./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:02:52,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:02:52,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-02 22:02:52,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:02:52,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:02:52,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:02:52,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:02:52,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:02:52,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:02:52,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:02:52,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:02:52,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:02:52,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:02:52,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:02:52,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:02:52,183 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:02:52,183 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:02:52,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:02:52,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:02:52,185 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:02:52,185 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:02:52,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:02:52,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:02:52,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:02:52,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:02:52,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:02:52,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:02:52,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:52,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:02:52,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:02:52,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:02:52,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:02:52,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 [2023-12-02 22:02:52,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:02:52,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:02:52,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:02:52,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:02:52,433 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:02:52,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-12-02 22:02:55,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:02:55,469 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:02:55,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-12-02 22:02:55,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/e87c647f6/209a0bc8742446b0b5fb4d438ee46cd0/FLAG04006b837 [2023-12-02 22:02:55,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/e87c647f6/209a0bc8742446b0b5fb4d438ee46cd0 [2023-12-02 22:02:55,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:02:55,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:02:55,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:55,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:02:55,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:02:55,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:55" (1/1) ... [2023-12-02 22:02:55,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779b512d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:55, skipping insertion in model container [2023-12-02 22:02:55,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:55" (1/1) ... [2023-12-02 22:02:55,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:02:56,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:56,471 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:02:56,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:56,642 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:56,649 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:02:56,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56 WrapperNode [2023-12-02 22:02:56,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:56,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:56,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:02:56,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:02:56,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,886 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6205 [2023-12-02 22:02:56,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:56,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:02:56,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:02:56,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:02:56,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:56,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:57,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:57,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:57,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:57,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:02:57,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:02:57,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:02:57,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:02:57,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:56" (1/1) ... [2023-12-02 22:02:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:02:57,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:02:57,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:02:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:02:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:02:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:02:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:02:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:02:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:02:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:02:57,353 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:02:57,355 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:03:01,294 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:03:03,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:03:03,648 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 22:03:03,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:03 BoogieIcfgContainer [2023-12-02 22:03:03,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:03:03,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:03:03,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:03:03,664 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:03:03,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:03:03" (1/1) ... [2023-12-02 22:03:03,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:03:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 3598 states and 5169 transitions. [2023-12-02 22:03:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5169 transitions. [2023-12-02 22:03:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:03:03,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:03,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3598 states and 5167 transitions. [2023-12-02 22:03:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5167 transitions. [2023-12-02 22:03:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:03:04,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 3600 states and 5170 transitions. [2023-12-02 22:03:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5170 transitions. [2023-12-02 22:03:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:03:04,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:04,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3600 states and 5168 transitions. [2023-12-02 22:03:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5168 transitions. [2023-12-02 22:03:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:03:04,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:04,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3600 states and 5164 transitions. [2023-12-02 22:03:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5164 transitions. [2023-12-02 22:03:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:03:04,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:04,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 3600 states and 5158 transitions. [2023-12-02 22:03:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5158 transitions. [2023-12-02 22:03:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:03:04,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:04,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:14,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 3600 states and 5152 transitions. [2023-12-02 22:03:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5152 transitions. [2023-12-02 22:03:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:03:14,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:15,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:03:15,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:25,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:35,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:45,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:55,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3613 states and 5167 transitions. [2023-12-02 22:03:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5167 transitions. [2023-12-02 22:03:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:03:55,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:55,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:55,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 3613 states and 5165 transitions. [2023-12-02 22:03:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5165 transitions. [2023-12-02 22:03:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:03:55,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:55,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:55,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:55,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3613 states and 5163 transitions. [2023-12-02 22:03:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5163 transitions. [2023-12-02 22:03:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:03:56,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:56,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:56,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:03:56,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:06,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3613 states and 5161 transitions. [2023-12-02 22:04:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5161 transitions. [2023-12-02 22:04:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:04:06,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:06,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:06,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:04:16,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:26,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:36,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:46,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:46,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3616 states and 5163 transitions. [2023-12-02 22:04:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5163 transitions. [2023-12-02 22:04:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:04:46,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:46,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:47,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:47,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:47,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:04:47,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 22:04:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:04:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 3618 states and 5166 transitions. [2023-12-02 22:04:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5166 transitions. [2023-12-02 22:04:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:04:47,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:47,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:47,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:47,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:04:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3617 states and 5161 transitions. [2023-12-02 22:04:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5161 transitions. [2023-12-02 22:04:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:04:47,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:47,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:47,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:47,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:04:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5157 states to 3617 states and 5157 transitions. [2023-12-02 22:04:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5157 transitions. [2023-12-02 22:04:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 22:04:47,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:48,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:48,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:04:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 3617 states and 5155 transitions. [2023-12-02 22:04:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5155 transitions. [2023-12-02 