./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:58,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:58,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:39:58,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:39:58,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:39:58,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:58,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:58,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:58,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:58,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:58,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:58,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:58,564 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:39:58,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:39:58,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:39:58,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:58,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:58,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:58,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:58,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:39:58,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:58,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:58,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:58,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:58,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:58,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:58,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:58,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:58,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:58,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:58,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:39:58,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:39:58,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:58,574 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2023-12-03 02:39:58,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:58,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:58,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:58,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:58,832 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:58,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-12-03 02:40:01,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:40:02,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:40:02,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-12-03 02:40:02,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/6faf164b4/aad64ec941fc4e1fb90ec6992c6aa146/FLAG1b077f0e2 [2023-12-03 02:40:02,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/6faf164b4/aad64ec941fc4e1fb90ec6992c6aa146 [2023-12-03 02:40:02,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:40:02,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:40:02,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:40:02,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:40:02,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:40:02,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:02,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cc84ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02, skipping insertion in model container [2023-12-03 02:40:02,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:02,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:40:02,521 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2023-12-03 02:40:02,705 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2023-12-03 02:40:02,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:40:02,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:40:02,758 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2023-12-03 02:40:02,856 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2023-12-03 02:40:02,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:40:02,900 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:40:02,908 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:40:02,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02 WrapperNode [2023-12-03 02:40:02,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:40:02,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:40:02,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:40:02,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:40:02,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:02,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,090 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2023-12-03 02:40:03,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:40:03,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:40:03,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:40:03,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:40:03,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:40:03,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:40:03,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:40:03,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:40:03,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:40:02" (1/1) ... [2023-12-03 02:40:03,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:40:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:40:03,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:40:03,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:40:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:40:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:40:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:40:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:40:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:40:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:40:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:40:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:40:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:40:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:40:03,469 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:40:03,471 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:40:05,982 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:40:07,713 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:40:07,714 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:40:07,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:40:07 BoogieIcfgContainer [2023-12-03 02:40:07,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:40:07,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:40:07,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:40:07,727 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:40:07,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:40:07" (1/1) ... [2023-12-03 02:40:07,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:40:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-12-03 02:40:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-12-03 02:40:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:40:07,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:07,994 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 02:40:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-12-03 02:40:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-12-03 02:40:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:40:08,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:08,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:08,181 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 02:40:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1123 states and 2196 transitions. [2023-12-03 02:40:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2196 transitions. [2023-12-03 02:40:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:40:08,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:08,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:40:08,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-12-03 02:40:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-12-03 02:40:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:40:08,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:08,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:40:08,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:18,530 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 02:40:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-12-03 02:40:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-12-03 02:40:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:40:18,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:18,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:18,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:40:18,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-12-03 02:40:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-12-03 02:40:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:40:18,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:18,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:40:18,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:29,011 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 02:40:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1123 states and 2172 transitions. [2023-12-03 02:40:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2172 transitions. [2023-12-03 02:40:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:40:29,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:40:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:29,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:40:29,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:39,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:40:49,631 WARN L539 Checker$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 02:40:59,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:09,704 WARN L539 Checker$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 02:41:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1136 states and 2187 transitions. [2023-12-03 02:41:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2187 transitions. [2023-12-03 02:41:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:41:09,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:10,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:10,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1136 states and 2185 transitions. [2023-12-03 02:41:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2185 transitions. [2023-12-03 02:41:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:41:10,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:10,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:10,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:10,331 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 02:41:20,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1136 states and 2183 transitions. [2023-12-03 02:41:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2183 transitions. [2023-12-03 02:41:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:41:20,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:20,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:20,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:41:20,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:41:30,747 WARN L539 Checker$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 02:41:40,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:50,824 WARN L539 Checker$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 02:42:00,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1139 states and 2185 transitions. [2023-12-03 02:42:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2185 transitions. [2023-12-03 02:42:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:42:01,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:01,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:42:01,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:42:11,532 WARN L539 Checker$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 02:42:21,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:33,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:43,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:53,674 WARN L539 Checker$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 02:43:03,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:13,863 WARN L539 Checker$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 02:43:23,895 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 02:43:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1185 states and 2244 transitions. [2023-12-03 02:43:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2244 transitions. [2023-12-03 02:43:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:43:23,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:24,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:43:24,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:43:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1185 states and 2240 transitions. [2023-12-03 02:43:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2240 transitions. [2023-12-03 02:43:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:43:24,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:24,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:43:24,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:43:34,617 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 02:43:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1185 states and 2238 transitions. [2023-12-03 02:43:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2238 transitions. [2023-12-03 02:43:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:43:34,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:34,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:34,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:43:34,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:43:45,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:55,122 WARN L539 Checker$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 02:44:05,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:15,182 WARN L539 Checker$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 02:44:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1188 states and 2240 transitions. [2023-12-03 02:44:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2240 transitions. [2023-12-03 02:44:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:44:15,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:15,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:15,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:15,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:44:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1188 states and 2238 transitions. [2023-12-03 02:44:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2238 transitions. [2023-12-03 02:44:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:44:15,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:15,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:44:15,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:44:25,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:36,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:46,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:56,145 WARN L539 Checker$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 02:44:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1171 states and 2217 transitions. [2023-12-03 02:44:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2217 transitions. [2023-12-03 02:44:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:44:56,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:45:06,495 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 02:45:06,498 INFO L158 Benchmark]: Toolchain (without parser) took 304439.02ms. Allocated memory was 142.6MB in the beginning and 306.2MB in the end (delta: 163.6MB). Free memory was 114.5MB in the beginning and 159.0MB in the end (delta: -44.5MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,499 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:06,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.89ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 56.3MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.75ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 99.8MB in the end (delta: -43.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,500 INFO L158 Benchmark]: Boogie Preprocessor took 126.34ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 83.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,501 INFO L158 Benchmark]: RCFGBuilder took 4498.29ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 83.7MB in the beginning and 140.9MB in the end (delta: -57.2MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,502 INFO L158 Benchmark]: CodeCheck took 298780.55ms. Allocated memory was 249.6MB in the beginning and 306.2MB in the end (delta: 56.6MB). Free memory was 140.9MB in the beginning and 159.0MB in the end (delta: -18.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-03 02:45:06,505 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 0.22ms. Allocated memory is still 142.6MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.89ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 56.3MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.75ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 99.8MB in the end (delta: -43.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.34ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 83.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4498.29ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 83.7MB in the beginning and 140.9MB in the end (delta: -57.2MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. * CodeCheck took 298780.55ms. Allocated memory was 249.6MB in the beginning and 306.2MB in the end (delta: 56.6MB). Free memory was 140.9MB in the beginning and 159.0MB in the end (delta: -18.