./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.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_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/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_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/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_211a2842-895a-407b-9f3d-ed9686d26f36/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 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:00,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:00,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:00,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:00,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:00,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:00,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:00,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:00,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:00,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:00,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:00,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:00,675 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:00,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:00,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:00,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:00,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:00,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:00,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:00,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:00,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:00,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:00,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:00,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:00,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:00,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:00,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:00,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:00,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:00,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:00,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:00,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:00,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:00,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:00,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:00,686 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_211a2842-895a-407b-9f3d-ed9686d26f36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2023-11-21 18:36:00,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:01,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:01,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:01,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:01,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:01,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2023-11-21 18:36:04,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:04,532 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:04,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2023-11-21 18:36:04,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/data/d9f485ea4/0127ca6cc6cc4349bc4197076cf90bb7/FLAG1a50569d7 [2023-11-21 18:36:04,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/data/d9f485ea4/0127ca6cc6cc4349bc4197076cf90bb7 [2023-11-21 18:36:04,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:04,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:04,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:04,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:04,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:04,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc52b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04, skipping insertion in model container [2023-11-21 18:36:04,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:04,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:04,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:04,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:04,912 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:04,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04 WrapperNode [2023-11-21 18:36:04,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:04,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:04,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:04,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:04,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,956 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-11-21 18:36:04,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:04,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:04,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:04,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:04,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:04,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:04,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:04,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:04,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:04,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:04" (1/1) ... [2023-11-21 18:36:05,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:05,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:05,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211a2842-895a-407b-9f3d-ed9686d26f36/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:36:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:36:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:05,214 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:05,217 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:05,477 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:05,551 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:05,552 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:36:05,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:05 BoogieIcfgContainer [2023-11-21 18:36:05,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:05,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:05,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:05,568 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:05,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:05" (1/1) ... [2023-11-21 18:36:05,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-21 18:36:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-21 18:36:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:05,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:05,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:05,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:05,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,043 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 18:36:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 45 transitions. [2023-11-21 18:36:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-21 18:36:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:06,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,245 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 18:36:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 47 transitions. [2023-11-21 18:36:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-21 18:36:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:06,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,356 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 18:36:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 54 transitions. [2023-11-21 18:36:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-21 18:36:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:06,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,481 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 18:36:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 60 transitions. [2023-11-21 18:36:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-21 18:36:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:06,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,758 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 18:36:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 66 transitions. [2023-11-21 18:36:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-21 18:36:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:06,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,935 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 18:36:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 70 transitions. [2023-11-21 18:36:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2023-11-21 18:36:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:06,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:07,012 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 18:36:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 74 transitions. [2023-11-21 18:36:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-21 18:36:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:07,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:07,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:07,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:07,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:07,164 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 18:36:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 78 transitions. [2023-11-21 18:36:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-21 18:36:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:07,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:07,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:07,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 89 transitions. [2023-11-21 18:36:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2023-11-21 18:36:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:07,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:07,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:07,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 89 transitions. [2023-11-21 18:36:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2023-11-21 18:36:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:07,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:07,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 93 transitions. [2023-11-21 18:36:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2023-11-21 18:36:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:08,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 94 transitions. [2023-11-21 18:36:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2023-11-21 18:36:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:08,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 103 transitions. [2023-11-21 