22:04:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 22:04:48,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:48,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:48,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:04:48,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:04:58,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:04:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 3617 states and 5153 transitions. [2023-12-02 22:04:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5153 transitions. [2023-12-02 22:04:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:04:58,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:58,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:58,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:05:09,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:19,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:29,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:39,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:50,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:00,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:10,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:20,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5210 states to 3661 states and 5210 transitions. [2023-12-02 22:06:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5210 transitions. [2023-12-02 22:06:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:06:20,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:20,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:06:20,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:06:30,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3661 states and 5208 transitions. [2023-12-02 22:06:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5208 transitions. [2023-12-02 22:06:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:06:30,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:30,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:06:30,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:06:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 3661 states and 5204 transitions. [2023-12-02 22:06:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5204 transitions. [2023-12-02 22:06:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:06:30,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:31,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:06:31,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:06:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 3661 states and 5202 transitions. [2023-12-02 22:06:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5202 transitions. [2023-12-02 22:06:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:06:31,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:31,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:31,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:06:31,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:06:41,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:51,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:01,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:11,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 3664 states and 5204 transitions. [2023-12-02 22:07:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5204 transitions. [2023-12-02 22:07:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:07:11,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:12,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:12,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:07:22,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:32,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:42,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:52,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:07:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 3649 states and 5185 transitions. [2023-12-02 22:07:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 5185 transitions. [2023-12-02 22:07:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 22:07:52,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:52,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:52,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:07:52,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3649 states and 5184 transitions. [2023-12-02 22:07:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 5184 transitions. [2023-12-02 22:07:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:07:52,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:52,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:53,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:53,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3657 states and 5194 transitions. [2023-12-02 22:07:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 5194 transitions. [2023-12-02 22:07:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:07:53,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:08:03,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:08:03,858 INFO L158 Benchmark]: Toolchain (without parser) took 308154.60ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 138.9MB in the beginning and 145.6MB in the end (delta: -6.8MB). Peak memory consumption was 188.2MB. Max. memory is 16.1GB. [2023-12-02 22:08:03,859 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:03,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.48ms. Allocated memory is still 174.1MB. Free memory was 138.9MB in the beginning and 83.1MB in the end (delta: 55.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 22:08:03,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 235.40ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 116.2MB in the end (delta: -33.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-12-02 22:08:03,860 INFO L158 Benchmark]: Boogie Preprocessor took 212.69ms. Allocated memory is still 174.1MB. Free memory was 116.2MB in the beginning and 85.2MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 22:08:03,861 INFO L158 Benchmark]: RCFGBuilder took 6551.76ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 85.2MB in the beginning and 111.4MB in the end (delta: -26.3MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2023-12-02 22:08:03,861 INFO L158 Benchmark]: CodeCheck took 300204.49ms. Allocated memory is still 364.9MB. Free memory was 111.4MB in the beginning and 145.6MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:03,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.48ms. Allocated memory is still 174.1MB. Free memory was 138.9MB in the beginning and 83.1MB in the end (delta: 55.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 235.40ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 116.2MB in the end (delta: -33.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.69ms. Allocated memory is still 174.1MB. Free memory was 116.2MB in the beginning and 85.2MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6551.76ms. Allocated memory was 174.1MB in the beginning and 364.9MB in the end (delta: 190.8MB). Free memory was 85.2MB in the beginning and 111.4MB in the end (delta: -26.3MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. * CodeCheck took 300204.49ms. Allocated memory is still 364.9MB. Free memory was 111.4MB in the beginning and 145.6MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:08:04,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:05,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:05,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-02 22:08:05,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:05,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:05,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:05,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:05,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:05,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:08:05,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:08:05,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:08:05,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:05,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:05,787 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:08:05,787 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:08:05,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:05,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:05,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:08:05,789 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:08:05,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:08:05,791 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:08:05,792 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:08:05,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:05,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:05,794 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:05,794 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:05,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:05,795 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:05,796 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:05,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:05,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:05,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:05,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:05,797 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:08:05,798 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:05,798 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:08:05,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:05,798 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 [2023-12-02 22:08:06,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:06,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:06,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:06,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:06,101 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:06,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-12-02 22:08:08,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:09,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:09,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-12-02 22:08:09,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/e8f533de8/f50113fbbe86426fabf97b59970e1477/FLAGc103f2cb2 [2023-12-02 22:08:09,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/data/e8f533de8/f50113fbbe86426fabf97b59970e1477 [2023-12-02 22:08:09,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:09,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:09,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:09,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:09,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:09,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebcfe92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09, skipping insertion in model container [2023-12-02 22:08:09,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:10,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:10,048 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:08:10,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:10,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:10,192 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:10,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:10,335 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:10,342 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:10,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10 WrapperNode [2023-12-02 22:08:10,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:10,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:10,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:10,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:10,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,573 INFO L138 Inliner]: procedures = 180, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 5885 [2023-12-02 22:08:10,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:10,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:10,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:10,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:10,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:10,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:10,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:10,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:10,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:10,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:10,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:08:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:08:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:08:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:08:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:08:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:08:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:11,067 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:11,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:08:30,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:08:30,937 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:08:30,938 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-02 