./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/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_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/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 64bit --witnessprinter.graph.data.programhash de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:01,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:01,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:50:01,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:01,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:01,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:01,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:01,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:01,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:01,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:01,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:01,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:01,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:01,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:01,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:01,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:01,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:01,209 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:01,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:01,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:01,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:01,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:01,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:01,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:01,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:01,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:01,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:01,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:01,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:01,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:01,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:01,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:01,217 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_3c06d0f5-788e-4f33-a058-2a313d18a27f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b [2023-11-21 18:50:01,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:01,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:01,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:01,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:01,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:01,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-numeric/rec_counter1.c [2023-11-21 18:50:04,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:04,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:04,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/sv-benchmarks/c/termination-numeric/rec_counter1.c [2023-11-21 18:50:04,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/data/3c15c69c1/b877742f672e4411bcbc30ab41defb4d/FLAG8d75a9e8f [2023-11-21 18:50:04,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/data/3c15c69c1/b877742f672e4411bcbc30ab41defb4d [2023-11-21 18:50:04,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:04,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:04,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:04,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:04,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:04,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:04" (1/1) ... [2023-11-21 18:50:04,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd50189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:04, skipping insertion in model container [2023-11-21 18:50:04,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:04" (1/1) ... [2023-11-21 18:50:05,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:05,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:05,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:05,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:05,242 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:05,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05 WrapperNode [2023-11-21 18:50:05,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:05,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:05,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:05,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:05,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,274 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-11-21 18:50:05,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:05,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:05,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:05,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:05,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:05,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:05,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:05,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:05,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:05,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:05,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:05,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c06d0f5-788e-4f33-a058-2a313d18a27f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-21 18:50:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-21 18:50:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:05,459 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:05,464 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:05,604 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:05,630 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:05,631 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:50:05,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:05 BoogieIcfgContainer [2023-11-21 18:50:05,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:05,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:05,634 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:05,644 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:05,645 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:05" (1/1) ... [2023-11-21 18:50:05,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:05,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-21 18:50:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:50:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:05,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:05,921 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 18:50:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 32 transitions. [2023-11-21 18:50:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-21 18:50:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:06,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,131 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 18:50:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 37 transitions. [2023-11-21 18:50:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:50:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:50:06,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,501 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 18:50:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 34 transitions. [2023-11-21 18:50:06,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-21 18:50:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:50:06,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,894 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 18:50:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 28 transitions. [2023-11-21 18:50:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:50:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:06,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 27 transitions. [2023-11-21 18:50:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-21 18:50:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:07,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2023-11-21 18:50:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-21 18:50:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:07,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 37 transitions. [2023-11-21 18:50:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-21 18:50:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:07,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 42 transitions. [2023-11-21 18:50:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-21 18:50:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:50:08,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:50:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 51 transitions. [2023-11-21 18:50:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2023-11-21 18:50:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:09,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 56 transitions. [2023-11-21 18:50:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-21 18:50:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:09,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:50:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 64 transitions. [2023-11-21 18:50:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2023-11-21 18:50:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:10,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-21 18:50:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 73 transitions. [2023-11-21 18:50:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-21 18:50:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:11,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:50:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 78 transitions. [2023-11-21 18:50:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-21 18:50:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:50:12,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-21 18:50:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 78 transitions. [2023-11-21 18:50:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2023-11-21 18:50:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:50:12,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:50:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 87 transitions. [2023-11-21 18:50:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2023-11-21 18:50:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:50:14,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:50:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 96 transitions. [2023-11-21 18:50:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-11-21 18:50:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:50:15,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-21 18:50:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 74 states and 101 transitions. [2023-11-21 18:50:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-11-21 18:50:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:50:16,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-21 18:50:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 101 transitions. [2023-11-21 18:50:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-11-21 18:50:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:50:17,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:50:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 113 transitions. [2023-11-21 18:50:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2023-11-21 18:50:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:50:19,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,377 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-21 18:50:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 122 transitions. [2023-11-21 18:50:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2023-11-21 18:50:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:50:21,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-21 18:50:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 127 transitions. [2023-11-21 18:50:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2023-11-21 18:50:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-21 18:50:22,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-21 18:50:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 127 transitions. [2023-11-21 18:50:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2023-11-21 18:50:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 18:50:23,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-21 18:50:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 110 states and 142 transitions. [2023-11-21 18:50:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2023-11-21 18:50:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:50:26,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-21 18:50:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 116 states and 151 transitions. [2023-11-21 18:50:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2023-11-21 18:50:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:50:29,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-21 18:50:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 156 transitions. [2023-11-21 18:50:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2023-11-21 18:50:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:50:30,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2023-11-21 18:50:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 120 states and 156 transitions. [2023-11-21 18:50:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 156 transitions. [2023-11-21 18:50:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:50:30,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-21 18:50:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 137 states and 174 transitions. [2023-11-21 18:50:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-21 18:50:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-21 18:50:36,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-21 18:50:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 143 states and 183 transitions. [2023-11-21 18:50:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions. [2023-11-21 18:50:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:50:39,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-11-21 18:50:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 188 transitions. [2023-11-21 18:50:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2023-11-21 18:50:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-21 18:50:40,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-21 18:50:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 147 states and 188 transitions. [2023-11-21 18:50:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 188 transitions. [2023-11-21 18:50:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-21 18:50:41,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:41,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:50:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 167 states and 209 transitions. [2023-11-21 18:50:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 209 transitions. [2023-11-21 18:50:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-21 18:50:48,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-11-21 18:50:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 173 states and 218 transitions. [2023-11-21 18:50:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 218 transitions. [2023-11-21 18:50:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-21 18:50:52,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 105 proven. 1 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2023-11-21 18:50:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 176 states and 223 transitions. [2023-11-21 18:50:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 223 transitions. [2023-11-21 18:50:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:50:53,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked.