./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:58:26,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:58:26,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:58:26,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:58:26,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:58:26,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:58:26,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:58:26,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:58:26,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:58:26,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:58:26,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:58:26,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:58:26,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:58:26,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:58:26,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:58:26,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:58:26,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:58:26,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:58:26,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:58:26,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:58:26,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:58:26,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:58:26,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:58:26,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:58:26,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:58:26,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:58:26,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:58:26,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:58:26,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:58:26,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:58:26,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-11-25 03:58:27,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:58:27,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:58:27,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:58:27,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:58:27,314 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:58:27,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-25 03:58:31,053 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/61d95eae9/7b414a26f7114942a086d5e71f53fc3f/FLAG940ed227b [2024-11-25 03:58:31,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:58:31,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-25 03:58:31,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/61d95eae9/7b414a26f7114942a086d5e71f53fc3f/FLAG940ed227b [2024-11-25 03:58:31,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/61d95eae9/7b414a26f7114942a086d5e71f53fc3f [2024-11-25 03:58:31,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:58:31,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:58:31,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:31,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:58:31,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:58:31,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:31" (1/1) ... [2024-11-25 03:58:31,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343e97c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:31, skipping insertion in model container [2024-11-25 03:58:31,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:31" (1/1) ... [2024-11-25 03:58:31,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:58:32,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-25 03:58:32,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:32,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:58:32,560 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-25 03:58:32,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:32,775 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:58:32,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32 WrapperNode [2024-11-25 03:58:32,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:32,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:32,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:58:32,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:58:32,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:32,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,381 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3714 [2024-11-25 03:58:33,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:33,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:58:33,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:58:33,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:58:33,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:33,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:34,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:58:34,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:58:34,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:58:34,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:58:34,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:32" (1/1) ... [2024-11-25 03:58:34,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:58:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:58:34,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:58:34,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:58:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:58:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:58:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:58:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:58:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:58:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:58:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:58:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:58:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:58:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:58:34,713 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:58:34,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:58:41,295 INFO L? ?]: Removed 1909 outVars from TransFormulas that were not future-live. [2024-11-25 03:58:41,296 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:58:46,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:58:46,806 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-25 03:58:46,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:46 BoogieIcfgContainer [2024-11-25 03:58:46,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:58:46,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:58:46,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:58:46,821 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:58:46,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:46" (1/1) ... [2024-11-25 03:58:46,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:58:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-25 03:58:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 03:58:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:58:46,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:58:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-25 03:58:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-25 03:58:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:58:49,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:49,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:58:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-25 03:58:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-25 03:58:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:58:50,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:58:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-25 03:58:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-25 03:58:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:58:51,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:58:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-25 03:58:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-25 03:58:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:58:52,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:52,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:58:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-25 03:58:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-25 03:58:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:58:52,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:52,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:58:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-11-25 03:58:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-11-25 03:58:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:58:53,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:53,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:58:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-25 03:58:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-25 03:58:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:58:54,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:58:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2024-11-25 03:58:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-25 03:58:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:58:55,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:58:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-11-25 03:58:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-25 03:58:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:58:56,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:58:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-25 03:58:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-25 03:58:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:58:57,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:57,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-25 03:59:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2024-11-25 03:59:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-25 03:59:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 03:59:05,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-25 03:59:15,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:59:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2024-11-25 03:59:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-25 03:59:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:59:15,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:15,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-25 03:59:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2024-11-25 03:59:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-11-25 03:59:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:59:17,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:17,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-25 03:59:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2024-11-25 03:59:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-11-25 03:59:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 03:59:18,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:18,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-25 03:59:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2024-11-25 03:59:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-25 03:59:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 03:59:20,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:20,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:59:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-25 03:59:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-25 03:59:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-25 03:59:21,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:59:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2024-11-25 03:59:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2024-11-25 03:59:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-25 03:59:23,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:23,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 03:59:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2024-11-25 03:59:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-11-25 03:59:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:59:24,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 03:59:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2024-11-25 03:59:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2024-11-25 03:59:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:59:25,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:25,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-25 03:59:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2024-11-25 03:59:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-25 03:59:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 03:59:27,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-25 03:59:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2024-11-25 03:59:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-11-25 