./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:04:22,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:04:22,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:04:22,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:04:22,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:04:22,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:04:22,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:04:22,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:04:22,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:04:22,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:04:22,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:04:22,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:04:22,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:04:22,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:04:22,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:04:22,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:04:22,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:04:22,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:04:22,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:22,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:04:22,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:04:22,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:04:22,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:04:22,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:04:22,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-11-25 03:04:22,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:04:22,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:04:22,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:04:22,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:04:22,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:04:22,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-25 03:04:25,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/e398a6c33/3b1bd6fc74bc4bd8b2bc233a3c10536a/FLAGb9aed0c70 [2024-11-25 03:04:26,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:04:26,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-25 03:04:26,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/e398a6c33/3b1bd6fc74bc4bd8b2bc233a3c10536a/FLAGb9aed0c70 [2024-11-25 03:04:26,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/e398a6c33/3b1bd6fc74bc4bd8b2bc233a3c10536a [2024-11-25 03:04:26,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:04:26,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:04:26,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:04:26,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:04:26,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:04:26,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:26" (1/1) ... [2024-11-25 03:04:26,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4c59c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:26, skipping insertion in model container [2024-11-25 03:04:26,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:26" (1/1) ... [2024-11-25 03:04:26,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:04:26,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-25 03:04:26,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:04:26,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:04:26,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-25 03:04:27,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:04:27,198 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:04:27,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27 WrapperNode [2024-11-25 03:04:27,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:04:27,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:04:27,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:04:27,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:04:27,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:27,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:27,784 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3714 [2024-11-25 03:04:27,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:04:27,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:04:27,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:04:27,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:04:27,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:27,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:27,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:27,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,115 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:04:28,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:04:28,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:04:28,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:04:28,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:27" (1/1) ... [2024-11-25 03:04:28,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:28,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:04:28,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:04:28,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:04:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:04:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:04:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:04:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:04:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:04:29,028 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:04:29,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:04:33,978 INFO L? ?]: Removed 1909 outVars from TransFormulas that were not future-live. [2024-11-25 03:04:33,978 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:04:38,290 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:04:38,292 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-25 03:04:38,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:38 BoogieIcfgContainer [2024-11-25 03:04:38,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:04:38,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:04:38,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:04:38,305 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:04:38,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:38" (1/1) ... [2024-11-25 03:04:38,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:04:38,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-25 03:04:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 03:04:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:04:38,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:04:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:40,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-25 03:04:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-25 03:04:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:04:40,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:04:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-25 03:04:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-25 03:04:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:04:41,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:04:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-25 03:04:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-25 03:04:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:04:42,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:42,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:04:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-25 03:04:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-25 03:04:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:04:43,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:04:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-25 03:04:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-25 03:04:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:04:43,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:04:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-11-25 03:04:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-11-25 03:04:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:04:44,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:04:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-25 03:04:45,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-25 03:04:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:04:45,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:45,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:04:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2024-11-25 03:04:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-25 03:04:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:04:46,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:46,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:04:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-11-25 03:04:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-25 03:04:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:04:46,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:46,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:04:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-25 03:04:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-25 03:04:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:04:47,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-25 03:04:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2024-11-25 03:04:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-25 03:04:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 03:04:55,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-25 03:05:02,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:04,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:06,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2024-11-25 03:05:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-25 03:05:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:05:06,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:06,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-25 03:05:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2024-11-25 03:05:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-11-25 03:05:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:05:08,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:08,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-25 03:05:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2024-11-25 03:05:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-11-25 03:05:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 03:05:09,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:09,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-25 03:05:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:10,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2024-11-25 03:05:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-25 03:05:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 03:05:10,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:10,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:05:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-25 03:05:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-25 03:05:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-25 03:05:11,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:11,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:05:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2024-11-25 03:05:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2024-11-25 03:05:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-25 03:05:13,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 03:05:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2024-11-25 03:05:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-11-25 03:05:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:05:14,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:14,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 03:05:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2024-11-25 03:05:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2024-11-25 03:05:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:05:15,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-25 03:05:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2024-11-25 03:05:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-25 03:05:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 03:05:17,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:17,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-25 03:05:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2024-11-25 03:05:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-11-25 03:05:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-25 03:05:18,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:05:24,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2024-11-25 