./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:04,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:04,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:04,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:04,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:04,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:04,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:04,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:04,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:04,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:04,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:04,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:04,757 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:04,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:04,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:04,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:04,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:04,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:04,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:04,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:04,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:04,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:04,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:04,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:04,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:04,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:04,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:04,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:04,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:04,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:04,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:04,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:04,766 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:04,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2023-11-19 03:15:05,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:05,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:05,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:05,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:05,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:05,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-19 03:15:08,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:08,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:08,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-19 03:15:08,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/data/9b3941393/4b92b7f6fa684833901f5e8e127babec/FLAGc1ea9ec46 [2023-11-19 03:15:08,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/data/9b3941393/4b92b7f6fa684833901f5e8e127babec [2023-11-19 03:15:08,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:08,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:08,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:08,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:08,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:08,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1670c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08, skipping insertion in model container [2023-11-19 03:15:08,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:08,898 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2023-11-19 03:15:08,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:08,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:08,963 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2023-11-19 03:15:08,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:08,990 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:08,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08 WrapperNode [2023-11-19 03:15:08,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:08,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:08,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:08,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:09,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,033 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 03:15:09,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:09,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:09,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:09,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:09,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:09,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:09,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:09,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:09,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:09,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:09,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270bf0e0-77cf-4234-8ee7-8426f0c97e83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:09,242 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:09,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:09,366 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:09,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:09,386 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:15:09,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:09 BoogieIcfgContainer [2023-11-19 03:15:09,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:09,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:09,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:09,403 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:09,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:09" (1/1) ... [2023-11-19 03:15:09,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 03:15:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 03:15:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:15:09,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 03:15:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 03:15:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:15:09,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:15:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:15:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:15:09,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 03:15:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 03:15:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:15:10,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:10,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:10,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 03:15:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 03:15:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:15:11,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:11,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:15:11,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 03:15:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 03:15:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:15:11,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:11,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 03:15:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 03:15:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:15:11,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:11,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:11,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 94 transitions. [2023-11-19 03:15:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-19 03:15:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:15:13,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:13,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:13,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:13,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 96 transitions. [2023-11-19 03:15:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2023-11-19 03:15:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:13,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:13,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:13,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:13,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:15:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 111 transitions. [2023-11-19 03:15:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2023-11-19 03:15:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:15:14,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:14,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:14,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:15:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 51 states and 118 transitions. [2023-11-19 03:15:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 118 transitions. [2023-11-19 03:15:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:15:15,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:15,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:15,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:15:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 115 transitions. [2023-11-19 03:15:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 115 transitions. [2023-11-19 03:15:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:15:17,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:15:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 121 transitions. [2023-11-19 03:15:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2023-11-19 03:15:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:15:17,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:15:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 53 states and 127 transitions. [2023-11-19 03:15:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2023-11-19 03:15:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:18,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:18,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:18,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:15:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 56 states and 140 transitions. [2023-11-19 03:15:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 140 transitions. [2023-11-19 03:15:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:19,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:19,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:19,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:19,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:15:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 66 states and 197 transitions. [2023-11-19 03:15:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 197 transitions. [2023-11-19 03:15:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:20,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:20,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:15:20,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:15:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 68 states and 199 transitions. [2023-11-19 03:15:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 199 transitions. [2023-11-19 03:15:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:21,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:21,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:15:21,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:15:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 70 states and 201 transitions. [2023-11-19 03:15:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 201 transitions. [2023-11-19 03:15:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:22,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:22,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:22,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:15:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 70 states and 200 transitions. [2023-11-19 03:15:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 200 transitions. [2023-11-19 03:15:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:15:23,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:23,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:23,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 03:15:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 72 states and 211 transitions. [2023-11-19 03:15:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 211 transitions. [2023-11-19 03:15:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:23,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:23,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:23,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:15:23,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:15:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:25,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 74 states and 226 transitions. [2023-11-19 03:15:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 226 transitions. [2023-11-19 03:15:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:25,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:25,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:25,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:15:25,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:15:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 74 states and 225 transitions. [2023-11-19 03:15:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 225 transitions. [2023-11-19 03:15:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:27,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:27,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:15:27,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:15:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 76 states and 226 transitions. [2023-11-19 03:15:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 226 transitions. [2023-11-19 03:15:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:15:28,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:28,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:28,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:28,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 03:15:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 76 states and 225 transitions. [2023-11-19 03:15:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 225 transitions. [2023-11-19 03:15:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:15:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:31,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:31,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:15:31,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:15:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 77 states and 234 transitions. [2023-11-19 03:15:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 234 transitions. [2023-11-19 03:15:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:15:32,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:32,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:32,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:15:32,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:15:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 80 states and 255 transitions. [2023-11-19 03:15:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 255 transitions. [2023-11-19 03:15:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:33,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:33,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:15:33,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:15:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 82 states and 257 transitions. [2023-11-19 03:15:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 257 transitions. [2023-11-19 03:15:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:34,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:34,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:15:34,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:15:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 84 states and 259 transitions. [2023-11-19 03:15:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 259 transitions. [2023-11-19 03:15:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:35,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:35,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:35,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:35,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:15:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 90 states and 282 transitions. [2023-11-19 03:15:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 282 transitions. [2023-11-19 03:15:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:37,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:37,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:37,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:15:37,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:15:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 92 states and 284 transitions. [2023-11-19 03:15:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 284 transitions. [2023-11-19 03:15:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:38,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:38,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:38,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:38,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:15:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 96 states and 336 transitions. [2023-11-19 03:15:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 336 transitions. [2023-11-19 03:15:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:15:39,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:39,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:39,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:15:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 96 states and 335 transitions. [2023-11-19 03:15:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 335 transitions. [2023-11-19 03:15:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:15:40,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:40,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:40,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:40,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-19 03:15:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 97 states and 341 transitions. [2023-11-19 03:15:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 341 transitions. [2023-11-19 03:15:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:15:40,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:40,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:41,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:15:41,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:15:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 99 states and 361 transitions. [2023-11-19 03:15:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 361 transitions. [2023-11-19 03:15:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:15:44,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:15:44,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:15:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 99 states and 360 transitions. [2023-11-19 03:15:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 360 transitions. [2023-11-19 03:15:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:15:46,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:46,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:46,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:15:46,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:15:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 99 states and 359 transitions. [2023-11-19 03:15:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 359 transitions. [2023-11-19 03:15:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:15:48,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:48,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:15:48,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:15:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 101 states and 360 transitions. [2023-11-19 03:15:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 360 transitions. [2023-11-19 03:15:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:15:50,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:15:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 102 states and 372 transitions. [2023-11-19 03:15:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 372 transitions. [2023-11-19 03:15:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:15:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:15:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 105 states and 399 transitions. [2023-11-19 03:15:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 399 transitions. [2023-11-19 03:15:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:52,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:52,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:52,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:52,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:15:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 107 states and 401 transitions. [2023-11-19 03:15:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 401 transitions. [2023-11-19 03:15:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:53,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:53,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:15:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 109 states and 403 transitions. [2023-11-19 03:15:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 403 transitions. [2023-11-19 03:15:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:54,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:54,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:15:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 115 states and 430 transitions. [2023-11-19 03:15:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 430 transitions. [2023-11-19 03:15:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:57,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:15:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 117 states and 432 transitions. [2023-11-19 03:15:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 432 transitions. [2023-11-19 03:15:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:58,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:58,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.