./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/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_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:20:15,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:20:15,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:20:15,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:20:15,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:20:15,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:20:15,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:20:15,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:20:15,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:20:15,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:20:15,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:20:15,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:20:15,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:20:15,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:20:15,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:20:15,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:20:15,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:20:15,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:20:15,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:20:15,380 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:20:15,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:20:15,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:20:15,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:20:15,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:20:15,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:20:15,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:20:15,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:20:15,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:20:15,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:15,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:20:15,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:20:15,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:20:15,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:20:15,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:20:15,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:20:15,385 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_f67b004f-9493-43a6-b9fc-b3920408c6fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 04:20:15,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:20:15,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:20:15,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:20:15,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:20:15,632 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:20:15,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 04:20:18,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:20:18,634 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:20:18,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 04:20:18,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/e5909f800/c03130d2143b4bb7a8e372d683d84801/FLAG8e213e7cc [2023-12-03 04:20:18,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/e5909f800/c03130d2143b4bb7a8e372d683d84801 [2023-12-03 04:20:18,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:20:18,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:20:18,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:18,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:20:18,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:20:18,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:18" (1/1) ... [2023-12-03 04:20:18,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4599b59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:18, skipping insertion in model container [2023-12-03 04:20:18,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:18" (1/1) ... [2023-12-03 04:20:18,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:19,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:19,220 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:20:19,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:19,348 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:20:19,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19 WrapperNode [2023-12-03 04:20:19,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:19,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:19,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:20:19,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:20:19,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,463 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-12-03 04:20:19,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:19,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:20:19,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:20:19,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:20:19,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:20:19,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:20:19,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:20:19,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:20:19,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:19" (1/1) ... [2023-12-03 04:20:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:19,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:20:19,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:20:19,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:20:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:20:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:20:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:20:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:20:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:20:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:20:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:20:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:20:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:20:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:20:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:20:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:20:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:20:19,940 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:20:19,942 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:20:21,702 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:20:23,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:20:23,434 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:20:23,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:23 BoogieIcfgContainer [2023-12-03 04:20:23,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:20:23,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:20:23,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:20:23,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:20:23,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:23" (1/1) ... [2023-12-03 04:20:23,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:20:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-12-03 04:20:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-12-03 04:20:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:20:23,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2023-12-03 04:20:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2023-12-03 04:20:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:20:23,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:23,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:20:23,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-12-03 04:20:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-12-03 04:20:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:20:23,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:23,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:23,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:23,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-12-03 04:20:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-12-03 04:20:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:20:23,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:23,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:24,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:24,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-12-03 04:20:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-12-03 04:20:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:20:24,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:24,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:24,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-12-03 04:20:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-12-03 04:20:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:20:24,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:24,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:24,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:34,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:44,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-03 04:20:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-03 04:20:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:20:44,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:44,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:45,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:20:45,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:55,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:05,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:15,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:25,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:35,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:45,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:55,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:05,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 200 states and 276 transitions. [2023-12-03 04:22:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 276 transitions. [2023-12-03 04:22:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:22:06,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:22:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:06,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:22:06,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:22:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 200 states and 274 transitions. [2023-12-03 04:22:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 274 transitions. [2023-12-03 04:22:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:22:06,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:22:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:06,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:22:06,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:22:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 200 states and 272 transitions. [2023-12-03 04:22:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 272 transitions. [2023-12-03 04:22:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:22:06,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:22:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:07,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:07,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:22:17,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:27,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:37,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:47,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:58,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:08,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:18,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:28,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 253 states and 337 transitions. [2023-12-03 04:23:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 337 transitions. [2023-12-03 04:23:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:23:28,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:28,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:28,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:28,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 253 states and 335 transitions. [2023-12-03 04:23:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 335 transitions. [2023-12-03 04:23:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:23:28,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:29,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:29,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 253 states and 333 transitions. [2023-12-03 04:23:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 333 transitions. [2023-12-03 04:23:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:23:29,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:29,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:29,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:29,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:39,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 253 states and 331 transitions. [2023-12-03 04:23:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 331 transitions. [2023-12-03 04:23:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:23:39,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:39,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:40,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:40,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:50,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 