./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi --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 532954920d93df80ec8903cd7069d46bd3e41c8f10c6c2a8e6416a137735480b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:11,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:11,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:11,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:11,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:11,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:11,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:11,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:11,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:11,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:11,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:11,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:11,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:11,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:11,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:11,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:11,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:11,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:11,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:11,758 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:11,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:11,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:11,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:11,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:11,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:11,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:11,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:11,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:11,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:11,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:11,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:11,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:11,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:11,764 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_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 532954920d93df80ec8903cd7069d46bd3e41c8f10c6c2a8e6416a137735480b [2023-11-24 22:54:12,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:12,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:12,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:12,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:12,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:12,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2023-11-24 22:54:15,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:15,431 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:15,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2023-11-24 22:54:15,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/data/f2ff3f02b/84b04c3541984fec94a0e618bf58e11a/FLAG0aad27d83 [2023-11-24 22:54:15,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/data/f2ff3f02b/84b04c3541984fec94a0e618bf58e11a [2023-11-24 22:54:15,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:15,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:15,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:15,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:15,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:15,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d141d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15, skipping insertion in model container [2023-11-24 22:54:15,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:15,714 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_443771b4-2188-4d0a-b351-08656a41d6e2/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c[950,963] [2023-11-24 22:54:15,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:15,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:15,753 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_443771b4-2188-4d0a-b351-08656a41d6e2/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c[950,963] [2023-11-24 22:54:15,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:15,771 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:15,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15 WrapperNode [2023-11-24 22:54:15,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:15,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:15,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:15,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:15,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,806 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-11-24 22:54:15,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:15,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:15,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:15,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:15,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:15,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:15,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:15,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:15,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:15,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:15,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:15,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443771b4-2188-4d0a-b351-08656a41d6e2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2023-11-24 22:54:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2023-11-24 22:54:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2023-11-24 22:54:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2023-11-24 22:54:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:16,022 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:16,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:16,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:16,245 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:16,246 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:16,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:16 BoogieIcfgContainer [2023-11-24 22:54:16,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:16,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:16,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:16,260 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:16,260 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:16" (1/1) ... [2023-11-24 22:54:16,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-24 22:54:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-24 22:54:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:16,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-24 22:54:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-24 22:54:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:16,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:17,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2023-11-24 22:54:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-24 22:54:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:17,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:17,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 50 transitions. [2023-11-24 22:54:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-24 22:54:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:17,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:17,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 66 transitions. [2023-11-24 22:54:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-24 22:54:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:54:18,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:18,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:19,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 69 transitions. [2023-11-24 22:54:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-24 22:54:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:19,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:54:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 66 transitions. [2023-11-24 22:54:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-11-24 22:54:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:54:20,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:20,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 95 transitions. [2023-11-24 22:54:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2023-11-24 22:54:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:54:22,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:54:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 57 states and 94 transitions. [2023-11-24 22:54:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-24 22:54:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:54:23,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 22:54:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 60 states and 102 transitions. [2023-11-24 22:54:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2023-11-24 22:54:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:54:25,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 22:54:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 70 states and 129 transitions. [2023-11-24 22:54:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2023-11-24 22:54:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 22:54:27,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-24 22:54:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 72 states and 131 transitions. [2023-11-24 22:54:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2023-11-24 22:54:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 22:54:27,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-24 22:54:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 74 states and 133 transitions. [2023-11-24 22:54:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2023-11-24 22:54:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-24 22:54:28,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 36 proven. 151 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-24 22:54:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 84 states and 161 transitions. [2023-11-24 22:54:30,137 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2023-11-24 22:54:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-24 22:54:30,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 51 proven. 299 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-24 22:54:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 86 states and 163 transitions. [2023-11-24 22:54:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2023-11-24 22:54:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-24 22:54:30,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 36 proven. 151 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-24 22:54:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 88 states and 165 transitions. [2023-11-24 22:54:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 165 transitions. [2023-11-24 22:54:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-24 22:54:31,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 54 proven. 348 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-11-24 22:54:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 98 states and 196 transitions. [2023-11-24 22:54:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 196 transitions. [2023-11-24 22:54:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-24 22:54:33,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:33,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 82 proven. 493 refuted. 0 times theorem prover too weak. 1670 trivial. 0 not checked. [2023-11-24 22:54:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 100 states and 198 transitions. [2023-11-24 22:54:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2023-11-24 22:54:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-24 22:54:34,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 51 proven. 218 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-11-24 22:54:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 102 states and 200 transitions. [2023-11-24 22:54:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions. [2023-11-24 22:54:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-11-24 22:54:35,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 176 proven. 748 refuted. 0 times theorem prover too weak. 3138 trivial. 0 not checked. [2023-11-24 22:54:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 112 states and 234 transitions. [2023-11-24 22:54:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 234 transitions. [2023-11-24 22:54:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-11-24 22:54:38,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7277 backedges. 208 proven. 1069 refuted. 0 times theorem prover too weak. 6000 trivial. 0 not checked. [2023-11-24 22:54:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 114 states and 236 transitions. [2023-11-24 22:54:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 236 transitions. [2023-11-24 22:54:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-11-24 22:54:39,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 477 proven. 520 refuted. 0 times theorem prover too weak. 4055 trivial. 0 not checked. [2023-11-24 22:54:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 116 states and 236 transitions. [2023-11-24 22:54:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 236 transitions. [2023-11-24 22:54:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2023-11-24 22:54:42,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5744 backedges. 629 proven. 754 refuted. 0 times theorem prover too weak. 4361 trivial. 0 not checked. [2023-11-24 22:54:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 116 states and 235 transitions. [2023-11-24 22:54:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 235 transitions. [2023-11-24 22:54:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2023-11-24 22:54:44,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8499 backedges. 227 proven. 1161 refuted. 0 times theorem prover too weak. 7111 trivial. 0 not checked. [2023-11-24 22:54:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 118 states and 237 transitions. [2023-11-24 22:54:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 237 transitions. [2023-11-24 22:54:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-11-24 22:54:45,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7252 backedges. 784 proven. 1118 refuted. 0 times theorem prover too weak. 5350 trivial. 0 not checked. [2023-11-24 22:54:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 120 states and 237 transitions. [2023-11-24 22:54:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 237 transitions. [2023-11-24 22:54:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2023-11-24 22:54:48,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:48,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12477 backedges. 232 proven. 1679 refuted. 0 times theorem prover too weak. 10566 trivial. 0 not checked. [2023-11-24 22:54:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 132 states and 272 transitions. [2023-11-24 22:54:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 272 transitions. [2023-11-24 22:54:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2023-11-24 22:54:51,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14065 backedges. 238 proven. 1809 refuted. 0 times theorem prover too weak. 12018 trivial. 0 not checked. [2023-11-24 22:54:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 134 states and 274 transitions. [2023-11-24 22:54:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 274 transitions. [2023-11-24 22:54:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1225 [2023-11-24 22:54:53,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 44861 backedges. 651 proven. 3613 refuted. 0 times theorem prover too weak. 40597 trivial. 0 not checked.