./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/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_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/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_a9e4b5ec-f869-4c84-968e-b8453605fb93/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 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:08,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:08,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:34:08,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:08,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:08,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:08,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:08,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:08,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:08,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:08,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:08,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:08,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:34:08,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:08,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:34:08,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:08,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:08,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:08,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:08,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:08,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:08,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:34:08,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:08,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:08,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:08,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:08,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:08,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:08,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:08,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:08,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:08,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:08,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:08,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:08,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:08,546 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_a9e4b5ec-f869-4c84-968e-b8453605fb93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 [2023-11-21 18:34:08,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:08,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:08,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:08,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:08,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:08,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2023-11-21 18:34:12,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:12,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:12,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2023-11-21 18:34:12,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/data/14259ba28/aa673e3bf4cd422786696fa90b97c137/FLAGed1c00343 [2023-11-21 18:34:12,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/data/14259ba28/aa673e3bf4cd422786696fa90b97c137 [2023-11-21 18:34:12,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:12,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:12,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:12,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:12,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:12,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f384b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12, skipping insertion in model container [2023-11-21 18:34:12,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:12,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:12,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:12,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:12,807 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:12,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12 WrapperNode [2023-11-21 18:34:12,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:12,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:12,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:12,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:12,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,861 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2023-11-21 18:34:12,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:12,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:12,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:12,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:12,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:12,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:12,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:12,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:12,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:12,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:12,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:12,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e4b5ec-f869-4c84-968e-b8453605fb93/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:34:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:34:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:13,090 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:13,092 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:13,397 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:13,481 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:13,482 INFO L308 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-21 18:34:13,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:13 BoogieIcfgContainer [2023-11-21 18:34:13,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:13,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:13,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:13,498 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:13,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:13" (1/1) ... [2023-11-21 18:34:13,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-21 18:34:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:34:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:13,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:13,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:13,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-21 18:34:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-21 18:34:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:34:13,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:13,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:13,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-21 18:34:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-21 18:34:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:34:13,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:13,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:13,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2023-11-21 18:34:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-21 18:34:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:34:14,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 58 states and 82 transitions. [2023-11-21 18:34:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-21 18:34:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:34:14,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:34:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:34:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2023-11-21 18:34:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-11-21 18:34:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2023-11-21 18:34:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-21 18:34:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2023-11-21 18:34:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-21 18:34:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2023-11-21 18:34:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2023-11-21 18:34:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2023-11-21 18:34:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2023-11-21 18:34:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:15,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2023-11-21 18:34:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2023-11-21 18:34:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 85 states and 155 transitions. [2023-11-21 18:34:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 155 transitions. [2023-11-21 18:34:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 88 states and 164 transitions. [2023-11-21 18:34:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2023-11-21 18:34:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 92 states and 172 transitions. [2023-11-21 18:34:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2023-11-21 18:34:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 95 states and 181 transitions. [2023-11-21 18:34:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 181 transitions. [2023-11-21 18:34:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 97 states and 186 transitions. [2023-11-21 18:34:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2023-11-21 18:34:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 101 states and 199 transitions. [2023-11-21 18:34:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 199 transitions. [2023-11-21 18:34:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 104 states and 208 transitions. [2023-11-21 18:34:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 208 transitions. [2023-11-21 18:34:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 107 states and 215 transitions. [2023-11-21 18:34:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 215 transitions. [2023-11-21 18:34:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 108 states and 217 transitions. [2023-11-21 18:34:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 217 transitions. [2023-11-21 18:34:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 110 states and 218 transitions. [2023-11-21 18:34:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 218 transitions. [2023-11-21 