18:36:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-21 18:36:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:08,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 107 transitions. [2023-11-21 18:36:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2023-11-21 18:36:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:09,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 69 states and 119 transitions. [2023-11-21 18:36:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2023-11-21 18:36:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:09,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 127 transitions. [2023-11-21 18:36:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-21 18:36:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:10,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 136 transitions. [2023-11-21 18:36:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2023-11-21 18:36:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:10,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 80 states and 143 transitions. [2023-11-21 18:36:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 143 transitions. [2023-11-21 18:36:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:11,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 143 transitions. [2023-11-21 18:36:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2023-11-21 18:36:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:11,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 82 states and 145 transitions. [2023-11-21 18:36:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2023-11-21 18:36:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:11,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 156 transitions. [2023-11-21 18:36:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2023-11-21 18:36:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:12,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 89 states and 157 transitions. [2023-11-21 18:36:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2023-11-21 18:36:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:12,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 171 transitions. [2023-11-21 18:36:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2023-11-21 18:36:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:13,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 96 states and 173 transitions. [2023-11-21 18:36:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2023-11-21 18:36:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:13,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 179 transitions. [2023-11-21 18:36:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 179 transitions. [2023-11-21 18:36:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:13,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 102 states and 188 transitions. [2023-11-21 18:36:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 188 transitions. [2023-11-21 18:36:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:14,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 199 transitions. [2023-11-21 18:36:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 199 transitions. [2023-11-21 18:36:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:15,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:36:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 108 states and 202 transitions. [2023-11-21 18:36:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2023-11-21 18:36:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:15,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 111 states and 207 transitions. [2023-11-21 18:36:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 207 transitions. [2023-11-21 18:36:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:16,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 210 transitions. [2023-11-21 18:36:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 210 transitions. [2023-11-21 18:36:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:17,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 116 states and 215 transitions. [2023-11-21 18:36:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 215 transitions. [2023-11-21 18:36:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:17,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 117 states and 215 transitions. [2023-11-21 18:36:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 215 transitions. [2023-11-21 18:36:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:17,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 119 states and 219 transitions. [2023-11-21 18:36:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2023-11-21 18:36:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:17,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 121 states and 227 transitions. [2023-11-21 18:36:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 227 transitions. [2023-11-21 18:36:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:18,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 123 states and 236 transitions. [2023-11-21 18:36:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 236 transitions. [2023-11-21 18:36:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:18,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 127 states and 251 transitions. [2023-11-21 18:36:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 251 transitions. [2023-11-21 18:36:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:18,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 129 states and 252 transitions. [2023-11-21 18:36:19,012 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2023-11-21 18:36:19,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:19,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 130 states and 252 transitions. [2023-11-21 18:36:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 252 transitions. [2023-11-21 18:36:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:19,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 132 states and 256 transitions. [2023-11-21 18:36:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 256 transitions. [2023-11-21 18:36:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:19,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 134 states and 257 transitions. [2023-11-21 18:36:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 257 transitions. [2023-11-21 18:36:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:20,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 137 states and 259 transitions. [2023-11-21 18:36:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2023-11-21 18:36:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:20,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 140 states and 262 transitions. [2023-11-21 18:36:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 262 transitions. [2023-11-21 18:36:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:20,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 285 transitions. [2023-11-21 18:36:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2023-11-21 18:36:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:22,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:22,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:22,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 155 states and 299 transitions. [2023-11-21 18:36:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 299 transitions. [2023-11-21 18:36:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:23,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:23,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:23,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 157 states and 301 transitions. [2023-11-21 18:36:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2023-11-21 18:36:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:23,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:23,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:23,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:23,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 158 states and 304 transitions. [2023-11-21 18:36:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 304 transitions. [2023-11-21 18:36:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:24,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:24,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:24,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 160 states and 308 transitions. [2023-11-21 18:36:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2023-11-21 18:36:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:24,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:24,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:24,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:24,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 163 states and 313 transitions. [2023-11-21 18:36:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 313 transitions. [2023-11-21 18:36:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:26,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 315 transitions. [2023-11-21 18:36:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2023-11-21 18:36:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:26,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 316 transitions. [2023-11-21 18:36:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 316 transitions. [2023-11-21 18:36:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:26,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 167 states and 319 transitions. [2023-11-21 18:36:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 319 transitions. [2023-11-21 18:36:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:27,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:27,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 171 states and 335 transitions. [2023-11-21 18:36:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 335 transitions. [2023-11-21 18:36:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:28,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:28,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:36:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 173 states and 336 transitions. [2023-11-21 18:36:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2023-11-21 18:36:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:28,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:28,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 175 states and 348 transitions. [2023-11-21 18:36:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 348 