03:59:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-25 03:59:29,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:59:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2024-11-25 03:59:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-11-25 03:59:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 03:59:31,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:31,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:59:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2024-11-25 03:59:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-11-25 03:59:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 03:59:34,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:59:37,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2024-11-25 03:59:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-11-25 03:59:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 03:59:37,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:59:40,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:59:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-11-25 03:59:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-25 03:59:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:59:40,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:59:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-11-25 03:59:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-25 03:59:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 03:59:42,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:59:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-11-25 03:59:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-25 03:59:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-25 03:59:43,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:59:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2024-11-25 03:59:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-25 03:59:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 03:59:45,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:45,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:59:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2024-11-25 03:59:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-11-25 03:59:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-25 03:59:47,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:59:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-11-25 03:59:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-11-25 03:59:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 03:59:48,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:48,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:59:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2024-11-25 03:59:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-25 03:59:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:59:49,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:59:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2024-11-25 03:59:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-25 03:59:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 03:59:51,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:59:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-11-25 03:59:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-11-25 03:59:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 03:59:53,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:59:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-11-25 03:59:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-25 03:59:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 03:59:54,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:59:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-11-25 03:59:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-11-25 03:59:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-25 03:59:56,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:59:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2024-11-25 03:59:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2024-11-25 03:59:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 03:59:57,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:57,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:59:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2024-11-25 03:59:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2024-11-25 03:59:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 03:59:59,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:59,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 04:00:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2024-11-25 04:00:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-11-25 04:00:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 04:00:01,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:01,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 04:00:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2024-11-25 04:00:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-11-25 04:00:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 04:00:02,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:02,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 04:00:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2024-11-25 04:00:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2024-11-25 04:00:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-25 04:00:05,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:05,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 04:00:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-25 04:00:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-25 04:00:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 04:00:07,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:07,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 04:00:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2024-11-25 04:00:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2024-11-25 04:00:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 04:00:09,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:09,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 04:00:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2024-11-25 04:00:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2024-11-25 04:00:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-25 04:00:10,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:10,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 04:00:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2024-11-25 04:00:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2024-11-25 04:00:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 04:00:12,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 04:00:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-11-25 04:00:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-11-25 04:00:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-25 04:00:14,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:14,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 04:00:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2024-11-25 04:00:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-25 04:00:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 04:00:15,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 04:00:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-11-25 04:00:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-11-25 04:00:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 04:00:16,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 04:00:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-11-25 04:00:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-11-25 04:00:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-25 04:00:18,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:18,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 04:00:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-11-25 04:00:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-11-25 04:00:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 04:00:20,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-25 04:00:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-11-25 04:00:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-11-25 04:00:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 04:00:21,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-25 04:00:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-11-25 04:00:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-25 04:00:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 04:00:23,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 04:00:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-11-25 04:00:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-11-25 04:00:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 04:00:25,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 04:00:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-11-25 04:00:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-11-25 04:00:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-25 04:00:27,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:27,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 04:00:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-11-25 04:00:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-11-25 04:00:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 04:00:29,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 04:00:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-11-25 04:00:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-11-25 04:00:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 04:00:31,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:31,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 04:00:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-11-25 04:00:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-11-25 04:00:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-25 04:00:33,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 04:00:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2024-11-25 04:00:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-25 04:00:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-25 04:00:34,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 04:00:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-11-25 04:00:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-25 04:00:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 04:00:36,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:36,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:00:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 04:00:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2024-11-25 04:00:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-11-25 04:00:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-25 04:00:38,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:01:21,911 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:01:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:02:04,464 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:485) 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) [2024-11-25 04:02:04,468 INFO L158 Benchmark]: Toolchain (without parser) took 212736.05ms. Allocated memory was 142.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 102.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 04:02:04,468 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:04,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.24ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 47.4MB in the end (delta: 54.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:02:04,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 604.51ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 64.8MB in the end (delta: -17.4MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-11-25 04:02:04,470 INFO L158 Benchmark]: Boogie Preprocessor took 649.89ms. Allocated memory was 159.4MB in the beginning and 453.0MB in the end (delta: 293.6MB). Free memory was 64.8MB in the beginning and 343.6MB in the end (delta: -278.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-25 04:02:04,470 INFO L158 Benchmark]: RCFGBuilder took 12771.46ms. Allocated memory was 453.0MB in the beginning and 989.9MB in the end (delta: 536.9MB). Free memory was 343.5MB in the beginning and 374.6MB in the end (delta: -31.1MB). Peak memory consumption was 628.7MB. Max. memory is 16.1GB. [2024-11-25 04:02:04,471 INFO L158 Benchmark]: CodeCheck took 197659.78ms. Allocated memory was 989.9MB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 374.6MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:02:04,473 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.24ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 47.4MB in the end (delta: 54.