./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/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_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:11,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:11,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:28:11,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:11,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:11,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:11,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:11,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:11,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:11,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:11,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:11,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:11,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:11,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:11,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:11,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:11,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:11,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:11,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:11,565 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:11,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:11,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:11,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:11,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:11,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:11,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:11,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:11,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:11,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:11,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:11,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:11,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:11,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:11,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:11,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:11,575 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_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2023-11-19 03:28:11,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:11,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:11,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:11,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:11,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:11,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-19 03:28:15,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:15,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:15,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-19 03:28:15,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/data/baa2e5ff7/a314dd8da2d84453ad83b1738ee7321b/FLAGb4d84a14d [2023-11-19 03:28:15,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/data/baa2e5ff7/a314dd8da2d84453ad83b1738ee7321b [2023-11-19 03:28:15,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:15,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:15,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:15,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:15,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:15,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a746fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15, skipping insertion in model container [2023-11-19 03:28:15,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:15,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:15,738 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:15,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:15,778 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:15,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15 WrapperNode [2023-11-19 03:28:15,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:15,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:15,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:15,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:15,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,843 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:28:15,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:15,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:15,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:15,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:15,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:15,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:15,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:15,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:15,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:15,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:15,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ca9d-e0b3-4201-9f51-3f0a4c79c849/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:16,092 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:16,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:16,527 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:16,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:16,593 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:28:16,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16 BoogieIcfgContainer [2023-11-19 03:28:16,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:16,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:16,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:16,615 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:16,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:28:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:28:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:28:16,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:16,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:16,918 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 03:28:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:28:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:28:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:28:16,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:16,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:17,103 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 03:28:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:28:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:28:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:17,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:17,404 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 03:28:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:28:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:28:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:28:17,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:17,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:17,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:28:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:28:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:18,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:18,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:18,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:18,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:28:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:28:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:28:18,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:18,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:18,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:18,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:28:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:28:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:28:19,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:19,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:19,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2023-11-19 03:28:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-19 03:28:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:28:20,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:20,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:20,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-11-19 03:28:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-19 03:28:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:22,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:22,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:22,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:22,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 129 states and 226 transitions. [2023-11-19 03:28:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 226 transitions. [2023-11-19 03:28:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:23,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:23,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:23,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:23,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 238 transitions. [2023-11-19 03:28:24,764 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2023-11-19 03:28:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:24,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:24,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:24,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2023-11-19 03:28:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2023-11-19 03:28:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:28:25,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:25,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:25,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 152 states and 304 transitions. [2023-11-19 03:28:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 304 transitions. [2023-11-19 03:28:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:28:27,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:27,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:27,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 165 states and 333 transitions. [2023-11-19 03:28:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 333 transitions. [2023-11-19 03:28:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:28:29,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:29,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 166 states and 334 transitions. [2023-11-19 03:28:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 334 transitions. [2023-11-19 03:28:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:28:29,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:29,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 172 states and 348 transitions. [2023-11-19 03:28:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 348 transitions. [2023-11-19 03:28:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:28:31,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:31,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:31,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 187 states and 379 transitions. [2023-11-19 03:28:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 379 transitions. [2023-11-19 03:28:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:28:34,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:34,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:34,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 194 states and 390 transitions. [2023-11-19 03:28:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 390 transitions. [2023-11-19 03:28:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:28:36,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:36,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:36,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:36,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 210 states and 420 transitions. [2023-11-19 03:28:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2023-11-19 03:28:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:28:41,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:41,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:41,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 218 states and 441 transitions. [2023-11-19 03:28:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 441 transitions. [2023-11-19 03:28:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:28:43,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:43,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:43,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:28:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 228 states and 466 transitions. [2023-11-19 03:28:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 466 transitions. [2023-11-19 03:28:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:28:47,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:28:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 239 states and 492 transitions. [2023-11-19 03:28:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 492 transitions. [2023-11-19 03:28:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:50,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:50,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:50,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:28:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 253 states and 533 transitions. [2023-11-19 03:28:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 533 transitions. [2023-11-19 03:28:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:55,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:55,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:55,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:28:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 255 states and 535 transitions. [2023-11-19 03:28:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 535 transitions. [2023-11-19 03:28:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:56,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:56,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:56,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:28:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 259 states and 539 transitions. [2023-11-19 03:28:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 539 transitions. [2023-11-19 03:28:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:28:57,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:57,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:57,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 267 states and 571 transitions. [2023-11-19 03:29:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 571 transitions. [2023-11-19 03:29:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:29:01,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:01,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:01,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:01,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 269 states and 572 transitions. [2023-11-19 03:29:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 572 transitions. [2023-11-19 03:29:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:29:02,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:02,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:02,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 273 states and 575 transitions. [2023-11-19 03:29:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 575 transitions. [2023-11-19 03:29:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:29:03,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:03,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:03,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:03,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 279 states and 598 transitions. [2023-11-19 03:29:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 598 transitions. [2023-11-19 03:29:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:29:05,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:05,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:05,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.