./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-circular-1.i --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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-circular-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/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 6c54160550402a2cf6139371c972b70bfa4a53acf207c90f67eed3e784812b38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:22,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:22,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:22,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:22,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:22,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:22,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:22,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:22,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:22,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:22,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:22,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:22,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:22,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:22,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:22,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:22,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:22,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:22,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:22,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:22,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:22,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:22,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:22,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:22,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:22,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:22,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:22,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:22,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:22,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:22,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:22,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:22,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:22,491 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c54160550402a2cf6139371c972b70bfa4a53acf207c90f67eed3e784812b38 [2023-11-24 23:05:22,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:22,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:22,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:22,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:22,784 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:22,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/sll-circular-1.i [2023-11-24 23:05:25,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:26,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:26,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i [2023-11-24 23:05:26,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/data/3ee1aa3bc/ba9d2259fe4249ef962650469721acda/FLAG47c7c2ea8 [2023-11-24 23:05:26,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/data/3ee1aa3bc/ba9d2259fe4249ef962650469721acda [2023-11-24 23:05:26,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:26,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:26,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:26,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:26,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:26,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffc3b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26, skipping insertion in model container [2023-11-24 23:05:26,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:26,741 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22324,22337] [2023-11-24 23:05:26,747 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22430,22443] [2023-11-24 23:05:26,749 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22555,22568] [2023-11-24 23:05:26,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:26,771 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:26,832 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22324,22337] [2023-11-24 23:05:26,841 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22430,22443] [2023-11-24 23:05:26,843 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_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/sv-benchmarks/c/forester-heap/sll-circular-1.i[22555,22568] [2023-11-24 23:05:26,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:26,879 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:26,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26 WrapperNode [2023-11-24 23:05:26,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:26,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:26,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:26,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:26,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,925 INFO L138 Inliner]: procedures = 119, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 114 [2023-11-24 23:05:26,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:26,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:26,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:26,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:26,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:26,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:26,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:26,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:26,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:26" (1/1) ... [2023-11-24 23:05:26,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:27,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:27,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:27,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c6b5f2-d16f-40dd-84fa-d3512da63b84/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:05:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:05:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:05:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:27,210 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:27,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:27,400 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:27,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:27,446 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 23:05:27,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:27 BoogieIcfgContainer [2023-11-24 23:05:27,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:27,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:27,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:27,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:27,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 23:05:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 23:05:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:05:27,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:27,856 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 23:05:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-24 23:05:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-24 23:05:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:27,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:27,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,315 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 23:05:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-24 23:05:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-24 23:05:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:28,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,438 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 23:05:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-24 23:05:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-24 23:05:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:05:28,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,522 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 23:05:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2023-11-24 23:05:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2023-11-24 23:05:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:28,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,588 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 23:05:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-24 23:05:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-24 23:05:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:28,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:30,009 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 23:05:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-11-24 23:05:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-11-24 23:05:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:05:31,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2023-11-24 23:05:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2023-11-24 23:05:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:32,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2023-11-24 23:05:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2023-11-24 23:05:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:05:33,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:05:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 104 transitions. [2023-11-24 23:05:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 104 transitions. [2023-11-24 23:05:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:33,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2023-11-24 23:05:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2023-11-24 23:05:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:33,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2023-11-24 23:05:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2023-11-24 23:05:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:34,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:05:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 122 transitions. [2023-11-24 23:05:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2023-11-24 23:05:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:35,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 89 states and 156 transitions. [2023-11-24 23:05:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 156 transitions. [2023-11-24 23:05:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:39,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:39,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 196 transitions. [2023-11-24 23:05:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2023-11-24 23:05:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:41,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:41,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 111 states and 216 transitions. [2023-11-24 23:05:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 216 transitions. [2023-11-24 23:05:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:05:44,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2023-11-24 23:05:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2023-11-24 23:05:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:05:44,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 119 states and 231 transitions. [2023-11-24 23:05:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 231 transitions. [2023-11-24 23:05:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:05:46,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:05:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 124 states and 236 transitions. [2023-11-24 23:05:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2023-11-24 23:05:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:05:47,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 132 states and 245 transitions. [2023-11-24 23:05:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 245 transitions. [2023-11-24 23:05:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:05:48,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:05:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 137 states and 250 transitions. [2023-11-24 23:05:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 250 transitions. [2023-11-24 23:05:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:05:48,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 142 states and 257 transitions. [2023-11-24 23:05:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 257 transitions. [2023-11-24 23:05:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:05:51,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 152 states and 274 transitions. [2023-11-24 23:05:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 274 transitions. [2023-11-24 23:05:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:05:57,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 159 states and 295 transitions. [2023-11-24 23:06:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 295 transitions. [2023-11-24 23:06:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:00,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 165 states and 311 transitions. [2023-11-24 23:06:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 311 transitions. [2023-11-24 23:06:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:02,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 177 states and 331 transitions. [2023-11-24 23:06:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 331 transitions. [2023-11-24 23:06:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:11,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.