,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 03:58:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:04,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:04,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:04,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:04,289 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:04,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 03:58:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:09,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:09,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:09,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:09,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 03:58:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:09,766 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:09,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 03:58:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:14,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:14,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:14,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:14,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 03:58:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:14,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:14,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:14,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:14,976 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:14,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 03:58:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:20,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:20,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:20,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:20,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 03:58:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:20,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:20,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:20,600 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:20,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 03:58:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:25,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:25,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:25,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:25,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 03:58:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:25,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:25,623 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 03:58:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:30,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:31,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:31,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:31,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 03:58:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:31,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:31,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:31,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:31,299 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:31,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 03:58:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:36,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:36,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:36,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:36,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 03:58:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:36,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:36,534 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:36,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 03:58:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:41,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:42,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:42,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:42,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 03:58:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:42,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:42,204 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:42,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 03:58:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:47,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:47,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:47,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:47,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 03:58:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:47,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:47,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:47,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:47,583 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:47,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 03:58:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:52,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:52,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:52,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:52,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 03:58:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:52,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:52,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:52,916 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:52,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 03:58:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:57,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:57,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:57,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:58:57,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 03:58:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:58:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:58:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:58:57,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:57,711 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:57,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 03:59:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:02,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:03,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:03,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:03,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 03:59:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:03,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:03,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:03,102 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:03,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 03:59:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:08,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:08,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:08,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:08,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 03:59:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:08,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:08,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:08,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:08,845 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:08,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 03:59:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:13,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:14,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:14,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:14,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 03:59:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:14,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:14,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:14,240 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:14,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 03:59:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:19,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:20,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:20,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:20,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 03:59:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:20,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:20,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:20,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:20,367 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:20,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 03:59:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:25,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:25,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:25,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:25,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 03:59:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:25,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:25,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:25,961 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:25,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:59:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:30,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:31,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:31,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:31,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:59:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:31,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:31,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:31,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:31,351 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:31,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:59:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:36,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:36,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:36,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:36,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 03:59:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:36,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:36,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:36,819 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:59:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:42,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:42,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:42,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:42,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:59:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:42,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:42,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:42,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:42,407 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:42,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:59:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:47,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:48,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:48,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:48,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:59:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:48,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:48,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:48,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:48,202 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:48,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:59:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:54,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:54,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:54,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:54,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 03:59:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 03:59:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 03:59:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:59:54,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:54,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:54,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:54,555 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:54,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 04:00:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:00,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:00,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:00,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:00,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 04:00:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:00,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:00,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:00,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:00,901 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:00,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 04:00:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:06,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:07,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:07,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:07,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 04:00:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:07,333 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:07,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:07,334 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:07,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 04:00:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:13,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:13,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:13,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:13,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 04:00:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:13,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:13,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:13,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:13,518 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:13,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 04:00:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:19,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:19,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:19,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:19,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 04:00:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:19,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:19,850 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:19,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 04:00:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:24,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:24,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:24,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:24,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 04:00:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:24,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:24,987 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:24,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 04:00:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:30,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:30,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:30,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:30,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 04:00:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:30,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:30,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:30,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:30,919 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 04:00:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:36,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:36,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:36,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:36,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 04:00:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:36,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:36,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:36,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:36,591 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 04:00:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:41,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:41,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:41,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:42,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 04:00:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:42,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:42,019 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:42,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 04:00:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:47,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:47,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:47,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:47,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 04:00:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:47,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:47,845 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:47,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 04:00:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:53,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:54,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:00:54,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:54,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 04:00:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:00:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:00:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:00:54,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:54,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:54,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:54,264 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 04:01:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:00,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:01,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:01,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:01,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 04:01:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:01,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:01,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:01,259 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:01,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 04:01:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:07,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:07,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:07,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:07,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 04:01:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:07,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:07,802 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:07,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 04:01:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:13,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:13,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:13,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:13,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 04:01:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:13,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:13,711 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 04:01:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:19,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:19,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:19,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:20,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 04:01:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:20,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:20,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:20,041 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:20,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 04:01:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:25,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:26,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:26,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:26,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2023-12-03 04:01:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:26,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:26,163 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:26,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 04:01:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:32,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:32,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:32,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:32,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 04:01:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:32,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:32,941 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 04:01:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:39,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:39,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:39,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:40,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 04:01:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:40,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:40,048 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:40,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 04:01:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:46,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:46,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:46,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:46,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 04:01:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:46,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:46,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:46,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:46,870 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 04:01:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:52,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:53,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:53,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:53,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 04:01:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:53,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:53,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:53,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:53,284 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:53,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 04:01:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:59,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:59,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:59,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:01:59,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 04:01:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:01:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:01:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:59,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:59,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:59,932 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:59,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 04:02:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:06,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:06,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:06,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:06,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 04:02:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:06,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:06,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:06,928 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:06,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 04:02:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:13,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:13,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:13,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:13,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 04:02:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:13,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:13,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:13,714 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:13,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 04:02:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:19,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:19,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:19,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:19,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 04:02:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:19,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:19,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:19,481 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:19,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 04:02:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:24,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:25,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:25,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:25,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 04:02:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:25,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:25,317 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:25,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 04:02:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:30,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:31,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:31,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:31,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 04:02:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:31,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:31,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:31,270 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:31,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 04:02:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:37,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:37,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:37,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:37,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 04:02:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:37,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:37,540 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:37,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 04:02:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:43,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:43,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:43,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:43,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 04:02:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:43,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:43,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:43,647 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 04:02:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:49,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:49,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:49,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:49,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 04:02:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:49,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:49,798 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 04:02:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:55,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:55,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:55,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:55,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 04:02:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:02:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:02:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:02:55,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:55,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:55,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:55,529 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:55,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 04:03:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:01,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:01,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:01,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:01,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-03 04:03:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:01,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:01,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:01,421 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:01,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 04:03:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:07,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:07,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:07,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:07,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 04:03:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:07,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:07,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:07,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:07,553 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:07,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 04:03:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:13,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:13,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:13,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:13,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2023-12-03 04:03:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:13,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:13,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:13,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:13,639 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 04:03:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:19,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:19,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:19,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:19,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 04:03:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:19,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:19,668 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:19,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 04:03:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:25,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:25,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:25,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:25,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-03 04:03:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:25,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:25,623 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 04:03:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:31,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:31,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:31,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:31,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-03 04:03:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:31,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:31,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:31,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:31,795 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:31,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 04:03:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:37,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:37,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:37,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:37,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 04:03:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:37,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:37,682 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:37,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 04:03:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:43,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:43,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:43,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:44,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 04:03:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:44,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:44,008 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:44,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 04:03:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:50,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:50,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:50,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:03:50,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 04:03:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 189 states and 275 transitions. [2023-12-03 04:03:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2023-12-03 04:03:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:03:50,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:50,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:50,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:50,415 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:50,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f606e69e-e4fb-493d-a13d-abfca009ce54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process