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:45:06,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:45:08,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:45:08,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:45:08,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:45:08,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:45:08,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:45:08,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:45:08,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:45:08,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:45:08,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:45:08,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:45:08,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:45:08,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:45:08,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:45:08,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:45:08,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:45:08,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:45:08,547 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:45:08,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:45:08,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:45:08,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:45:08,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:45:08,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:45:08,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:45:08,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:45:08,551 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:08,552 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:08,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:45:08,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:08,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:45:08,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:45:08,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:45:08,555 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:45:08,555 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:08,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:45:08,555 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:45:08,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:08,556 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2023-12-03 02:45:08,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:45:08,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:45:08,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:45:08,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:45:08,867 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:45:08,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-12-03 02:45:11,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:45:12,081 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:45:12,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-12-03 02:45:12,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/fbd9f00ef/c91e0f684e5b49978e54f95480374a20/FLAGa653b7be4 [2023-12-03 02:45:12,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/data/fbd9f00ef/c91e0f684e5b49978e54f95480374a20 [2023-12-03 02:45:12,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:45:12,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:45:12,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:12,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:45:12,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:45:12,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:12" (1/1) ... [2023-12-03 02:45:12,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79698c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:12, skipping insertion in model container [2023-12-03 02:45:12,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:12" (1/1) ... [2023-12-03 02:45:12,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:12,625 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2023-12-03 02:45:12,871 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2023-12-03 02:45:12,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:12,901 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:45:12,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:12,953 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2023-12-03 02:45:13,056 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2023-12-03 02:45:13,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:13,069 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:45:13,098 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2023-12-03 02:45:13,205 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_ad7a50dd-0820-47aa-a0f0-fda900695c2f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2023-12-03 02:45:13,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:13,243 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:13,251 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:45:13,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13 WrapperNode [2023-12-03 02:45:13,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:13,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:13,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:45:13,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:45:13,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,403 INFO L138 Inliner]: procedures = 180, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3025 [2023-12-03 02:45:13,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:13,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:45:13,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:45:13,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:45:13,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:45:13,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:45:13,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:45:13,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:45:13,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:13" (1/1) ... [2023-12-03 02:45:13,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:13,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:45:13,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:45:13,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:45:13,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:45:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:45:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:45:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:45:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:45:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:45:13,823 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:45:13,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:45:31,237 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:45:31,877 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:45:31,877 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:45:31,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:31 BoogieIcfgContainer [2023-12-03 02:45:31,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:45:31,881 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:45:31,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:45:31,891 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:45:31,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:31" (1/1) ... [2023-12-03 02:45:31,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:45:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-12-03 02:45:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-12-03 02:45:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:45:32,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:32,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:32,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:32,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:32,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:45:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:32,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:32,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:32,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:32,429 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 02:45:32,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:45:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-12-03 02:45:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-12-03 02:45:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:45:32,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:32,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:32,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:32,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:32,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:45:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:32,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:32,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:32,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:32,867 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 02:45:32,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:45:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1121 states and 2193 transitions. [2023-12-03 02:45:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2193 transitions. [2023-12-03 02:45:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:45:33,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:33,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:33,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:33,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:33,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:45:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:33,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:33,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:33,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:33,450 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 02:45:33,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:45:33,453 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:45:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1121 states and 2191 transitions. [2023-12-03 02:45:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2191 transitions. [2023-12-03 02:45:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:45:33,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:33,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:33,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:33,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:33,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:45:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:33,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:33,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:33,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:33,853 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 02:45:33,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:45:33,857 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:45:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1121 states and 2189 transitions. [2023-12-03 02:45:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2189 transitions. [2023-12-03 02:45:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:45:33,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:33,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:33,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:33,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:33,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:45:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:34,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:34,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:34,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:34,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:45:34,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:45:34,495 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:45:34,505 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 02:45:34,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:34,600 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 02:45:34,638 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 02:45:34,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:45:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-12-03 02:45:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-12-03 02:45:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:45:34,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:34,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:34,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:45:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:35,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:35,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:35,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:35,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:45:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1123 states and 2190 transitions. [2023-12-03 02:45:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2190 transitions. [2023-12-03 02:45:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:45:35,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:35,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:35,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:35,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:35,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:45:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:35,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:35,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:35,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:35,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:45:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-12-03 02:45:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-12-03 02:45:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:45:36,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:36,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:36,014 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:36,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:45:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:36,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:36,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:36,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:36,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:45:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-12-03 02:45:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-12-03 02:45:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:45:36,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:36,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:36,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:36,611 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:36,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:45:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:37,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:37,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:37,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:37,297 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:45:37,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:45:38,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1123 states and 2174 transitions. [2023-12-03 02:45:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2174 transitions. [2023-12-03 02:45:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:45:38,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:38,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:38,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:38,484 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:38,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:45:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:38,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:39,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:45:39,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:39,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 02:45:40,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1136 states and 2189 transitions. [2023-12-03 02:45:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2189 transitions. [2023-12-03 02:45:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:45:40,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:40,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:40,781 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:40,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:45:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:41,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:41,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:41,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:41,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:45:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1136 states and 2187 transitions. [2023-12-03 02:45:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2187 transitions. [2023-12-03 02:45:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:45:41,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:41,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:41,495 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:41,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:45:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:41,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:42,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:42,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:42,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:45:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1136 states and 2185 transitions. [2023-12-03 02:45:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2185 transitions. [2023-12-03 02:45:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:45:42,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:42,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:42,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:42,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:42,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:45:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:42,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:43,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:43,050 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 02:45:43,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:45:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1136 states and 2183 transitions. [2023-12-03 02:45:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2183 