18:34:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:16,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2023-11-21 18:34:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2023-11-21 18:34:17,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:17,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:17,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:17,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:17,495 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 18:34:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2023-11-21 18:34:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2023-11-21 18:34:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:17,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:17,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:17,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:17,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 116 states and 234 transitions. [2023-11-21 18:34:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 234 transitions. [2023-11-21 18:34:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:18,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:18,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:18,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2023-11-21 18:34:18,720 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2023-11-21 18:34:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:18,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:18,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:18,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:18,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 121 states and 244 transitions. [2023-11-21 18:34:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 244 transitions. [2023-11-21 18:34:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:19,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,244 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 18:34:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 124 states and 247 transitions. [2023-11-21 18:34:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 247 transitions. [2023-11-21 18:34:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:19,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,525 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 18:34:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 126 states and 248 transitions. [2023-11-21 18:34:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 248 transitions. [2023-11-21 18:34:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:19,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 251 transitions. [2023-11-21 18:34:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 251 transitions. [2023-11-21 18:34:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:20,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:20,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:20,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:20,187 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 18:34:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 252 transitions. [2023-11-21 18:34:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2023-11-21 18:34:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:20,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:20,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:20,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 134 states and 261 transitions. [2023-11-21 18:34:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 261 transitions. [2023-11-21 18:34:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:20,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:20,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:20,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:20,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:34:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 137 states and 264 transitions. [2023-11-21 18:34:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 264 transitions. [2023-11-21 18:34:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:21,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:21,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:21,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 265 transitions. [2023-11-21 18:34:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 265 transitions. [2023-11-21 18:34:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:21,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:21,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:21,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 142 states and 268 transitions. [2023-11-21 18:34:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 268 transitions. [2023-11-21 18:34:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:22,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:22,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:22,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:22,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 144 states and 269 transitions. [2023-11-21 18:34:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 269 transitions. [2023-11-21 18:34:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:22,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:22,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:22,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:22,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 147 states and 278 transitions. [2023-11-21 18:34:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2023-11-21 18:34:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:22,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:22,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:22,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:22,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:34:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 150 states and 281 transitions. [2023-11-21 18:34:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2023-11-21 18:34:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:23,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:23,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:34:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 152 states and 282 transitions. [2023-11-21 18:34:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2023-11-21 18:34:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:23,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:23,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 285 transitions. [2023-11-21 18:34:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 285 transitions. [2023-11-21 18:34:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:23,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:34:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 286 transitions. [2023-11-21 18:34:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 286 transitions. [2023-11-21 18:34:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:24,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 160 states and 295 transitions. [2023-11-21 18:34:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2023-11-21 18:34:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:34:24,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:34:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 298 transitions. [2023-11-21 18:34:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2023-11-21 18:34:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:34:25,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:25,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:34:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 165 states and 299 transitions. [2023-11-21 18:34:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2023-11-21 18:34:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:25,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:25,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 168 states and 302 transitions. [2023-11-21 18:34:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 302 transitions. [2023-11-21 18:34:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:26,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:26,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:34:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 170 states and 303 transitions. [2023-11-21 18:34:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 303 transitions. [2023-11-21 18:34:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:26,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:26,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 173 states and 312 transitions. [2023-11-21 18:34:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 312 transitions. [2023-11-21 18:34:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:34:27,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,086 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 18:34:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 176 states and 315 transitions. [2023-11-21 18:34:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 315 transitions. [2023-11-21 18:34:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:34:27,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:34:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 316 transitions. [2023-11-21 18:34:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 316 transitions. [2023-11-21 18:34:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:27,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 181 states and 319 transitions. [2023-11-21 18:34:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 319 transitions. [2023-11-21 18:34:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:28,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:28,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:34:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 183 states and 320 transitions. [2023-11-21 18:34:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 320 transitions. [2023-11-21 18:34:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:28,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:34:28,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 186 states and 329 transitions. [2023-11-21 18:34:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 