253 states and 329 transitions. [2023-12-03 04:23:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2023-12-03 04:23:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:23:50,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:50,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:50,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:50,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:24:00,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:10,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:20,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:30,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 256 states and 331 transitions. [2023-12-03 04:24:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 331 transitions. [2023-12-03 04:24:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:24:30,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:31,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:24:31,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:24:41,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:51,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:01,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:11,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:21,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:32,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:42,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:52,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 295 states and 379 transitions. [2023-12-03 04:25:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 379 transitions. [2023-12-03 04:25:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:25:52,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:52,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:52,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:52,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:26:02,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:12,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:22,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:32,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 298 states and 381 transitions. [2023-12-03 04:26:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 381 transitions. [2023-12-03 04:26:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:26:32,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:32,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:33,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:26:33,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:26:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:33,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 298 states and 379 transitions. [2023-12-03 04:26:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 379 transitions. [2023-12-03 04:26:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:26:33,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:33,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:33,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:33,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:26:43,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:53,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:04,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:14,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 301 states and 381 transitions. [2023-12-03 04:27:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 381 transitions. [2023-12-03 04:27:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:27:14,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:14,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:14,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:14,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:27:24,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:34,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:44,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:54,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 304 states and 383 transitions. [2023-12-03 04:27:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 383 transitions. [2023-12-03 04:27:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:27:54,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:55,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:27:55,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:28:05,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:15,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:25,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:35,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 307 states and 385 transitions. [2023-12-03 04:28:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 385 transitions. [2023-12-03 04:28:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:28:35,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:35,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:35,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:28:35,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:28:46,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:56,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:06,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:16,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 310 states and 387 transitions. [2023-12-03 04:29:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 387 transitions. [2023-12-03 04:29:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:16,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:16,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:16,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:16,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:16,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 310 states and 386 transitions. [2023-12-03 04:29:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 386 transitions. [2023-12-03 04:29:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:16,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:17,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:17,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 319 states and 396 transitions. [2023-12-03 04:29:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 396 transitions. [2023-12-03 04:29:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:29:17,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:17,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:17,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 328 states and 407 transitions. [2023-12-03 04:29:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 407 transitions. [2023-12-03 04:29:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:18,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:18,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:18,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 337 states and 417 transitions. [2023-12-03 04:29:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2023-12-03 04:29:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:29:18,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:18,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:18,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:18,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 346 states and 427 transitions. [2023-12-03 04:29:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 427 transitions. [2023-12-03 04:29:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:29:19,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:19,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:19,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 355 states and 438 transitions. [2023-12-03 04:29:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 438 transitions. [2023-12-03 04:29:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:29:19,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:20,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:20,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 364 states and 448 transitions. [2023-12-03 04:29:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 448 transitions. [2023-12-03 04:29:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:29:20,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:20,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:20,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:29:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2023-12-03 04:29:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2023-12-03 04:29:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:29:22,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:22,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:29:22,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:29:32,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:42,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:52,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:03,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 379 states and 467 transitions. [2023-12-03 04:30:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 467 transitions. [2023-12-03 04:30:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:30:03,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:03,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:30:03,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:30:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 388 states and 477 transitions. [2023-12-03 04:30:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 477 transitions. [2023-12-03 04:30:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:30:03,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:03,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:04,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:30:04,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:30:14,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:24,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:34,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:44,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:30:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 391 states and 479 transitions. [2023-12-03 04:30:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 479 transitions. [2023-12-03 04:30:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 04:30:44,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:30:54,846 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:30:54,849 INFO L158 Benchmark]: Toolchain (without parser) took 636179.00ms. Allocated memory was 165.7MB in the beginning and 289.4MB in the end (delta: 123.7MB). Free memory was 118.4MB in the beginning and 174.9MB in the end (delta: -56.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,849 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:30:54,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.66ms. Allocated memory is still 165.7MB. Free memory was 117.8MB in the beginning and 81.2MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.60ms. Allocated memory is still 165.7MB. Free memory was 80.6MB in the beginning and 70.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,851 INFO L158 Benchmark]: Boogie Preprocessor took 187.90ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 70.1MB in the beginning and 182.2MB in the end (delta: -112.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,851 INFO L158 Benchmark]: RCFGBuilder took 3783.25ms. Allocated memory was 222.3MB in the beginning and 289.4MB in the end (delta: 67.1MB). Free memory was 182.2MB in the beginning and 221.6MB in the end (delta: -39.4MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,852 INFO L158 Benchmark]: CodeCheck took 631411.08ms. Allocated memory is still 289.4MB. Free memory was 221.6MB in the beginning and 174.9MB in the end (delta: 46.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-12-03 04:30:54,854 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 0.19ms. Allocated memory is still 165.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.66ms. Allocated memory is still 165.7MB. Free memory was 117.8MB in the beginning and 81.2MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.60ms. Allocated memory is still 165.7MB. Free memory was 80.6MB in the beginning and 70.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.90ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 70.1MB in the beginning and 182.2MB in the end (delta: -112.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3783.25ms. Allocated memory was 222.3MB in the beginning and 289.4MB in the end (delta: 67.1MB). Free memory was 182.2MB in the beginning and 221.6MB in the end (delta: -39.4MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. * CodeCheck took 631411.08ms. Allocated memory is still 289.4MB. Free memory was 221.6MB in the beginning and 174.9MB in the end (delta: 46.