03:05:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-11-25 03:05:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 03:05:24,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:05:32,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2024-11-25 03:05:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-11-25 03:05:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 03:05:32,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:05:44,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2024-11-25 03:05:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-11-25 03:05:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 03:05:44,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-25 03:05:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-11-25 03:05:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-25 03:05:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:05:47,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:47,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:05:50,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:05:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-11-25 03:05:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-25 03:05:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 03:05:50,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:50,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:05:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-11-25 03:05:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-25 03:05:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-25 03:05:52,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:52,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:05:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2024-11-25 03:05:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-25 03:05:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 03:05:53,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:53,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 03:05:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2024-11-25 03:05:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-11-25 03:05:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-25 03:05:55,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:05:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-11-25 03:05:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-11-25 03:05:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 03:05:56,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:56,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:05:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2024-11-25 03:05:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-25 03:05:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:05:57,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:57,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:05:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2024-11-25 03:05:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-25 03:05:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 03:05:59,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:59,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 03:06:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-11-25 03:06:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-11-25 03:06:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 03:06:00,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:00,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:06:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-11-25 03:06:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-25 03:06:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 03:06:01,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:06:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-11-25 03:06:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-11-25 03:06:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-25 03:06:03,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:06:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2024-11-25 03:06:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2024-11-25 03:06:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 03:06:05,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 03:06:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2024-11-25 03:06:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2024-11-25 03:06:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 03:06:06,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 03:06:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2024-11-25 03:06:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-11-25 03:06:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 03:06:08,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:08,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 03:06:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2024-11-25 03:06:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-11-25 03:06:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 03:06:09,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 03:06:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2024-11-25 03:06:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2024-11-25 03:06:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-25 03:06:11,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 03:06:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-25 03:06:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-25 03:06:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 03:06:12,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:12,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 03:06:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2024-11-25 03:06:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2024-11-25 03:06:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 03:06:13,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:13,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 03:06:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2024-11-25 03:06:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2024-11-25 03:06:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-25 03:06:15,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:15,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 03:06:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2024-11-25 03:06:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2024-11-25 03:06:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 03:06:17,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-25 03:06:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:19,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-11-25 03:06:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-11-25 03:06:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-25 03:06:19,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:19,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 03:06:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2024-11-25 03:06:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-25 03:06:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 03:06:20,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 03:06:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-11-25 03:06:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-11-25 03:06:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 03:06:21,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 03:06:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-11-25 03:06:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-11-25 03:06:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-25 03:06:23,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-25 03:06:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-11-25 03:06:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-11-25 03:06:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 03:06:25,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-25 03:06:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-11-25 03:06:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-11-25 03:06:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 03:06:26,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:26,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-25 03:06:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-11-25 03:06:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-25 03:06:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 03:06:28,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:28,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 03:06:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-11-25 03:06:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-11-25 03:06:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 03:06:29,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 03:06:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-11-25 03:06:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-11-25 03:06:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-25 03:06:30,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 03:06:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-11-25 03:06:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-11-25 03:06:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 03:06:32,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:32,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-25 03:06:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-11-25 03:06:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-11-25 03:06:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 03:06:34,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 03:06:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-11-25 03:06:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-11-25 03:06:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-25 03:06:35,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 03:06:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2024-11-25 03:06:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-25 03:06:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-25 03:06:37,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:37,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 03:06:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-11-25 03:06:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-25 03:06:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 03:06:39,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:39,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-25 03:06:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2024-11-25 03:06:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-11-25 03:06:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-25 03:06:41,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:07:28,565 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:08:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:08:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:08:15,879 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:08:15,884 INFO L158 Benchmark]: Toolchain (without parser) took 229736.00ms. Allocated memory was 142.6MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 105.8MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 998.2MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,885 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:15,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.13ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 50.4MB in the end (delta: 55.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 584.73ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 71.0MB in the end (delta: -20.6MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,886 INFO L158 Benchmark]: Boogie Preprocessor took 633.68ms. Allocated memory was 159.4MB in the beginning and 478.2MB in the end (delta: 318.8MB). Free memory was 71.0MB in the beginning and 368.8MB in the end (delta: -297.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,887 INFO L158 Benchmark]: RCFGBuilder took 9869.31ms. Allocated memory was 478.2MB in the beginning and 989.9MB in the end (delta: 511.7MB). Free memory was 368.5MB in the beginning and 397.2MB in the end (delta: -28.8MB). Peak memory consumption was 622.2MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,887 INFO L158 Benchmark]: CodeCheck took 217590.03ms. Allocated memory was 989.9MB in the beginning and 3.8GB in the end (delta: 2.8GB). Free memory was 397.2MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 442.1MB. Max. memory is 16.1GB. [2024-11-25 03:08:15,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.13ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 50.4MB in the end (delta: 55.