transitions. [2023-12-03 02:45:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:45:43,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:43,077 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:43,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:45:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:45:43,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:44,127 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 02:45:44,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:45:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1139 states and 2185 transitions. [2023-12-03 02:45:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2185 transitions. [2023-12-03 02:45:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:45:44,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:44,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:44,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:44,165 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:44,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:45:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:44,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:45,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:45:45,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:45:45,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:45:57,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:07,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:17,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:27,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:30,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:31,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1185 states and 2244 transitions. [2023-12-03 02:46:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2244 transitions. [2023-12-03 02:46:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:46:33,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:33,390 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:46:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:34,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:34,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:34,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:46:34,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:46:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1185 states and 2242 transitions. [2023-12-03 02:46:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2242 transitions. [2023-12-03 02:46:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:46:34,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:34,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:34,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:34,481 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:34,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:46:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:35,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:35,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:35,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:46:35,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:46:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1185 states and 2238 transitions. [2023-12-03 02:46:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2238 transitions. [2023-12-03 02:46:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:46:35,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:35,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:35,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:35,654 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:35,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:46:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:36,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:36,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:36,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:46:37,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:46:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1188 states and 2240 transitions. [2023-12-03 02:46:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2240 transitions. [2023-12-03 02:46:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:46:37,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:37,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:37,051 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:37,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:46:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:37,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:38,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:38,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:46:38,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:46:43,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1188 states and 2238 transitions. [2023-12-03 02:46:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2238 transitions. [2023-12-03 02:46:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:46:43,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:43,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:43,611 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:43,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:46:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:44,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:44,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:44,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:46:45,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:45,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1171 states and 2217 transitions. [2023-12-03 02:46:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2217 transitions. [2023-12-03 02:46:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:45,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:45,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:45,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:45,056 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:45,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:46:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:45,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:46,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:46,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:46,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:46,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:46,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:46,827 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:46:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:47,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:48,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:48,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:48,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:46:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:48,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:48,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:48,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:48,253 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:46:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:49,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:49,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:49,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:49,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:46:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:49,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:49,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:49,677 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:49,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:46:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:50,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:51,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:51,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:46:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:51,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:51,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:51,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:51,198 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:51,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:46:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:52,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:52,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:52,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:52,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:52,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:52,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:52,728 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:52,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:46:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:53,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:54,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:54,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:54,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:46:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:54,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:54,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:54,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:54,295 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:54,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:46:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:55,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:55,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:55,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:55,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:46:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:55,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:55,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:55,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:55,926 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:55,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:46:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:57,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:57,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:57,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:57,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:46:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:57,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:57,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:57,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:57,441 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:57,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:46:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:58,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:59,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:46:59,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:59,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:46:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:46:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:46:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:59,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:59,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:59,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:59,223 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:59,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:47:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:00,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:00,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:47:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:00,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:00,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:00,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:00,986 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:00,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:47:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:02,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:02,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:02,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:02,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:47:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:02,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:02,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:02,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:02,731 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:02,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:47:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:04,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:04,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:04,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:04,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:47:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:04,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:04,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:04,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:04,566 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:04,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:47:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:06,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:06,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:06,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:06,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:47:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:06,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:06,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:06,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:06,460 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:06,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:47:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:07,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:08,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:08,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:08,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:47:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:08,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:08,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:08,395 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:08,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:47:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:10,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:10,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:10,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:10,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:10,338 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:10,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:47:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:11,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:12,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:12,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:12,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:47:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:12,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:12,388 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:12,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:47:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:13,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:14,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:14,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:14,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:47:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:14,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:14,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:14,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:14,364 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:14,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:47:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:16,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:16,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:16,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:16,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:47:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:16,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:16,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:16,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:16,496 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:16,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:47:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:18,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:18,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:18,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:18,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:47:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:18,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:18,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:18,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:18,650 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:18,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:47:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:20,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:20,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:20,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:20,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:20,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:20,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:20,732 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:20,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:47:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:22,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:22,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:22,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:22,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:47:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:22,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:22,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:22,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:22,912 