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:30:55,063 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:30:55,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/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_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:30:56,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:30:56,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:30:56,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:30:56,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:30:56,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:30:56,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:30:56,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:30:56,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:30:56,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:30:56,969 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:30:56,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:30:56,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:30:56,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:30:56,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:30:56,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:30:56,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:30:56,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:30:56,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:30:56,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:30:56,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:30:56,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:30:56,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:30:56,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:30:56,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:30:56,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:30:56,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:30:56,979 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:56,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:30:56,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:30:56,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:30:56,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:30:56,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:30:56,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:30:56,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:30:56,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:56,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:30:56,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:30:56,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:30:56,983 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_f67b004f-9493-43a6-b9fc-b3920408c6fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 04:30:57,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:30:57,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:30:57,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:30:57,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:30:57,334 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:30:57,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 04:31:00,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:31:00,482 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:31:00,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 04:31:00,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/8d73f2809/8429870203ff41cbace8e85598fe7d9a/FLAG247984217 [2023-12-03 04:31:00,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/data/8d73f2809/8429870203ff41cbace8e85598fe7d9a [2023-12-03 04:31:00,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:31:00,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:31:00,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:31:00,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:31:00,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:31:00,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:31:00" (1/1) ... [2023-12-03 04:31:00,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cca06fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:00, skipping insertion in model container [2023-12-03 04:31:00,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:31:00" (1/1) ... [2023-12-03 04:31:00,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:31:01,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:31:01,136 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:31:01,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:31:01,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:31:01,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:31:01,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:31:01,394 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:31:01,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01 WrapperNode [2023-12-03 04:31:01,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:31:01,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:31:01,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:31:01,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:31:01,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,505 INFO L138 Inliner]: procedures = 180, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1426 [2023-12-03 04:31:01,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:31:01,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:31:01,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:31:01,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:31:01,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:31:01,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:31:01,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:31:01,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:31:01,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:31:01,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:31:01,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:31:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:31:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:31:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:31:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:31:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:31:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:31:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:31:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:31:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:31:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:31:02,006 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:31:02,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:31:33,661 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:31:34,263 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:31:34,263 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:31:34,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:34 BoogieIcfgContainer [2023-12-03 04:31:34,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:31:34,266 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:31:34,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:31:34,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:31:34,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:34" (1/1) ... [2023-12-03 04:31:34,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:31:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-12-03 04:31:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-12-03 04:31:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:31:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:34,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:34,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:31:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:34,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:34,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:31:34,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:35,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:36,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-12-03 04:31:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-12-03 04:31:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:31:36,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:36,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:36,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:31:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:36,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:37,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:31:37,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:31:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2023-12-03 04:31:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2023-12-03 04:31:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:31:37,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:37,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:37,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:37,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:37,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:31:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:37,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:37,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:37,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:37,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:31:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-12-03 04:31:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-12-03 04:31:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:31:37,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:37,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:37,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:37,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:37,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:31:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:37,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:38,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:38,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:31:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-12-03 04:31:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-12-03 04:31:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:31:38,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:38,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:38,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:38,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:38,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:31:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,492 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:38,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:38,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:31:38,681 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:31:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-12-03 04:31:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-12-03 04:31:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:31:38,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:38,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:38,696 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:38,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:31:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:39,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:39,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:39,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:39,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:41,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-03 04:31:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-03 04:31:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:31:41,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:41,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:41,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:41,556 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:41,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:31:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:42,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:42,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:42,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:42,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:31:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 162 states and 229 transitions. [2023-12-03 04:31:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2023-12-03 04:31:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:31:43,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:43,201 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:31:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:43,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:44,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:44,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:44,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:31:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 162 states and 227 transitions. [2023-12-03 04:31:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2023-12-03 04:31:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:31:44,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:44,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:44,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:44,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:31:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:44,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:45,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:45,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:45,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:31:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 