329 transitions. [2023-11-21 18:34:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:29,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:29,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:34:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 189 states and 332 transitions. [2023-11-21 18:34:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 332 transitions. [2023-11-21 18:34:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:29,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:29,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:34:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 191 states and 333 transitions. [2023-11-21 18:34:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 333 transitions. [2023-11-21 18:34:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:30,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:30,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 194 states and 336 transitions. [2023-11-21 18:34:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 336 transitions. [2023-11-21 18:34:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:30,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:30,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:34:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 196 states and 337 transitions. [2023-11-21 18:34:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 337 transitions. [2023-11-21 18:34:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:31,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:31,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 199 states and 346 transitions. [2023-11-21 18:34:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 346 transitions. [2023-11-21 18:34:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:34:31,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:31,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:34:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 202 states and 349 transitions. [2023-11-21 18:34:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 349 transitions. [2023-11-21 18:34:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:34:32,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:32,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:32,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:34:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 204 states and 350 transitions. [2023-11-21 18:34:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 350 transitions. [2023-11-21 18:34:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:32,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:32,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:32,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:34:32,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 207 states and 353 transitions. [2023-11-21 18:34:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 353 transitions. [2023-11-21 18:34:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:33,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:33,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:33,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:34:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 209 states and 354 transitions. [2023-11-21 18:34:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 354 transitions. [2023-11-21 18:34:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:33,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:33,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:34:33,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 212 states and 363 transitions. [2023-11-21 18:34:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 363 transitions. [2023-11-21 18:34:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:34:34,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:34,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:34:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 215 states and 366 transitions. [2023-11-21 18:34:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 366 transitions. [2023-11-21 18:34:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:34:34,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:34,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:34:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 217 states and 367 transitions. [2023-11-21 18:34:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 367 transitions. [2023-11-21 18:34:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:34:34,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:34,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 220 states and 370 transitions. [2023-11-21 18:34:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 370 transitions. [2023-11-21 18:34:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:34:35,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:35,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:35,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:35,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:34:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 222 states and 371 transitions. [2023-11-21 18:34:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 371 transitions. [2023-11-21 18:34:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:34:36,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:36,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:36,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:36,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2023-11-21 18:34:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2023-11-21 18:34:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:34:36,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:36,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:36,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:34:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 228 states and 383 transitions. [2023-11-21 18:34:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2023-11-21 18:34:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:34:37,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:37,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:34:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 230 states and 384 transitions. [2023-11-21 18:34:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 384 transitions. [2023-11-21 18:34:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:34:37,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:34:37,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 233 states and 387 transitions. [2023-11-21 18:34:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 387 transitions. [2023-11-21 18:34:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:34:38,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:38,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:34:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 235 states and 388 transitions. [2023-11-21 18:34:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 388 transitions. [2023-11-21 18:34:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:34:38,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:34:38,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 238 states and 397 transitions. [2023-11-21 18:34:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 397 transitions. [2023-11-21 18:34:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:34:39,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:39,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:39,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:34:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 241 states and 400 transitions. [2023-11-21 18:34:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 400 transitions. [2023-11-21 18:34:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:34:40,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:40,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:40,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:34:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 243 states and 401 transitions. [2023-11-21 18:34:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 401 transitions. [2023-11-21 18:34:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:40,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:40,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:40,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:40,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 246 states and 404 transitions. [2023-11-21 18:34:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 404 transitions. [2023-11-21 18:34:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:41,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:41,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:41,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:34:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 248 states and 405 transitions. [2023-11-21 18:34:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 405 transitions. [2023-11-21 18:34:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:41,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:41,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:41,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 251 states and 414 transitions. [2023-11-21 18:34:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 414 transitions. [2023-11-21 18:34:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:42,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:42,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:42,613 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:34:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 254 states and 417 transitions. [2023-11-21 18:34:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 417 transitions. [2023-11-21 18:34:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:43,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:34:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 256 states and 418 transitions. [2023-11-21 18:34:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 418 transitions. [2023-11-21 18:34:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:34:43,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 