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:22,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:47:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:24,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:25,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:25,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:25,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:47:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:25,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:25,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:25,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:25,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:25,162 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:25,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:47:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:27,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:27,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:27,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:27,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:47:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:27,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:27,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:27,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:27,423 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:47:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:29,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:29,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:29,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:29,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:47:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:29,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:29,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:29,854 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:29,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:47:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:31,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:32,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:32,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:32,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:47:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:32,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:32,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:32,080 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:32,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:47:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:34,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:34,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:34,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:34,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:47:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:34,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:34,510 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:34,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:47:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:36,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:36,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:36,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:36,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:47:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:36,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:36,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:36,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:36,924 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:36,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:47:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:38,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:39,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:39,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:39,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:47:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:39,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:39,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:39,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:39,267 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:39,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:47:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:41,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:41,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:41,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:41,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:47:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:41,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:41,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:41,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:41,823 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:47:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:43,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:44,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:44,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:44,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:47:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:44,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:44,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:44,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:44,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:44,350 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:44,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:47:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:46,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:46,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:46,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:46,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:47:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:46,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:46,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:46,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:47,000 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:47,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:47:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:49,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:49,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:49,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:49,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:47:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:49,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:49,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:49,756 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:47:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:52,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:52,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:52,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:52,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:47:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:52,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:52,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:52,641 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:52,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:47:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:54,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:55,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:55,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:55,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:47:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:55,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:55,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:55,331 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:55,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:47:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:57,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:57,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:57,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:57,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:47:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:47:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:47:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:47:58,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:58,007 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:58,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:48:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:00,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:00,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:00,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:00,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:48:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:00,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:00,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:00,730 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:00,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:48:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:03,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:03,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:03,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:03,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:48:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:03,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:03,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:03,524 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:03,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:48:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:05,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:06,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:06,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:06,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:48:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:06,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:06,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:06,181 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:06,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:48:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:08,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:08,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:08,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:08,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:48:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:08,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:08,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:08,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:08,982 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:48:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:11,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:11,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:11,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:12,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:48:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:12,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:12,047 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:12,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:48:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:14,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:14,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:15,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:15,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:48:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:15,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:15,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:15,051 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:15,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:48:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:17,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:18,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:18,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:18,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:48:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:18,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:18,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:18,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:18,148 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:48:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:20,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:21,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:21,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:21,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:48:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:21,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:21,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:21,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:21,223 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:21,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:48:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:23,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:24,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:24,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:24,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:48:24,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:24,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:24,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:24,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:24,357 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:24,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:48:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:27,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:27,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:27,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:27,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:48:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:27,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:27,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:27,628 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:27,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:48:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:30,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:30,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:30,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:30,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:48:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:30,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:30,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:30,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:30,642 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:30,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:48:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:33,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:33,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:33,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:33,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:48:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:33,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:33,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:33,738 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:33,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:48:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:36,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:37,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:37,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:37,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:48:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:37,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:37,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:37,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:37,093 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:37,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:48:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:40,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:40,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:40,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:40,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:48:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:40,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:40,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:40,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:40,478 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:40,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:48:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:43,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:43,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:43,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:43,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:48:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:43,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:43,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:43,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:43,990 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:43,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:48:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:47,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:47,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:47,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:47,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:48:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:47,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:47,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:47,578 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:47,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:48:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:50,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:51,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:51,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:51,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:48:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:51,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:51,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:51,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:51,204 