162 states and 225 transitions. [2023-12-03 04:31:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 225 transitions. [2023-12-03 04:31:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:31:45,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:45,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:45,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:45,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:45,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:31:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:45,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:46,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:46,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:46,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 162 states and 223 transitions. [2023-12-03 04:31:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 223 transitions. [2023-12-03 04:31:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:31:46,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:46,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:46,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:46,115 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:31:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:46,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:47,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:47,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:47,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:31:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 165 states and 225 transitions. [2023-12-03 04:31:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2023-12-03 04:31:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:31:47,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:47,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:47,439 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:47,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:31:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:48,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:48,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:48,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:49,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:31:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 211 states and 282 transitions. [2023-12-03 04:31:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2023-12-03 04:31:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:31:53,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:53,913 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:53,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:31:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:54,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:55,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:55,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:55,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:31:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2023-12-03 04:31:55,255 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2023-12-03 04:31:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:31:55,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:55,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:55,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:55,257 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:31:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:56,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:56,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:56,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:56,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:31:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 211 states and 278 transitions. [2023-12-03 04:31:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 278 transitions. [2023-12-03 04:31:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:31:56,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:56,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:56,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:56,560 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:31:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:57,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:57,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:57,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:31:57,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 211 states and 276 transitions. [2023-12-03 04:31:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 276 transitions. [2023-12-03 04:31:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:31:57,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:57,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:57,982 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:57,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:31:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:59,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:59,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:59,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:31:59,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:32:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 214 states and 278 transitions. [2023-12-03 04:32:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 278 transitions. [2023-12-03 04:32:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:32:00,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:00,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:00,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:00,046 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:00,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:32:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:01,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:01,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:32:01,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:32:01,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:32:11,638 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 [] [2023-12-03 04:32:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 276 transitions. [2023-12-03 04:32:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 276 transitions. [2023-12-03 04:32:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:32:11,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:11,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:11,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:32:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:12,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:13,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:13,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:13,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 04:32:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 217 states and 278 transitions. [2023-12-03 04:32:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 278 transitions. [2023-12-03 04:32:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:32:13,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:13,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:13,900 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:13,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:32:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:15,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:15,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:32:15,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:32:15,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:32:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 217 states and 277 transitions. [2023-12-03 04:32:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 277 transitions. [2023-12-03 04:32:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:32:15,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:15,739 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:15,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:32:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:17,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:32:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:17,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:32:17,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:32:18,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:32:28,527 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 [] [2023-12-03 04:32:38,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:48,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:58,602 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 [] [2023-12-03 04:32:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 226 states and 288 transitions. [2023-12-03 04:32:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 288 transitions. [2023-12-03 04:32:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:32:58,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:32:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:32:58,646 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:32:58,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:32:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:59,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:00,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:00,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:33:00,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:33:02,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:04,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:06,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:07,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:08,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:10,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:11,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:11,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:11,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:11,997 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:11,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:33:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:13,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:13,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:13,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:14,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:33:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:14,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:14,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:14,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:14,413 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:14,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:33:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:15,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:16,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:16,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:16,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:33:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:16,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:16,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:16,497 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:16,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:33:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:18,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:18,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:18,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:33:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:18,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:18,756 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:18,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:33:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:20,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:20,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:20,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:21,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:21,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:21,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:21,058 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:21,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:33:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:22,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:23,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:23,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:23,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:23,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:23,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:23,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:23,440 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:33:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:25,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:25,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:33:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:25,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:25,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:25,959 