259 states and 421 transitions. [2023-11-21 18:34:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 421 transitions. [2023-11-21 18:34:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:34:44,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:34:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 261 states and 422 transitions. [2023-11-21 18:34:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 422 transitions. [2023-11-21 18:34:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:34:44,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 264 states and 431 transitions. [2023-11-21 18:34:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 431 transitions. [2023-11-21 18:34:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:34:45,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:45,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:45,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:45,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:34:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 267 states and 434 transitions. [2023-11-21 18:34:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 434 transitions. [2023-11-21 18:34:46,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:34:46,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:46,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:46,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:34:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 269 states and 435 transitions. [2023-11-21 18:34:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 435 transitions. [2023-11-21 18:34:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:34:46,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:46,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:46,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:34:46,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 272 states and 438 transitions. [2023-11-21 18:34:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 438 transitions. [2023-11-21 18:34:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:34:47,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:47,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:47,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:34:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 274 states and 439 transitions. [2023-11-21 18:34:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 439 transitions. [2023-11-21 18:34:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:34:47,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:47,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:34:47,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 277 states and 448 transitions. [2023-11-21 18:34:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 448 transitions. [2023-11-21 18:34:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:34:48,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:48,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:48,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:34:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:49,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 280 states and 451 transitions. [2023-11-21 18:34:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 451 transitions. [2023-11-21 18:34:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:34:49,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:49,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:49,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:34:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 282 states and 452 transitions. [2023-11-21 18:34:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 452 transitions. [2023-11-21 18:34:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:34:49,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:49,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:34:49,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 15 proven. 247 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 285 states and 455 transitions. [2023-11-21 18:34:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 455 transitions. [2023-11-21 18:34:50,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:34:50,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:51,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:34:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-11-21 18:34:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-11-21 18:34:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:34:51,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:51,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:34:51,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 290 states and 465 transitions. [2023-11-21 18:34:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 465 transitions. [2023-11-21 18:34:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:34:52,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:52,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:52,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-21 18:34:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 293 states and 468 transitions. [2023-11-21 18:34:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 468 transitions. [2023-11-21 18:34:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:34:52,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:52,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:52,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-21 18:34:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 295 states and 469 transitions. [2023-11-21 18:34:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 469 transitions. [2023-11-21 18:34:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:53,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:53,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:34:53,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 16 proven. 287 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 298 states and 472 transitions. [2023-11-21 18:34:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 472 transitions. [2023-11-21 18:34:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:54,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:54,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:54,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:54,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-21 18:34:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 300 states and 473 transitions. [2023-11-21 18:34:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 473 transitions. [2023-11-21 18:34:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:54,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:54,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:54,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:34:54,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 303 states and 482 transitions. [2023-11-21 18:34:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 482 transitions. [2023-11-21 18:34:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:34:55,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:56,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-21 18:34:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 306 states and 485 transitions. [2023-11-21 18:34:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 485 transitions. [2023-11-21 18:34:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:34:56,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:56,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-21 18:34:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 308 states and 486 transitions. [2023-11-21 18:34:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 486 transitions. [2023-11-21 18:34:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:34:57,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:57,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:57,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:34:57,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 17 proven. 330 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 311 states and 489 transitions. [2023-11-21 18:34:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 489 transitions. [2023-11-21 18:34:58,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:34:58,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:58,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:58,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-21 18:34:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:58,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 313 states and 490 transitions. [2023-11-21 18:34:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 490 transitions. [2023-11-21 18:34:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:34:58,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:58,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:34:58,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 316 states and 499 transitions. [2023-11-21 18:34:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 499 transitions. [2023-11-21 18:34:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:34:59,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:59,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:59,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:59,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-11-21 18:35:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 319 states and 502 transitions. [2023-11-21 18:35:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 502 transitions. [2023-11-21 18:35:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:35:00,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:00,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:00,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-21 18:35:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 321 states and 503 transitions. [2023-11-21 18:35:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 503 transitions. [2023-11-21 18:35:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:35:01,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:01,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:01,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.