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 604.51ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 64.8MB in the end (delta: -17.4MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 649.89ms. Allocated memory was 159.4MB in the beginning and 453.0MB in the end (delta: 293.6MB). Free memory was 64.8MB in the beginning and 343.6MB in the end (delta: -278.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * RCFGBuilder took 12771.46ms. Allocated memory was 453.0MB in the beginning and 989.9MB in the end (delta: 536.9MB). Free memory was 343.5MB in the beginning and 374.6MB in the end (delta: -31.1MB). Peak memory consumption was 628.7MB. Max. memory is 16.1GB. * CodeCheck took 197659.78ms. Allocated memory was 989.9MB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 374.6MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:02:04,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:07,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:07,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:02:07,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:07,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:07,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:07,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:07,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:07,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:07,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:07,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:07,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:07,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:07,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:07,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:07,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:07,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:07,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:07,445 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:02:07,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:07,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:07,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:07,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:07,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:07,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:02:07,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:07,447 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:02:07,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-11-25 04:02:07,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:07,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:07,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:07,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:07,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:07,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-25 04:02:10,711 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/5769d3612/2857c9fa6a234805bffcd14ebdab1ec2/FLAG2c71f4903 [2024-11-25 04:02:11,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:11,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-25 04:02:11,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/5769d3612/2857c9fa6a234805bffcd14ebdab1ec2/FLAG2c71f4903 [2024-11-25 04:02:11,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/data/5769d3612/2857c9fa6a234805bffcd14ebdab1ec2 [2024-11-25 04:02:11,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:02:11,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:02:11,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:11,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:02:11,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:02:11,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:11" (1/1) ... [2024-11-25 04:02:11,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd5852e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:11, skipping insertion in model container [2024-11-25 04:02:11,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:11" (1/1) ... [2024-11-25 04:02:11,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:02:11,575 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-25 04:02:11,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:11,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:02:11,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-25 04:02:12,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:12,256 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:02:12,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12 WrapperNode [2024-11-25 04:02:12,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:12,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:12,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:02:12,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:02:12,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,409 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1575 [2024-11-25 04:02:12,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:12,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:02:12,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:02:12,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:02:12,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,515 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:02:12,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:02:12,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:02:12,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:02:12,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:12,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:02:12,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:02:12,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:02:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:02:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-25 04:02:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:02:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:02:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:02:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:02:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:02:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:02:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-25 04:02:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:02:13,061 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:02:13,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:02:14,573 INFO L? ?]: Removed 1019 outVars from TransFormulas that were not future-live. [2024-11-25 04:02:14,573 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:02:15,042 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:02:15,042 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-25 04:02:15,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:15 BoogieIcfgContainer [2024-11-25 04:02:15,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:02:15,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:02:15,044 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:02:15,054 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:02:15,054 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:15" (1/1) ... [2024-11-25 04:02:15,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:02:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-25 04:02:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 04:02:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 04:02:15,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:15,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:15,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:15,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:15,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:02:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:15,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:16,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:16,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 04:02:16,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-25 04:02:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-25 04:02:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:02:16,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:16,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:16,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:02:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:17,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:17,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:17,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 04:02:17,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-25 04:02:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-25 04:02:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:02:17,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:17,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:17,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:17,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:02:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:18,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:18,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:18,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 04:02:18,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:02:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-25 04:02:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-25 04:02:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:02:18,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:18,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:18,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:18,387 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:18,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:02:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:19,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:19,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:02:19,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 04:02:19,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:02:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-25 04:02:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-25 04:02:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:02:19,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:19,518 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:19,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:02:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:20,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:20,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:02:20,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:02:20,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:02:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-25 04:02:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-25 04:02:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 04:02:20,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:20,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:20,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:20,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:20,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:02:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:21,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:21,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:02:21,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:02:21,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:02:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-25 04:02:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-25 04:02:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 04:02:21,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:21,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:21,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:21,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:02:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:22,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:22,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:02:22,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:02:22,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:02:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-11-25 04:02:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-11-25 04:02:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:02:22,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:22,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:22,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:22,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:02:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:23,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:23,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:02:23,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:02:23,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:02:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-11-25 04:02:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-25 04:02:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:02:23,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:23,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:23,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:23,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:23,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:02:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:24,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:24,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:02:24,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 04:02:25,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-11-25 04:02:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-25 04:02:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:02:25,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:25,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:25,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:25,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:25,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:02:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:26,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:26,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:02:26,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 04:02:26,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 04:02:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2024-11-25 04:02:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-25 04:02:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:02:26,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:26,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:26,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:26,389 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:26,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:02:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:27,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:27,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:27,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 04:02:28,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:02:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2024-11-25 04:02:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-25 04:02:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 04:02:31,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:31,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:31,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:31,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:31,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:02:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:33,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:33,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:33,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-25 04:02:33,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:02:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2024-11-25 04:02:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-25 04:02:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 04:02:34,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:34,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:34,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:34,330 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:34,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:02:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:35,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:36,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:36,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-25 04:02:36,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 04:02:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2024-11-25 04:02:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2024-11-25 04:02:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 04:02:36,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:36,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:36,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:36,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:02:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:38,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:39,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:39,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:02:39,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-11-25 04:02:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-11-25 04:02:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:02:39,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:39,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:39,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:39,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:39,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:02:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:41,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:41,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:41,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 04:02:42,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-25 04:02:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-25 04:02:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 04:02:42,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:42,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:42,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:42,323 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:42,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:02:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:44,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:44,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:44,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 04:02:44,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:02:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2024-11-25 04:02:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2024-11-25 04:02:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-25 04:02:44,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:44,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:44,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:44,945 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:44,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:02:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:46,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:47,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:47,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 04:02:47,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 04:02:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-11-25 04:02:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-25 04:02:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-25 04:02:48,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:48,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:48,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:48,055 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:02:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:50,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:50,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:50,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-25 04:02:50,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 04:02:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2024-11-25 04:02:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-25 04:02:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 04:02:50,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:50,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:50,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:50,961 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:50,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:02:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:52,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:53,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:53,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-25 04:02:53,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 04:02:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-11-25 04:02:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-11-25 04:02:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 04:02:53,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:53,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:53,849 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:02:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:56,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:56,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:56,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 04:02:56,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2024-11-25 04:02:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-11-25 04:02:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 04:02:57,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:57,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:57,078 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:57,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:02:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:59,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:59,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:02:59,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-25 04:02:59,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2024-11-25 04:03:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2024-11-25 04:03:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-25 04:03:00,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:00,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:00,197 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:00,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:03:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:02,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:03,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:03,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-25 04:03:03,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2024-11-25 04:03:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-11-25 04:03:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 04:03:03,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:03,978 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 04:03:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:06,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:06,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:06,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-25 04:03:07,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 04:03:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2024-11-25 04:03:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-11-25 04:03:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 04:03:07,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:07,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:07,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:07,795 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:07,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 04:03:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:10,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:10,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:10,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-25 04:03:10,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 04:03:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-11-25 04:03:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-25 04:03:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 04:03:11,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:11,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:11,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:11,218 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 04:03:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:13,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:14,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:14,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 04:03:15,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 04:03:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-11-25 04:03:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-11-25 04:03:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 04:03:15,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:15,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:15,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:15,721 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:15,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 04:03:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:19,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:19,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:19,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-25 