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 584.73ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 71.0MB in the end (delta: -20.6MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 633.68ms. Allocated memory was 159.4MB in the beginning and 478.2MB in the end (delta: 318.8MB). Free memory was 71.0MB in the beginning and 368.8MB in the end (delta: -297.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * RCFGBuilder took 9869.31ms. Allocated memory was 478.2MB in the beginning and 989.9MB in the end (delta: 511.7MB). Free memory was 368.5MB in the beginning and 397.2MB in the end (delta: -28.8MB). Peak memory consumption was 622.2MB. Max. memory is 16.1GB. * CodeCheck took 217590.03ms. Allocated memory was 989.9MB in the beginning and 3.8GB in the end (delta: 2.8GB). Free memory was 397.2MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 442.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:08:15,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:08:19,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:08:19,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:08:19,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:08:19,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:08:19,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:08:19,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:08:19,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:08:19,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:08:19,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:08:19,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:08:19,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:08:19,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:08:19,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:08:19,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:08:19,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:08:19,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:08:19,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:08:19,291 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:19,291 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:08:19,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:08:19,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:19,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:08:19,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:08:19,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:08:19,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:08:19,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:19,293 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:08:19,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-11-25 03:08:19,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:08:19,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:08:19,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:08:19,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:08:19,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:08:19,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-25 03:08:22,876 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/dd28e53d9/07d7584646c84c5ba3afd67d6b092845/FLAGdf4e5b9a7 [2024-11-25 03:08:23,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:23,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-25 03:08:23,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/dd28e53d9/07d7584646c84c5ba3afd67d6b092845/FLAGdf4e5b9a7 [2024-11-25 03:08:23,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/data/dd28e53d9/07d7584646c84c5ba3afd67d6b092845 [2024-11-25 03:08:23,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:23,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:23,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:23,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:23,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:23,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:23" (1/1) ... [2024-11-25 03:08:23,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fdf27e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:23, skipping insertion in model container [2024-11-25 03:08:23,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:23" (1/1) ... [2024-11-25 03:08:23,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:23,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-25 03:08:24,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:24,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:24,130 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-25 03:08:24,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:24,382 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:24,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24 WrapperNode [2024-11-25 03:08:24,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:24,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:24,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:24,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:24,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,562 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1575 [2024-11-25 03:08:24,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:24,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:24,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:24,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:24,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:24,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:24,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:24,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:24,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:24" (1/1) ... [2024-11-25 03:08:24,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:24,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:24,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-25 03:08:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:08:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:08:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:08:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:08:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-25 03:08:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:08:25,382 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:25,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:27,207 INFO L? ?]: Removed 1019 outVars from TransFormulas that were not future-live. [2024-11-25 03:08:27,208 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:27,729 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:08:27,730 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-25 03:08:27,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:27 BoogieIcfgContainer [2024-11-25 03:08:27,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:08:27,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:08:27,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:08:27,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:08:27,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:27" (1/1) ... [2024-11-25 03:08:27,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:08:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-25 03:08:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 03:08:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:08:27,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:27,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:27,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:08:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:28,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:28,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:29,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 03:08:29,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:08:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-25 03:08:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-25 03:08:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:08:29,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:29,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:29,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:29,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:29,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:08:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:30,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:30,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:30,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 03:08:30,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:08:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-25 03:08:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-25 03:08:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:08:30,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:30,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:30,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:30,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:30,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:08:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:31,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:31,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:31,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:08:31,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:08:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-25 03:08:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-25 03:08:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:08:31,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:31,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:31,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:31,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:08:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:32,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:32,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:08:32,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:08:32,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:08:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-25 03:08:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-25 03:08:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:08:32,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:32,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:08:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:33,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:34,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:08:34,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:08:34,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:08:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-25 03:08:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-25 03:08:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:08:34,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:34,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:34,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:34,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:34,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:08:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:35,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:35,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:08:35,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 03:08:35,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:08:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-25 03:08:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-25 03:08:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:08:35,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:35,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:35,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:35,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:35,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:08:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:36,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:36,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:08:36,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 03:08:36,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:08:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-11-25 03:08:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-11-25 03:08:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:08:36,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:36,887 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:36,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:08:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:37,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:37,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:08:37,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 03:08:37,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 