22:08:30,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:30 BoogieIcfgContainer [2023-12-02 22:08:30,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:08:30,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:08:30,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:08:30,950 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:08:30,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:30" (1/1) ... [2023-12-02 22:08:30,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:08:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 3598 states and 5169 transitions. [2023-12-02 22:08:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5169 transitions. [2023-12-02 22:08:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:08:31,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:31,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:31,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:31,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:31,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:08:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:31,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:31,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:31,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:31,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:08:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3598 states and 5167 transitions. [2023-12-02 22:08:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5167 transitions. [2023-12-02 22:08:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:08:31,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:31,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:31,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:31,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:31,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:08:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:31,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:31,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:08:31,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:31,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:08:31,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:08:31,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:08:31,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 22:08:31,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:08:31,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 22:08:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:31,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-02 22:08:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 3600 states and 5170 transitions. [2023-12-02 22:08:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5170 transitions. [2023-12-02 22:08:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:08:32,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:32,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:32,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:32,433 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:32,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:08:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:32,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:32,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:32,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:32,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:08:32,862 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:08:32,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3600 states and 5168 transitions. [2023-12-02 22:08:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5168 transitions. [2023-12-02 22:08:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:08:32,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:32,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:32,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:32,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:32,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:08:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:33,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:33,309 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:08:33,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:08:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3600 states and 5164 transitions. [2023-12-02 22:08:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5164 transitions. [2023-12-02 22:08:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:08:33,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:33,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:33,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:33,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:33,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:08:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:33,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:33,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:08:33,841 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:08:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 3600 states and 5158 transitions. [2023-12-02 22:08:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5158 transitions. [2023-12-02 22:08:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:08:33,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:33,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:33,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:33,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:33,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:08:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:34,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:34,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:34,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:34,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:08:34,443 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:08:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 3600 states and 5150 transitions. [2023-12-02 22:08:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5150 transitions. [2023-12-02 22:08:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:08:35,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:35,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:35,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:35,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:35,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:08:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:35,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:35,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:08:35,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:36,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:08:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 3613 states and 5165 transitions. [2023-12-02 22:08:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5165 transitions. [2023-12-02 22:08:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:08:37,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:37,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:37,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:37,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:37,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:08:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:38,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:38,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:38,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:38,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:08:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3613 states and 5163 transitions. [2023-12-02 22:08:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5163 transitions. [2023-12-02 22:08:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:08:38,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:38,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:38,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:38,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:38,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:08:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:38,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:38,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:08:38,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:38,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:08:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3613 states and 5161 transitions. [2023-12-02 22:08:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5161 transitions. [2023-12-02 22:08:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:08:38,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:38,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:38,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:38,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:08:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:39,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:39,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:08:39,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:39,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 22:08:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3616 states and 5163 transitions. [2023-12-02 22:08:39,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5163 transitions. [2023-12-02 22:08:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:08:39,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:39,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:39,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:39,807 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:39,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:08:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:40,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:40,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:08:40,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:40,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:08:49,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3617 states and 5164 transitions. [2023-12-02 22:08:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5164 transitions. [2023-12-02 22:08:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:08:49,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:49,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:49,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:49,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:08:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:08:50,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:50,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:09:00,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 3618 states and 5165 transitions. [2023-12-02 22:09:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5165 transitions. [2023-12-02 22:09:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:09:00,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:00,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:00,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:00,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:00,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:09:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:01,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:01,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:09:01,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:01,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:01,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:01,923 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:09:01,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 22:09:01,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:09:01,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 22:09:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:02,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:09:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3620 states and 5168 transitions. [2023-12-02 22:09:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 5168 transitions. [2023-12-02 22:09:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:09:02,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:02,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:02,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:02,153 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:02,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:09:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:02,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:03,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:03,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:03,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:09:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3619 states and 5163 transitions. [2023-12-02 22:09:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5163 transitions. [2023-12-02 22:09:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:09:03,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:03,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:03,191 