04:03:19,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 04:03:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-11-25 04:03:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-11-25 04:03:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 04:03:20,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:20,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:20,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:20,263 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:20,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 04:03:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:23,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:23,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:23,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-25 04:03:24,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 04:03:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2024-11-25 04:03:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-25 04:03:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-25 04:03:25,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:25,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:25,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:25,164 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:25,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 04:03:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:28,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:28,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:28,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-25 04:03:29,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 04:03:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2024-11-25 04:03:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-25 04:03:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 04:03:29,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:29,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:29,967 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:29,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 04:03:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:33,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:33,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:33,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-25 04:03:34,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-25 04:03:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-25 04:03:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-25 04:03:35,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:35,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:35,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:35,242 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:35,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 04:03:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:38,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:39,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:39,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-25 04:03:39,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:40,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2024-11-25 04:03:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-11-25 04:03:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 04:03:40,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:40,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:40,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:40,506 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:40,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 04:03:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:43,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:44,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:44,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-25 04:03:44,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 78 states and 102 transitions. [2024-11-25 04:03:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-11-25 04:03:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 04:03:45,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:45,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:45,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:45,420 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:03:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:48,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:49,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:49,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-25 04:03:49,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:03:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2024-11-25 04:03:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-11-25 04:03:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 04:03:50,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:50,737 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:50,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:03:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:54,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:54,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:54,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-25 04:03:54,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 04:03:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-11-25 04:03:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-11-25 04:03:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 04:03:56,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:56,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:56,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:56,005 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:56,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:03:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:59,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:59,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:03:59,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 04:04:00,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 04:04:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2024-11-25 04:04:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-11-25 04:04:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 04:04:01,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:01,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:01,557 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:01,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 04:04:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:05,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:05,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:05,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-25 04:04:06,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 04:04:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2024-11-25 04:04:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2024-11-25 04:04:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-25 04:04:07,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:07,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:07,284 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:07,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 04:04:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:10,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:11,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:11,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-25 04:04:11,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-25 04:04:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-11-25 04:04:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-11-25 04:04:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 04:04:13,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:13,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:13,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:13,048 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:13,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 04:04:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:17,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:17,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:17,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-25 04:04:18,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-25 04:04:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-11-25 04:04:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-25 04:04:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 04:04:19,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:19,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:19,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:19,545 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:19,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 04:04:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:24,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:24,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:24,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-25 04:04:25,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 04:04:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-11-25 04:04:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-11-25 04:04:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 04:04:26,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:26,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:26,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:26,435 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 04:04:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:30,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:31,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:31,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-25 04:04:31,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 04:04:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-11-25 04:04:33,108 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-11-25 04:04:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 04:04:33,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:33,111 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:33,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 04:04:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:37,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:37,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:37,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-25 04:04:38,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 04:04:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-11-25 04:04:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-25 04:04:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-25 04:04:39,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:39,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:39,422 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 04:04:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:43,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:43,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:04:43,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 04:04:44,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-25 04:04:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-11-25 04:04:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-11-25 04:04:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 04:04:45,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:45,755 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:45,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 04:04:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:50,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:50,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:04:50,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 04:04:50,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 04:04:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2024-11-25 04:04:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-11-25 04:04:52,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 04:04:52,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:52,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:52,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:52,295 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:52,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 04:04:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:56,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:57,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:04:57,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 04:04:57,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 04:04:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-11-25 04:04:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-11-25 04:04:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-25 