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:51,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:48:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:54,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:54,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:54,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:54,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:48:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:54,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:54,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:54,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:54,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:54,735 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:54,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:48:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:57,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:58,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:58,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:58,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:48:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:48:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:48:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:58,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:58,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:58,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:58,225 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:58,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:49:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:01,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:01,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:01,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:01,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:49:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:01,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:01,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:01,731 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:01,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:49:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:04,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:05,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:05,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:05,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:49:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:05,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:05,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:05,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:05,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:05,244 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:05,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:49:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:08,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:08,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:08,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:08,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:49:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:08,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:08,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:08,758 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:08,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:49:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:12,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:12,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:12,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:12,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:49:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:12,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:12,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:12,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:12,559 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:12,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:49:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:15,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:15,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:15,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:15,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:49:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:15,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:15,907 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:49:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:19,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:19,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:19,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:19,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:49:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:19,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:19,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:19,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:19,654 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:19,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:49:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:22,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:23,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:23,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:23,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:49:23,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:23,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:23,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:23,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:23,382 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:23,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:49:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:27,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:27,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:27,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:27,447 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:27,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:49:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:31,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:31,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:31,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:31,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:49:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:31,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:31,531 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:31,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:49:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:35,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:35,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:49:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:35,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:35,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:35,504 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:35,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:49:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:39,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:39,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:39,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:39,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:39,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:39,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:39,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:39,591 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:39,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:49:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:43,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:43,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:43,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:43,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:49:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:43,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:43,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:43,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:43,646 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:43,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:49:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:47,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:47,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:47,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:47,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:49:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:47,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:47,597 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:47,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:49:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:51,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:51,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:51,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:51,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:51,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:51,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:51,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:51,516 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:51,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:49:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:55,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:55,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:55,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:55,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:55,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:55,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:55,561 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:55,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:49:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:59,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:59,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:59,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:59,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:49:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:49:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:49:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:59,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:59,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:59,666 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:59,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:50:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:03,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:03,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:03,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:03,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:03,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:03,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:03,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:03,813 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:03,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:50:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:07,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:08,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:08,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:08,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:50:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:08,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:08,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:08,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:08,146 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:08,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:50:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:12,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:12,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:12,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:12,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:50:12,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:12,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:12,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:12,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:12,444 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:12,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:50:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:16,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:16,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:16,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:16,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:50:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:16,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:16,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:16,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:16,587 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:16,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:50:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:20,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:20,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:20,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:20,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:20,856 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:20,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:50:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:24,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:25,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:25,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:25,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:50:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:25,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:25,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:25,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:25,241 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:25,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:50:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:29,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:29,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:29,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:29,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:50:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:29,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:29,710 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:29,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:50:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:33,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:33,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:33,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:33,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:33,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:33,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:33,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:33,670 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:33,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:50:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:37,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:38,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:38,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:38,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:50:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:38,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:38,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:38,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:38,250 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:38,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:50:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:42,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:42,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:42,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:42,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:50:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:42,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:42,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:42,854 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:50:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:47,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:47,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:47,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:47,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:47,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:47,764 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:47,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:50:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:52,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:50:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:52,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:52,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:52,090 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:52,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:50:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:56,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:56,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:50:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:50:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:50:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:56,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:56,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:56,665 