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:25,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:33:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:27,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:28,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:28,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:28,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:33:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:28,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:28,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:28,541 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:33:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:30,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:33:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:30,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:30,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:30,900 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:30,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:33:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:32,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:33,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:33,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:33,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:33:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:33,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:33,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:33,504 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:33,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:33:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:35,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:36,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:36,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:36,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:33:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:36,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:36,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:36,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:36,103 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:36,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:33:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:38,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:38,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:38,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:38,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:33:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:38,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:38,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:38,932 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:38,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:33:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:41,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:41,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:33:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:41,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:41,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:41,882 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:41,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:33:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:43,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:44,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:44,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:44,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:33:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:44,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:44,673 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:44,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:33:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:46,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:47,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:47,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:47,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:47,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:47,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:47,577 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:47,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:33:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:49,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:50,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:50,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:50,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:33:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:50,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:50,399 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:50,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:33:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:52,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:53,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:53,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:53,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:33:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:53,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:53,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:53,304 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:53,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:33:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:55,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:56,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:56,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:56,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:33:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:56,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:56,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:56,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:56,286 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:56,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:33:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:58,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:33:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:59,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:59,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:33:59,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 04:33:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:33:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:33:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:33:59,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:59,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:59,480 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:59,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:34:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:02,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:02,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:02,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:34:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:02,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:02,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:02,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:02,695 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:02,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:34:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:05,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:05,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:05,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:06,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:34:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:06,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:06,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:06,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:06,030 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:06,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:34:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:08,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:09,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:09,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:09,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:34:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:09,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:09,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:09,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:09,334 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:09,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:34:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:12,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:12,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:12,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:12,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:34:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:12,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:12,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:12,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:12,815 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:34:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:15,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:16,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:16,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:34:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:16,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:16,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:16,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:16,629 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:16,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:34:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:19,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:19,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:19,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:34:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:20,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:20,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:20,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:20,009 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:20,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:34:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:22,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:23,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:23,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:34:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:23,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:23,288 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:23,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:34:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:26,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:26,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:26,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:26,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:34:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:26,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:26,779 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:26,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:34:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:29,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:30,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:30,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:30,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 04:34:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:30,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:30,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:30,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:30,430 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:30,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:34:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:33,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:34,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:34,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:34,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:34:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:34,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:34,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:34,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:34,494 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:34,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:34:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:37,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:38,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:38,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:38,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:34:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-03 04:34:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-03 04:34:38,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:34:38,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:38,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:34:38,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:34:38,170 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:34:38,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67b004f-9493-43a6-b9fc-b3920408c6fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process