./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/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_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/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_16c39c7e-f1a7-43d5-91b2-76948d21174c/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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:24,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:24,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:24,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:24,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:24,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:24,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:24,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:24,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:24,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:24,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:24,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:24,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:24,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:24,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:24,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:24,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:24,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:24,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:24,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:24,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:24,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:24,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:24,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:24,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:24,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:24,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:24,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:24,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:24,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:24,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:24,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:24,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:24,502 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_16c39c7e-f1a7-43d5-91b2-76948d21174c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2023-11-19 03:03:24,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:24,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:24,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:24,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:24,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:24,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2023-11-19 03:03:28,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:28,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:28,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2023-11-19 03:03:28,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/data/ea55c9aac/c51ac77a4ba14e34b7bbdfe0145e3069/FLAG01f7a4d48 [2023-11-19 03:03:28,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/data/ea55c9aac/c51ac77a4ba14e34b7bbdfe0145e3069 [2023-11-19 03:03:28,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:28,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:28,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:28,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:28,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:28,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7fccf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28, skipping insertion in model container [2023-11-19 03:03:28,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:28,582 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_16c39c7e-f1a7-43d5-91b2-76948d21174c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2023-11-19 03:03:28,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:28,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:28,661 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_16c39c7e-f1a7-43d5-91b2-76948d21174c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2023-11-19 03:03:28,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:28,691 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:28,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28 WrapperNode [2023-11-19 03:03:28,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:28,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:28,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:28,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:28,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,734 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-19 03:03:28,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:28,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:28,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:28,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:28,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:28,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:28,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:28,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:28,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:28,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:28,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:28,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c39c7e-f1a7-43d5-91b2-76948d21174c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:28,969 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:28,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:29,266 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:29,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:29,303 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:03:29,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:29 BoogieIcfgContainer [2023-11-19 03:03:29,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:29,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:29,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:29,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:29,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:29" (1/1) ... [2023-11-19 03:03:29,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-19 03:03:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-19 03:03:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:03:29,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:29,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:29,562 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 03:03:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:29,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-19 03:03:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-19 03:03:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:03:29,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:29,728 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 03:03:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 03:03:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 03:03:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:03:29,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:30,020 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 03:03:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2023-11-19 03:03:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-19 03:03:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:03:30,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:30,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:30,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:30,549 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 03:03:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2023-11-19 03:03:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:03:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:31,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:31,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:31,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:31,370 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 03:03:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2023-11-19 03:03:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2023-11-19 03:03:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:03:32,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:32,263 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 03:03:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2023-11-19 03:03:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2023-11-19 03:03:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:32,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:32,772 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 03:03:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2023-11-19 03:03:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-19 03:03:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:32,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:33,050 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 03:03:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 92 transitions. [2023-11-19 03:03:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2023-11-19 03:03:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:33,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:33,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:33,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:03:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 58 states and 154 transitions. [2023-11-19 03:03:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 154 transitions. [2023-11-19 03:03:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:35,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:35,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:03:35,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:03:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 60 states and 156 transitions. [2023-11-19 03:03:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 156 transitions. [2023-11-19 03:03:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:03:35,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:35,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:35,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:35,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:03:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 174 transitions. [2023-11-19 03:03:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 174 transitions. [2023-11-19 03:03:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:03:36,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:36,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:03:36,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:03:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 69 states and 190 transitions. [2023-11-19 03:03:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 190 transitions. [2023-11-19 03:03:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:03:38,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:03:38,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:03:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 71 states and 192 transitions. [2023-11-19 03:03:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 192 transitions. [2023-11-19 03:03:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:03:39,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:39,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:39,271 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:03:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 74 states and 210 transitions. [2023-11-19 03:03:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 210 transitions. [2023-11-19 03:03:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:03:39,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:03:39,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:03:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 79 states and 228 transitions. [2023-11-19 03:03:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 228 transitions. [2023-11-19 03:03:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:03:41,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:41,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:41,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:03:41,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:03:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 81 states and 229 transitions. [2023-11-19 03:03:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 229 transitions. [2023-11-19 03:03:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:03:42,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:03:42,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:03:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 83 states and 237 transitions. [2023-11-19 03:03:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 237 transitions. [2023-11-19 03:03:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:03:43,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:03:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 85 states and 247 transitions. [2023-11-19 03:03:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2023-11-19 03:03:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:03:44,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:44,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:44,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:03:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 86 states and 253 transitions. [2023-11-19 03:03:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 253 transitions. [2023-11-19 03:03:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:03:44,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:44,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:03:44,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 03:03:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 87 states and 259 transitions. [2023-11-19 03:03:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 259 transitions. [2023-11-19 03:03:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:03:45,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:45,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:45,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:03:45,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:03:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 89 states and 267 transitions. [2023-11-19 03:03:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 267 transitions. [2023-11-19 03:03:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:03:45,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:45,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:03:45,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:03:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 93 states and 271 transitions. [2023-11-19 03:03:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2023-11-19 03:03:46,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:03:46,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:46,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:03:46,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:03:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 96 states and 278 transitions. [2023-11-19 03:03:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 278 transitions. [2023-11-19 03:03:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:03:47,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-19 03:03:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 104 states and 304 transitions. [2023-11-19 03:03:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2023-11-19 03:03:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:03:50,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:50,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:03:50,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:03:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 106 states and 306 transitions. [2023-11-19 03:03:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 306 transitions. [2023-11-19 03:03:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:03:50,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:50,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:50,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-19 03:03:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:52,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 110 states and 385 transitions. [2023-11-19 03:03:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 385 transitions. [2023-11-19 03:03:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:03:52,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:52,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:03:52,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:03:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 118 states and 428 transitions. [2023-11-19 03:03:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 428 transitions. [2023-11-19 03:03:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:03:56,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:56,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:03:56,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 51 proven. 9 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:04:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 128 states and 449 transitions. [2023-11-19 03:04:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 449 transitions. [2023-11-19 03:04:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:04:00,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:00,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:04:00,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 36 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:04:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 133 states and 471 transitions. [2023-11-19 03:04:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 471 transitions. [2023-11-19 03:04:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:04:03,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:03,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:04:03,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:04:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 135 states and 473 transitions. [2023-11-19 03:04:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 473 transitions. [2023-11-19 03:04:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:04:04,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:04,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:04:04,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 36 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:04:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 137 states and 475 transitions. [2023-11-19 03:04:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 475 transitions. [2023-11-19 03:04:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:04:06,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:06,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:04:06,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:04:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 140 states and 501 transitions. [2023-11-19 03:04:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 501 transitions. [2023-11-19 03:04:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:04:08,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:08,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:04:08,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:04:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 533 transitions. [2023-11-19 03:04:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 533 transitions. [2023-11-19 03:04:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:04:12,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 03:04:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 130 states and 449 transitions. [2023-11-19 03:04:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 449 transitions. [2023-11-19 03:04:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:04:14,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:14,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:04:14,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 38 proven. 37 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 03:04:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 132 states and 450 transitions. [2023-11-19 03:04:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 450 transitions. [2023-11-19 03:04:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:04:15,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 03:04:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 136 states and 476 transitions. [2023-11-19 03:04:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 476 transitions. [2023-11-19 03:04:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:04:17,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:17,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:17,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:04:17,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.