transitions. [2023-11-21 18:36:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:28,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:28,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 179 states and 361 transitions. [2023-11-21 18:36:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 361 transitions. [2023-11-21 18:36:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:29,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:29,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 181 states and 367 transitions. [2023-11-21 18:36:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2023-11-21 18:36:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:29,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:29,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 190 states and 390 transitions. [2023-11-21 18:36:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2023-11-21 18:36:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:32,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 194 states and 401 transitions. [2023-11-21 18:36:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 401 transitions. [2023-11-21 18:36:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:34,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:34,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:34,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:34,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:36:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 197 states and 403 transitions. [2023-11-21 18:36:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 403 transitions. [2023-11-21 18:36:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:35,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:35,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:35,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:35,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:36:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 198 states and 406 transitions. [2023-11-21 18:36:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 406 transitions. [2023-11-21 18:36:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:35,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:35,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:35,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:36:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 203 states and 411 transitions. [2023-11-21 18:36:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 411 transitions. [2023-11-21 18:36:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:37,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:37,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:37,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:37,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 210 states and 422 transitions. [2023-11-21 18:36:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 422 transitions. [2023-11-21 18:36:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:38,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:38,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:38,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:38,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:36:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 211 states and 422 transitions. [2023-11-21 18:36:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 422 transitions. [2023-11-21 18:36:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:38,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:38,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:38,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:36:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 213 states and 426 transitions. [2023-11-21 18:36:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 426 transitions. [2023-11-21 18:36:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:39,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:39,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:39,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 216 states and 431 transitions. [2023-11-21 18:36:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 431 transitions. [2023-11-21 18:36:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:41,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:36:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 221 states and 436 transitions. [2023-11-21 18:36:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 436 transitions. [2023-11-21 18:36:41,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:41,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 225 states and 454 transitions. [2023-11-21 18:36:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 454 transitions. [2023-11-21 18:36:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:42,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:42,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:42,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:42,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-21 18:36:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 227 states and 455 transitions. [2023-11-21 18:36:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 455 transitions. [2023-11-21 18:36:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:43,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:43,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:43,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 228 states and 455 transitions. [2023-11-21 18:36:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 455 transitions. [2023-11-21 18:36:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:43,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:43,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:43,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:36:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 230 states and 456 transitions. [2023-11-21 18:36:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 456 transitions. [2023-11-21 18:36:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:36:43,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:44,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 232 states and 469 transitions. [2023-11-21 18:36:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 469 transitions. [2023-11-21 18:36:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:36:44,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:44,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:36:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 234 states and 486 transitions. [2023-11-21 18:36:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 486 transitions. [2023-11-21 18:36:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:44,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:44,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 236 states and 488 transitions. [2023-11-21 18:36:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 488 transitions. [2023-11-21 18:36:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:45,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:45,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:45,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 242 states and 495 transitions. [2023-11-21 18:36:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 495 transitions. [2023-11-21 18:36:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:46,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:46,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 243 states and 500 transitions. [2023-11-21 18:36:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 500 transitions. [2023-11-21 18:36:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:46,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:46,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-21 18:36:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 246 states and 502 transitions. [2023-11-21 18:36:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 502 transitions. [2023-11-21 18:36:47,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:47,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:47,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:36:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 249 states and 504 transitions. [2023-11-21 18:36:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 504 transitions. [2023-11-21 18:36:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:47,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:47,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:36:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 251 states and 506 transitions. [2023-11-21 18:36:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 506 transitions. [2023-11-21 18:36:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:47,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:47,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 265 states and 536 transitions. [2023-11-21 18:36:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 536 transitions. [2023-11-21 18:36:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:52,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:52,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:36:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 266 states and 540 transitions. [2023-11-21 18:36:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 540 transitions. [2023-11-21 18:36:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:52,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:52,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 270 states and 560 transitions. [2023-11-21 18:36:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 560 transitions. [2023-11-21 18:36:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:54,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:54,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-21 18:36:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 272 states and 561 transitions. [2023-11-21 18:36:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 561 transitions. [2023-11-21 18:36:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:54,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:54,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-21 18:36:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 274 states and 566 transitions. [2023-11-21 18:36:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 566 transitions. [2023-11-21 18:36:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:54,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:54,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.