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:09:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:03,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:04,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:04,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:04,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:09:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 3619 states and 5159 transitions. [2023-12-02 22:09:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5159 transitions. [2023-12-02 22:09:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 22:09:04,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:04,223 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:04,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:09:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:05,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:05,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:05,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:05,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 22:09:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5157 states to 3619 states and 5157 transitions. [2023-12-02 22:09:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5157 transitions. [2023-12-02 22:09:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:09:05,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:05,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:05,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:05,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:05,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:09:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:06,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:06,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:06,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:06,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:09:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 3619 states and 5155 transitions. [2023-12-02 22:09:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5155 transitions. [2023-12-02 22:09:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:09:06,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:06,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:06,484 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:06,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:09:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:07,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:07,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:09:07,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:09:07,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:09:17,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:27,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:37,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:47,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:50,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:52,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:09:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 3665 states and 5214 transitions. [2023-12-02 22:09:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5214 transitions. [2023-12-02 22:09:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:09:55,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:55,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:55,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:55,134 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:09:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:56,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:56,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:56,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:56,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:09:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 3665 states and 5212 transitions. [2023-12-02 22:09:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5212 transitions. [2023-12-02 22:09:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:09:56,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:56,419 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:56,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:09:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:57,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:57,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:09:57,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:09:57,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:09:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3665 states and 5208 transitions. [2023-12-02 22:09:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5208 transitions. [2023-12-02 22:09:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:09:57,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:57,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:57,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:57,740 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:57,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:09:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:58,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:59,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:09:59,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:09:59,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:09:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3648 states and 5187 transitions. [2023-12-02 22:09:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5187 transitions. [2023-12-02 22:09:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:09:59,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:59,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:59,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:59,349 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:59,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:10:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:00,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:00,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:10:00,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:10:01,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:10:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3651 states and 5189 transitions. [2023-12-02 22:10:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 5189 transitions. [2023-12-02 22:10:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:10:01,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:01,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:01,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:01,040 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:01,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:10:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:02,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:02,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:10:02,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:10:02,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:12,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3651 states and 5187 transitions. [2023-12-02 22:10:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 5187 transitions. [2023-12-02 22:10:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 22:10:12,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:12,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:12,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:12,485 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:12,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:10:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:13,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:14,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:10:14,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:10:14,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 3651 states and 5186 transitions. [2023-12-02 22:10:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 5186 transitions. [2023-12-02 22:10:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:10:14,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:14,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:14,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:14,268 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:10:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:15,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:16,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:10:16,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:10:16,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3652 states and 5184 transitions. [2023-12-02 22:10:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5184 transitions. [2023-12-02 22:10:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:10:17,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:17,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:17,070 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:17,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:10:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:18,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:18,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:10:18,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:10:19,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:10:29,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 3653 states and 5185 transitions. [2023-12-02 22:10:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 5185 transitions. [2023-12-02 22:10:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 22:10:29,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:29,904 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:29,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:10:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:31,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:31,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:10:31,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:10:31,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:10:42,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 3654 states and 5186 transitions. [2023-12-02 22:10:42,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5186 transitions. [2023-12-02 22:10:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:10:42,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:42,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:42,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:42,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:42,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:10:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:43,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:44,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:10:44,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:10:44,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:10:55,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:10:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3655 states and 5187 transitions. [2023-12-02 22:10:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 5187 transitions. [2023-12-02 22:10:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:10:55,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:55,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:55,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:55,485 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:55,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:10:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:56,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:57,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:10:57,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:10:57,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:10:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 3656 states and 5188 transitions. [2023-12-02 22:10:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 5188 transitions. [2023-12-02 22:10:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:10:58,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:58,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:58,450 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:58,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:11:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:00,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:00,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:11:00,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:11:00,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:11:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3657 states and 5189 transitions. [2023-12-02 22:11:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 5189 transitions. [2023-12-02 22:11:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 22:11:01,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:01,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:01,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:01,648 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:01,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:11:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:03,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:03,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:11:03,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:11:03,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:11:14,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:11:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3658 