03:08:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-11-25 03:08:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-25 03:08:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:08:38,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:38,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:38,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:38,099 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:38,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:08:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:38,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:39,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:08:39,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:08:39,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:08:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-11-25 03:08:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-25 03:08:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:08:39,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:39,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:39,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:39,327 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:08:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:40,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:40,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:08:40,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:08:40,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:08:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2024-11-25 03:08:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-25 03:08:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:08:40,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:40,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:40,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:40,684 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:08:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:41,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:41,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:08:41,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 03:08:42,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:08:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2024-11-25 03:08:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-25 03:08:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 03:08:46,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:46,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:46,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:46,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:46,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:08:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:48,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:48,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:48,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-25 03:08:49,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:08:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2024-11-25 03:08:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-25 03:08:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:08:49,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:49,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:49,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:49,469 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:49,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:08:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:51,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:51,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:51,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-25 03:08:51,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:08:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2024-11-25 03:08:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2024-11-25 03:08:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:08:52,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:52,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:52,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:52,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:08:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:53,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:54,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:54,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 03:08:54,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:08:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-11-25 03:08:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-11-25 03:08:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 03:08:54,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:54,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:54,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:54,753 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:54,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:08:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:56,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:57,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:57,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 03:08:57,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:08:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-25 03:08:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-25 03:08:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 03:08:57,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:57,523 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:57,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:08:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:59,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:59,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:08:59,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 03:09:00,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2024-11-25 03:09:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2024-11-25 03:09:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-25 03:09:00,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:00,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:00,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:00,379 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:00,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:09:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:02,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:02,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:02,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 03:09:02,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:09:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-11-25 03:09:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-25 03:09:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-25 03:09:03,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:03,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:03,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:03,273 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:03,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:09:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:05,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:05,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:05,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-25 03:09:05,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:09:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2024-11-25 03:09:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-25 03:09:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:09:06,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:06,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:06,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:06,235 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:09:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:08,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:08,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:08,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-25 03:09:09,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-11-25 03:09:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-11-25 03:09:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:09:09,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:09,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:09,422 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:09,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:09:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:11,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:12,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:12,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 03:09:12,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:09:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2024-11-25 03:09:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-11-25 03:09:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 03:09:12,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:12,879 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:12,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:09:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:15,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-25 03:09:16,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:09:16,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2024-11-25 03:09:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2024-11-25 03:09:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-25 03:09:16,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:16,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:16,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:16,430 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:09:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:18,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:19,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:19,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-25 03:09:19,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:09:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2024-11-25 03:09:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-11-25 03:09:20,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 03:09:20,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:20,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:20,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:20,215 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:20,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:09:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:22,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:23,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:23,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-25 03:09:23,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:09:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:24,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2024-11-25 03:09:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-11-25 03:09:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 03:09:24,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:24,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:24,040 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:24,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:09:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:26,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:27,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:27,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-25 03:09:27,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-11-25 03:09:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-25 03:09:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 03:09:27,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:27,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:27,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:27,791 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:27,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:09:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:30,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:31,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:31,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 03:09:31,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-11-25 03:09:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-11-25 03:09:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:09:31,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:31,897 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:09:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:34,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:35,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:09:35,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-25 