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:56,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:51:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:00,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:01,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:01,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:01,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:51:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:01,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:01,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:01,354 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:01,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:51:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:05,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:06,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:06,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:06,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:51:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:06,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:06,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:06,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:06,429 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:06,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:51:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:11,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:11,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:11,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:11,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:51:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:11,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:11,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:11,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:11,519 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:51:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:15,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:16,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:16,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:16,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:51:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:16,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:16,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:16,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:16,326 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:16,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:51:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:20,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:20,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:20,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:20,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:51:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:20,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:20,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:20,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:20,855 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:51:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:25,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:25,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:25,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:25,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:51:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:25,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:25,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:25,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:25,574 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:25,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:51:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:30,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:30,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:30,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:30,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:51:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:30,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:30,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:30,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:30,448 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:30,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:51:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:34,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:35,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:35,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:35,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:51:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:35,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:35,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:35,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:35,412 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:35,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:51:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:40,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:40,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:40,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:40,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:40,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:40,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:40,831 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:40,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:51:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:45,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:45,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:45,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:45,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:51:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:45,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:45,892 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:45,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:51:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:50,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:51,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:51,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:51,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:51:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:51,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:51,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:51,269 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:51,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:51:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:55,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:56,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:56,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:56,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:51:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:51:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:51:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:56,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:56,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:56,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:56,394 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:56,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:52:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:01,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:01,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:01,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:01,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:52:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:01,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:01,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:01,879 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:52:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:06,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:07,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:07,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:07,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:07,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:07,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:07,336 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:07,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:52:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:12,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:12,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:12,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:12,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:52:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:12,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:12,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:12,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:12,847 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:12,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:52:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:17,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:18,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:18,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:18,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:52:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:18,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:18,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:18,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:18,206 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:18,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:52:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:23,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:23,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:23,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:23,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:52:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:23,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:23,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:23,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:23,537 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:23,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:52:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:28,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:28,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:52:28,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:28,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:28,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:28,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:28,937 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:28,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:52:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:33,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:33,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:52:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:33,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:33,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:33,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:33,525 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:33,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:52:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:38,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:39,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:39,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:39,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:52:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:39,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:39,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:39,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:39,166 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:39,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:52:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:44,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:44,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:44,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:44,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:52:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:44,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:44,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:44,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:44,435 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:44,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:52:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:49,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:50,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:50,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:50,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:52:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:50,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:50,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:50,275 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:52:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:55,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:56,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:56,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:56,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:52:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:52:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:52:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:56,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:56,100 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:53:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:01,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:01,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:01,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:01,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 02:53:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:01,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:01,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:01,848 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:01,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 02:53:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:07,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:07,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:07,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:07,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 02:53:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:07,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:07,744 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 02:53:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:12,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:13,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:13,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:13,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2023-12-03 02:53:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:13,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:13,279 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:13,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 02:53:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:18,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:19,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:19,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:19,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 02:53:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:19,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:19,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:19,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:19,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:19,198 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:19,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 02:53:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:24,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:24,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 02:53:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:24,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:24,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:24,839 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:24,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 02:53:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:30,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:30,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:30,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:30,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 02:53:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:30,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:30,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:30,559 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:30,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 02:53:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:36,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:36,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:36,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:36,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 02:53:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:36,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:36,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:36,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:36,566 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:36,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 02:53:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:41,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:41,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:41,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:42,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 02:53:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1171 states and 2214 transitions. [2023-12-03 02:53:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2214 transitions. [2023-12-03 02:53:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:42,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:42,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:42,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:42,066 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad7a50dd-0820-47aa-a0f0-fda900695c2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process