states and 5190 transitions. [2023-12-02 22:11:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 5190 transitions. [2023-12-02 22:11:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:11:14,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:14,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:14,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:14,920 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:14,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:11:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:11:16,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:11:17,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:11:26,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:11:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3659 states and 5191 transitions. [2023-12-02 22:11:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5191 transitions. [2023-12-02 22:11:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:11:26,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:26,996 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:11:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:28,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:29,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:11:29,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 22:11:29,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:11:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 3660 states and 5192 transitions. [2023-12-02 22:11:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5192 transitions. [2023-12-02 22:11:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:11:30,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:30,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:30,561 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:30,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:11:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:32,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:32,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:11:32,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 22:11:32,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:11:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3661 states and 5193 transitions. [2023-12-02 22:11:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5193 transitions. [2023-12-02 22:11:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 22:11:34,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:34,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:34,097 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:11:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:35,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:36,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:11:36,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 22:11:36,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 22:11:46,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:11:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3662 states and 5194 transitions. [2023-12-02 22:11:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 5194 transitions. [2023-12-02 22:11:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 22:11:46,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:46,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:46,413 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:11:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:11:48,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 22:11:49,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:12:00,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3663 states and 5195 transitions. [2023-12-02 22:12:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5195 transitions. [2023-12-02 22:12:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 22:12:00,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:00,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:00,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:00,528 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:00,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:12:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:02,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:02,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:12:02,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:12:03,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:12:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3664 states and 5196 transitions. [2023-12-02 22:12:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5196 transitions. [2023-12-02 22:12:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 22:12:04,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:04,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:04,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:04,658 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:04,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:12:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:06,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:07,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:12:07,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:12:07,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:12:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 3665 states and 5197 transitions. [2023-12-02 22:12:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5197 transitions. [2023-12-02 22:12:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 22:12:09,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:09,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:09,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:09,031 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:09,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:12:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:11,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:11,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:12:11,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:12:12,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:12:20,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 3666 states and 5198 transitions. [2023-12-02 22:12:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 5198 transitions. [2023-12-02 22:12:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 22:12:20,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:20,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:20,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:20,191 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:20,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:12:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:23,125 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:12:23,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:12:34,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 3667 states and 5199 transitions. [2023-12-02 22:12:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3667 states and 5199 transitions. [2023-12-02 22:12:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:12:34,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:34,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:34,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:34,813 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:34,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:12:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:37,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:37,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:12:37,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 22:12:37,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:12:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 3668 states and 5200 transitions. [2023-12-02 22:12:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 5200 transitions. [2023-12-02 22:12:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 22:12:39,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:39,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:39,579 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:39,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:12:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:41,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:12:42,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 22:12:42,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:12:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 3669 states and 5201 transitions. [2023-12-02 22:12:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 5201 transitions. [2023-12-02 22:12:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:12:44,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:44,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:44,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:44,340 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:44,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:12:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:46,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:47,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:12:47,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 22:12:47,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-02 22:12:59,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 3670 states and 5202 transitions. [2023-12-02 22:12:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 5202 transitions. [2023-12-02 22:12:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:12:59,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:59,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:59,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:59,418 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:13:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:01,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:02,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:13:02,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 22:13:02,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:13:14,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 3671 states and 5203 transitions. [2023-12-02 22:13:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 5203 transitions. [2023-12-02 22:13:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 22:13:14,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:14,620 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:13:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:17,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:17,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:13:17,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:13:18,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 22:13:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 3672 states and 5204 transitions. [2023-12-02 22:13:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5204 transitions. [2023-12-02 22:13:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 22:13:20,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:20,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:20,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:20,135 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:20,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:13:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:22,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:23,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:13:23,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:13:23,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:13:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 3673 states and 5205 transitions. [2023-12-02 22:13:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 5205 transitions. [2023-12-02 22:13:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 22:13:25,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:25,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:25,749 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:25,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:13:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:28,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:28,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:13:28,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:13:29,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:13:41,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 3674 states and 5206 transitions. [2023-12-02 22:13:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5206 transitions. [2023-12-02 22:13:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 22:13:41,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:41,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:41,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:41,573 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:41,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:13:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:44,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:44,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:13:44,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:13:45,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:13:57,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 