03:09:35,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:09:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-11-25 03:09:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-11-25 03:09:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 03:09:36,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:36,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:36,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:36,129 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:09:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:39,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:39,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:09:39,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:39,823 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-25 03:09:39,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:09:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2024-11-25 03:09:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-25 03:09:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-25 03:09:40,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:40,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:40,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:40,812 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:40,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:09:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:43,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:44,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:09:44,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-25 03:09:44,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2024-11-25 03:09:45,660 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-25 03:09:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 03:09:45,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:45,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:45,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:45,666 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:45,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:09:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:48,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:49,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:09:49,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-25 03:09:49,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 03:09:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-25 03:09:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-25 03:09:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-25 03:09:50,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:50,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:50,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:50,683 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:50,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:09:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:53,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:54,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:09:54,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-25 03:09:54,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 03:09:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2024-11-25 03:09:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-11-25 03:09:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 03:09:55,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:55,887 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:55,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 03:09:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:59,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:59,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:09:59,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-25 03:10:00,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 03:10:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 78 states and 102 transitions. [2024-11-25 03:10:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-11-25 03:10:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:10:01,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:01,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:01,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:01,072 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:01,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 03:10:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:04,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-25 03:10:05,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 03:10:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2024-11-25 03:10:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-11-25 03:10:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 03:10:06,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:06,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:06,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:06,477 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:06,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 03:10:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:09,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:10,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:10,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-25 03:10:10,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 03:10:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-11-25 03:10:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-11-25 03:10:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 03:10:12,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:12,007 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:12,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 03:10:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:15,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:15,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:15,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 03:10:16,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 03:10:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2024-11-25 03:10:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-11-25 03:10:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 03:10:17,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:17,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:17,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:17,840 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:17,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 03:10:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:21,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:22,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:22,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-25 03:10:22,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 03:10:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2024-11-25 03:10:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2024-11-25 03:10:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-25 03:10:23,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:23,846 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:23,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 03:10:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:27,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:28,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:28,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-25 03:10:28,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 03:10:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-11-25 03:10:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-11-25 03:10:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 03:10:29,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:29,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:29,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:29,786 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:29,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 03:10:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:33,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:33,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:33,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-25 03:10:34,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 03:10:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-11-25 03:10:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-25 03:10:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 03:10:35,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:35,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:35,840 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 03:10:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:39,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:40,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:40,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-25 03:10:40,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 03:10:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-11-25 03:10:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-11-25 03:10:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 03:10:42,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:42,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:42,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 03:10:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:46,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:46,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:46,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-25 03:10:47,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 03:10:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-11-25 03:10:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-11-25 03:10:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 03:10:48,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:48,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:48,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:48,546 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:48,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 03:10:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:52,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:53,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:53,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-25 03:10:53,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 03:10:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-11-25 03:10:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-25 03:10:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-25 03:10:55,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:55,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:55,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:55,039 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:55,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 03:10:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:59,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:59,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:10:59,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 03:11:00,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-25 03:11:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-11-25 03:11:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-11-25 03:11:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 03:11:01,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:01,849 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:01,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 03:11:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:06,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:06,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:11:06,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 03:11:07,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-25 03:11:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2024-11-25 03:11:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-11-25 03:11:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 03:11:08,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:08,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:08,581 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 03:11:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:12,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:13,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:11:13,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 03:11:13,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 03:11:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-11-25 03:11:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-11-25 