04:04:59,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:59,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:59,099 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:59,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 04:05:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:03,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:04,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:05:04,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 04:05:04,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 04:05:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:06,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2024-11-25 04:05:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2024-11-25 04:05:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 04:05:06,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:06,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:06,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:06,229 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:06,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 04:05:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:11,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:12,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:05:12,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 04:05:12,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 04:05:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:14,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2024-11-25 04:05:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-11-25 04:05:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-25 04:05:14,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:14,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:14,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:14,586 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:14,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 04:05:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:19,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:19,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:05:19,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 04:05:20,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 04:05:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-11-25 04:05:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-11-25 04:05:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 04:05:21,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:21,753 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 04:05:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:27,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:27,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:05:27,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 04:05:28,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 04:05:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-25 04:05:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-25 04:05:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 04:05:29,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:29,695 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 04:05:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:34,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:34,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:05:34,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-25 04:05:35,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 04:05:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-11-25 04:05:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-11-25 04:05:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-25 04:05:37,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:37,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:37,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:37,262 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:37,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 04:05:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:42,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:43,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:05:43,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-25 04:05:43,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 04:05:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-11-25 04:05:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-11-25 04:05:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 04:05:45,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:45,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:45,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:45,302 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:45,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 04:05:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:50,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:50,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:05:50,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-25 04:05:51,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 04:05:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2024-11-25 04:05:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2024-11-25 04:05:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 04:05:53,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:53,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:53,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:53,473 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:53,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 04:05:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:58,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:59,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:05:59,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-25 04:05:59,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 04:06:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-11-25 04:06:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-11-25 04:06:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 04:06:01,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:01,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:01,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:01,607 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:01,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 04:06:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:07,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:07,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:06:07,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-25 04:06:08,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 04:06:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-11-25 04:06:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-11-25 04:06:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 04:06:10,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:10,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:10,226 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:10,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 04:06:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:15,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:16,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:06:16,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-25 04:06:16,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 04:06:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2024-11-25 04:06:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2024-11-25 04:06:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-25 04:06:18,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:18,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:18,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:18,585 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:18,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 04:06:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:25,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:25,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:06:25,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-25 04:06:26,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 04:06:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2024-11-25 04:06:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2024-11-25 04:06:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 04:06:28,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:28,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:28,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:28,253 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:28,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 04:06:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:34,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:34,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:06:34,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-25 04:06:35,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-25 04:06:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-11-25 04:06:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-11-25 04:06:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 04:06:37,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:37,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:37,390 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:37,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 04:06:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:43,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:43,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:06:43,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-25 04:06:44,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 04:06:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-11-25 04:06:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-11-25 04:06:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-25 04:06:46,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:46,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:46,428 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:46,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 04:06:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:52,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:53,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:06:53,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-25 04:06:54,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 04:06:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-11-25 04:06:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-25 04:06:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-25 04:06:56,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:56,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:56,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:56,339 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:56,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 04:07:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:02,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:02,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:07:02,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-25 04:07:03,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 04:07:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-11-25 04:07:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-11-25 04:07:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 04:07:05,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:05,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:05,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:05,906 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:05,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 04:07:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:11,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:12,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:07:12,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-25 04:07:13,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 04:07:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2024-11-25 04:07:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2024-11-25 04:07:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-25 04:07:15,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:15,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:15,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:15,177 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:15,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 04:07:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:21,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:22,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 04:07:22,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-25 04:07:31,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d5a71b-e3f4-4cc8-81a8-48c7c7150747/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0