3675 states and 5207 transitions. [2023-12-02 22:13:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 5207 transitions. [2023-12-02 22:13:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 22:13:57,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:57,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:57,455 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:57,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:14:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:00,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:00,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:14:00,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 22:14:01,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:14:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3676 states and 5208 transitions. [2023-12-02 22:14:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5208 transitions. [2023-12-02 22:14:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 22:14:03,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:03,398 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:03,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:14:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:06,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:06,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:14:06,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 22:14:07,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:14:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5209 states to 3677 states and 5209 transitions. [2023-12-02 22:14:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 5209 transitions. [2023-12-02 22:14:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 22:14:09,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:09,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:09,397 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:09,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:14:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:12,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:12,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:14:12,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 22:14:13,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-02 22:14:25,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:14:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5210 states to 3678 states and 5210 transitions. [2023-12-02 22:14:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 5210 transitions. [2023-12-02 22:14:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 22:14:25,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:25,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:25,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:25,772 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:25,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:14:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:28,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:29,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:14:29,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 22:14:29,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:14:42,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:14:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 3679 states and 5211 transitions. [2023-12-02 22:14:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 5211 transitions. [2023-12-02 22:14:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 22:14:42,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:42,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:42,412 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:14:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:45,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:46,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:14:46,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 22:14:46,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:14:49,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 3680 states and 5212 transitions. [2023-12-02 22:14:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5212 transitions. [2023-12-02 22:14:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 22:14:49,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:49,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:49,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:49,169 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:49,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:14:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:52,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:52,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:14:52,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 22:14:53,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-02 22:14:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 3681 states and 5213 transitions. [2023-12-02 22:14:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5213 transitions. [2023-12-02 22:14:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 22:14:55,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:55,913 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:55,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:14:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:58,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:59,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:14:59,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 22:15:00,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:15:12,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:15:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 3682 states and 5214 transitions. [2023-12-02 22:15:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 5214 transitions. [2023-12-02 22:15:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 22:15:12,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:12,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:12,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:12,949 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:12,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:15:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:16,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:16,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:15:16,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 22:15:17,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:15:30,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:15:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:30,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5215 states to 3683 states and 5215 transitions. [2023-12-02 22:15:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 5215 transitions. [2023-12-02 22:15:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 22:15:30,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:30,141 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:30,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:15:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:33,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:33,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:15:33,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 22:15:34,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:15:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 3684 states and 5216 transitions. [2023-12-02 22:15:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 5216 transitions. [2023-12-02 22:15:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 22:15:37,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:37,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:37,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:37,411 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:37,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:15:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:40,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:41,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:15:41,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 22:15:41,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:15:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 3685 states and 5217 transitions. [2023-12-02 22:15:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5217 transitions. [2023-12-02 22:15:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 22:15:44,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:44,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:44,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:44,766 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:44,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:15:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:48,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:49,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:15:49,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 22:15:49,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:16:02,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:16:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 3686 states and 5218 transitions. [2023-12-02 22:16:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5218 transitions. [2023-12-02 22:16:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 22:16:02,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:02,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:02,783 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:02,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:16:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:06,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:06,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:16:06,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 22:16:07,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 22:16:20,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:16:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 3687 states and 5219 transitions. [2023-12-02 22:16:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5219 transitions. [2023-12-02 22:16:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 22:16:20,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:20,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:20,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:20,484 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:20,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:16:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:24,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:24,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:16:24,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 22:16:25,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:16:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 3688 states and 5220 transitions. [2023-12-02 22:16:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5220 transitions. [2023-12-02 22:16:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 22:16:28,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:28,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:28,489 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:16:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:32,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:32,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:16:32,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 22:16:33,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:16:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 3689 states and 5221 transitions. [2023-12-02 22:16:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 5221 transitions. [2023-12-02 22:16:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 22:16:36,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:36,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:36,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:36,738 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:36,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:16:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:40,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:40,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:16:40,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 22:16:41,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:16:55,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:16:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5222 states to 3690 states and 5222 transitions. [2023-12-02 22:16:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5222 transitions. [2023-12-02 22:16:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 22:16:55,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:55,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:55,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:55,108 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:55,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402ab35d-da2d-4c62-acaa-406c304c9aea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process