03:11:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-25 03:11:15,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:15,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:15,361 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:15,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 03:11:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:19,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:20,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:11:20,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 03:11:20,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 03:11:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2024-11-25 03:11:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2024-11-25 03:11:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 03:11:22,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:22,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:22,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:22,273 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:22,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 03:11:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:26,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:27,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:11:27,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 03:11:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 03:11:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2024-11-25 03:11:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-11-25 03:11:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-25 03:11:29,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:29,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:29,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:29,385 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:29,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 03:11:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:34,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:34,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:11:34,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:11:35,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 03:11:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-11-25 03:11:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-11-25 03:11:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 03:11:36,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:36,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:36,649 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 03:11:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:41,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:41,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:11:41,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-25 03:11:42,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 03:11:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-25 03:11:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-25 03:11:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 03:11:43,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:43,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:43,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:43,876 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:43,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 03:11:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:48,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:49,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:11:49,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-25 03:11:49,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 03:11:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-11-25 03:11:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-11-25 03:11:51,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-25 03:11:51,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:51,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:51,583 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:51,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 03:11:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:56,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:57,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:11:57,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-25 03:11:57,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 03:11:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-11-25 03:11:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-11-25 03:11:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 03:11:59,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:59,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:59,460 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:59,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 03:12:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:04,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:04,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:12:04,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-25 03:12:05,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 03:12:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2024-11-25 03:12:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2024-11-25 03:12:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 03:12:07,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:07,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:07,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:07,428 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:07,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 03:12:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:12,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:13,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:12:13,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-25 03:12:13,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 03:12:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-11-25 03:12:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-11-25 03:12:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 03:12:15,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:15,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:15,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:15,438 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:15,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 03:12:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:20,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:21,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:12:21,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-25 03:12:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 03:12:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-11-25 03:12:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-11-25 03:12:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 03:12:23,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:23,467 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:23,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 03:12:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:28,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:29,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:12:29,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-25 03:12:29,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 03:12:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2024-11-25 03:12:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2024-11-25 03:12:31,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-25 03:12:31,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:31,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:31,676 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:31,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 03:12:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:37,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:37,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:12:37,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-25 03:12:38,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-25 03:12:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2024-11-25 03:12:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2024-11-25 03:12:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 03:12:40,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:40,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:40,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:40,441 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 03:12:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:46,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:46,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:12:46,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-25 03:12:47,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 03:12:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-11-25 03:12:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-11-25 03:12:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 03:12:49,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:49,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:49,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:49,347 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 03:12:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:55,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:55,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:12:55,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-25 03:12:56,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 03:12:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-11-25 03:12:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-11-25 03:12:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-25 03:12:58,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:58,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:58,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:58,530 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:58,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 03:13:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:04,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:04,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:13:04,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-25 03:13:05,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 03:13:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-11-25 03:13:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-25 03:13:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-25 03:13:07,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:07,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:07,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:07,892 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:07,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 03:13:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:14,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:14,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:13:14,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-25 03:13:15,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 03:13:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-11-25 03:13:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-11-25 03:13:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 03:13:17,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:17,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:17,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:17,532 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 03:13:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:24,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:24,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:13:24,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-25 03:13:25,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 03:13:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2024-11-25 03:13:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2024-11-25 03:13:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-25 03:13:27,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:27,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:27,464 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:27,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 03:13:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:34,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:35,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:13:35,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-25 03:13:44,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9562c7a8-f5ba-4fd2-9524-09a914c00abf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0