./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2 --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 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:00,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:00,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:00,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:00,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:00,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:00,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:00,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:00,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:00,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:00,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:00,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:00,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:00,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:00,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:00,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:00,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:00,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:00,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:00,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:00,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:00,650 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:00,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:00,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:00,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:00,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:00,653 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:00,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:00,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:00,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:00,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:00,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:00,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:00,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:00,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:00,657 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_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2023-11-21 18:47:00,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:01,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:01,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:01,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:01,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:01,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2023-11-21 18:47:04,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:04,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:04,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2023-11-21 18:47:04,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/data/13d2f932f/b189a878f4064b84a9b5d158cf46ea4c/FLAG6c97b889e [2023-11-21 18:47:04,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/data/13d2f932f/b189a878f4064b84a9b5d158cf46ea4c [2023-11-21 18:47:04,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:04,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:04,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:04,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:04,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:04,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6fb5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04, skipping insertion in model container [2023-11-21 18:47:04,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:04,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:04,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:04,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:04,671 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:04,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04 WrapperNode [2023-11-21 18:47:04,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:04,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:04,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:04,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:04,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,708 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-21 18:47:04,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:04,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:04,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:04,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:04,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:04,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:04,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:04,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:04,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:04,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:04,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5afd686-f088-4d98-a13c-e656e53188bf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-21 18:47:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-21 18:47:04,875 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:04,877 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:05,015 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:05,052 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:05,052 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:47:05,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:05 BoogieIcfgContainer [2023-11-21 18:47:05,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:05,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:05,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:05,066 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:05,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:05" (1/1) ... [2023-11-21 18:47:05,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-21 18:47:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-21 18:47:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:47:05,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-11-21 18:47:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:47:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:05,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2023-11-21 18:47:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:47:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:05,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2023-11-21 18:47:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-21 18:47:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:47:06,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2023-11-21 18:47:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:47:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:47:06,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2023-11-21 18:47:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 18:47:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:06,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2023-11-21 18:47:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-21 18:47:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:47:07,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2023-11-21 18:47:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-21 18:47:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:47:07,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2023-11-21 18:47:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-21 18:47:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:08,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2023-11-21 18:47:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-21 18:47:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:08,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2023-11-21 18:47:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-21 18:47:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:09,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2023-11-21 18:47:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-21 18:47:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:47:09,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2023-11-21 18:47:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:47:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:47:10,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:10,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 81 transitions. [2023-11-21 18:47:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-21 18:47:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:47:10,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:10,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 87 transitions. [2023-11-21 18:47:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:47:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:47:11,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 93 transitions. [2023-11-21 18:47:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-21 18:47:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:47:12,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 99 transitions. [2023-11-21 18:47:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-11-21 18:47:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:47:13,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 105 transitions. [2023-11-21 18:47:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:47:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:47:14,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 111 transitions. [2023-11-21 18:47:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2023-11-21 18:47:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:47:14,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 117 transitions. [2023-11-21 18:47:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2023-11-21 18:47:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 18:47:15,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 123 transitions. [2023-11-21 18:47:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-11-21 18:47:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:47:16,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 129 transitions. [2023-11-21 18:47:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2023-11-21 18:47:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-21 18:47:17,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 135 transitions. [2023-11-21 18:47:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2023-11-21 18:47:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:47:18,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:18,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 141 transitions. [2023-11-21 18:47:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-11-21 18:47:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-21 18:47:20,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 125 states and 147 transitions. [2023-11-21 18:47:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2023-11-21 18:47:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:47:21,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 130 states and 153 transitions. [2023-11-21 18:47:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2023-11-21 18:47:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-21 18:47:22,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 135 states and 159 transitions. [2023-11-21 18:47:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2023-11-21 18:47:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-21 18:47:23,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 140 states and 165 transitions. [2023-11-21 18:47:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2023-11-21 18:47:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:47:25,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:26,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 162 transitions. [2023-11-21 18:47:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2023-11-21 18:47:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-21 18:47:26,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:26,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 191 transitions. [2023-11-21 18:47:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2023-11-21 18:47:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-21 18:47:27,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 143 states and 191 transitions. [2023-11-21 18:47:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2023-11-21 18:47:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-21 18:47:27,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2023-11-21 18:47:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 190 transitions. [2023-11-21 18:47:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 190 transitions. [2023-11-21 18:47:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:47:28,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 147 states and 219 transitions. [2023-11-21 18:47:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2023-11-21 18:47:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-21 18:47:29,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:29,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 246 transitions. [2023-11-21 18:47:30,842 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2023-11-21 18:47:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-21 18:47:30,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:30,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 272 transitions. [2023-11-21 18:47:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 272 transitions. [2023-11-21 18:47:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-21 18:47:32,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 162 states and 297 transitions. [2023-11-21 18:47:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2023-11-21 18:47:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-21 18:47:33,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 167 states and 321 transitions. [2023-11-21 18:47:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 321 transitions. [2023-11-21 18:47:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-21 18:47:34,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 172 states and 344 transitions. [2023-11-21 18:47:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 344 transitions. [2023-11-21 18:47:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-21 18:47:36,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 177 states and 366 transitions. [2023-11-21 18:47:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 366 transitions. [2023-11-21 18:47:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-21 18:47:37,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 182 states and 387 transitions. [2023-11-21 18:47:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 387 transitions. [2023-11-21 18:47:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-21 18:47:39,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 187 states and 407 transitions. [2023-11-21 18:47:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 407 transitions. [2023-11-21 18:47:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-21 18:47:41,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 192 states and 426 transitions. [2023-11-21 18:47:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 426 transitions. [2023-11-21 18:47:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-21 18:47:42,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 197 states and 444 transitions. [2023-11-21 18:47:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 444 transitions. [2023-11-21 18:47:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-21 18:47:44,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:47:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 202 states and 461 transitions. [2023-11-21 18:47:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 461 transitions. [2023-11-21 18:47:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-21 18:47:46,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked.