./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/min-2-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_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/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_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/min-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/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_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/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 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:30,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:30,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:30,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:30,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:30,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:30,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:31,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:31,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:31,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:31,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:31,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:31,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:31,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:31,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:31,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:31,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:31,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:31,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:31,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:31,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:31,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:31,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:31,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:31,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:31,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:31,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:31,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:31,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:31,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:31,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:31,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:31,025 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:31,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:31,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:31,026 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_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda [2023-11-21 18:49:31,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:31,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:31,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:31,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:31,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:31,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/min-2-u.c [2023-11-21 18:49:34,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:34,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:34,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/sv-benchmarks/c/array-multidimensional/min-2-u.c [2023-11-21 18:49:34,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/data/11df66ce4/1ec57953b28a4ea091d6dfb6c6007d00/FLAGf17eccfde [2023-11-21 18:49:35,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/data/11df66ce4/1ec57953b28a4ea091d6dfb6c6007d00 [2023-11-21 18:49:35,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:35,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:35,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:35,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:35,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:35,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c90d53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35, skipping insertion in model container [2023-11-21 18:49:35,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:35,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:35,224 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:35,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:35,260 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:35,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35 WrapperNode [2023-11-21 18:49:35,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:35,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:35,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:35,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:35,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,302 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-21 18:49:35,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:35,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:35,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:35,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:35,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:35,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:35,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:35,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:35,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:35,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:35,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c7e9-e9cb-416a-b82c-7e6f96404c2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:35,494 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:35,497 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:35,711 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:35,816 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:35,820 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 18:49:35,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:35 BoogieIcfgContainer [2023-11-21 18:49:35,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:35,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:35,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:35,837 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:35,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:35" (1/1) ... [2023-11-21 18:49:35,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-21 18:49:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:49:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:35,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,175 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 18:49:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:49:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:49:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:36,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,309 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 18:49:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2023-11-21 18:49:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-21 18:49:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:36,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,435 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 18:49:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2023-11-21 18:49:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-21 18:49:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:36,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,498 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 18:49:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2023-11-21 18:49:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2023-11-21 18:49:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:36,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,619 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 18:49:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-21 18:49:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-21 18:49:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:36,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,834 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 18:49:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-21 18:49:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-21 18:49:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:37,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,140 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 18:49:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2023-11-21 18:49:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-11-21 18:49:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:37,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,235 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 18:49:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2023-11-21 18:49:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2023-11-21 18:49:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:37,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,328 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 18:49:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2023-11-21 18:49:37,377 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2023-11-21 18:49:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:37,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,414 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 18:49:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2023-11-21 18:49:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2023-11-21 18:49:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:37,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,537 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 18:49:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2023-11-21 18:49:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2023-11-21 18:49:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:37,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,666 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 18:49:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 68 states and 124 transitions. [2023-11-21 18:49:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 124 transitions. [2023-11-21 18:49:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:37,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,880 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 18:49:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2023-11-21 18:49:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2023-11-21 18:49:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:37,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,948 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 18:49:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2023-11-21 18:49:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2023-11-21 18:49:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:38,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,082 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 18:49:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2023-11-21 18:49:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2023-11-21 18:49:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:38,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,298 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 18:49:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 71 states and 125 transitions. [2023-11-21 18:49:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2023-11-21 18:49:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:38,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,571 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 18:49:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2023-11-21 18:49:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2023-11-21 18:49:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:38,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,818 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 18:49:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 76 states and 132 transitions. [2023-11-21 18:49:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 132 transitions. [2023-11-21 18:49:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:49:39,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,241 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 18:49:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2023-11-21 18:49:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2023-11-21 18:49:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:49:39,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,419 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 18:49:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 81 states and 140 transitions. [2023-11-21 18:49:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2023-11-21 18:49:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:49:39,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,750 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 18:49:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 143 transitions. [2023-11-21 18:49:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2023-11-21 18:49:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:49:39,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,067 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 18:49:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2023-11-21 18:49:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2023-11-21 18:49:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:40,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,371 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 18:49:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2023-11-21 18:49:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2023-11-21 18:49:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:40,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,545 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 18:49:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2023-11-21 18:49:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2023-11-21 18:49:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:40,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,929 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 18:49:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 157 transitions. [2023-11-21 18:49:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 157 transitions. [2023-11-21 18:49:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:41,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,260 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 18:49:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2023-11-21 18:49:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2023-11-21 18:49:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:41,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,604 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 18:49:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 161 transitions. [2023-11-21 18:49:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2023-11-21 18:49:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:41,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,844 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 18:49:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 103 states and 168 transitions. [2023-11-21 18:49:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2023-11-21 18:49:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:42,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:42,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:42,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:42,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,247 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 18:49:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 106 states and 171 transitions. [2023-11-21 18:49:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2023-11-21 18:49:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:42,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:42,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:42,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:42,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,609 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 18:49:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 174 transitions. [2023-11-21 18:49:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2023-11-21 18:49:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:42,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:42,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:42,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:43,029 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 18:49:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 111 states and 175 transitions. [2023-11-21 18:49:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 175 transitions. [2023-11-21 18:49:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:43,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:43,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:43,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:43,276 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 18:49:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 114 states and 182 transitions. [2023-11-21 18:49:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2023-11-21 18:49:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:43,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:43,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:43,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:43,714 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 18:49:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 117 states and 185 transitions. [2023-11-21 18:49:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 185 transitions. [2023-11-21 18:49:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:43,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:44,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:44,147 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 18:49:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-11-21 18:49:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-21 18:49:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:44,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:44,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:44,547 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 18:49:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 189 transitions. [2023-11-21 18:49:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2023-11-21 18:49:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:44,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:49:44,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:44,813 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 18:49:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 125 states and 196 transitions. [2023-11-21 18:49:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-11-21 18:49:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:45,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,285 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 18:49:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 128 states and 199 transitions. [2023-11-21 18:49:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2023-11-21 18:49:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:45,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,748 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 18:49:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2023-11-21 18:49:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2023-11-21 18:49:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:49:46,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,196 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 18:49:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2023-11-21 18:49:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-11-21 18:49:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:46,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,470 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 18:49:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 136 states and 210 transitions. [2023-11-21 18:49:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 210 transitions. [2023-11-21 18:49:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:46,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:47,000 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 18:49:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 139 states and 213 transitions. [2023-11-21 18:49:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2023-11-21 18:49:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:47,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:47,491 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 18:49:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 142 states and 216 transitions. [2023-11-21 18:49:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 216 transitions. [2023-11-21 18:49:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:49:47,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:47,990 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 18:49:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 144 states and 217 transitions. [2023-11-21 18:49:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 217 transitions. [2023-11-21 18:49:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:48,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:48,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:49:48,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:48,350 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 18:49:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 147 states and 224 transitions. [2023-11-21 18:49:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 224 transitions. [2023-11-21 18:49:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:48,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:48,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:48,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:48,929 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 18:49:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 150 states and 227 transitions. [2023-11-21 18:49:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 227 transitions. [2023-11-21 18:49:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:49,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:49,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:49:49,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:49,459 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 18:49:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2023-11-21 18:49:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2023-11-21 18:49:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:49:49,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:49,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:49,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:49,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:49,998 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 18:49:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 155 states and 231 transitions. [2023-11-21 18:49:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2023-11-21 18:49:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:50,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:50,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:50,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:50,334 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 18:49:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 158 states and 238 transitions. [2023-11-21 18:49:50,814 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 238 transitions. [2023-11-21 18:49:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:50,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:50,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:50,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:50,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:50,920 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 18:49:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 161 states and 241 transitions. [2023-11-21 18:49:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 241 transitions. [2023-11-21 18:49:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:51,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:51,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:51,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:51,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:51,523 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 18:49:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 164 states and 244 transitions. [2023-11-21 18:49:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 244 transitions. [2023-11-21 18:49:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:51,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:51,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:51,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:52,055 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 18:49:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2023-11-21 18:49:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2023-11-21 18:49:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:52,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:49:52,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:52,403 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 18:49:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 169 states and 252 transitions. [2023-11-21 18:49:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 252 transitions. [2023-11-21 18:49:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:52,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:52,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:52,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:53,019 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 18:49:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 172 states and 255 transitions. [2023-11-21 18:49:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 255 transitions. [2023-11-21 18:49:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:53,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:53,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:49:53,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:53,637 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 18:49:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 175 states and 258 transitions. [2023-11-21 18:49:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 258 transitions. [2023-11-21 18:49:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:54,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:54,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:54,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:54,245 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 18:49:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 177 states and 259 transitions. [2023-11-21 18:49:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 259 transitions. [2023-11-21 18:49:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:54,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:54,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:54,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:54,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:54,606 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 18:49:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 180 states and 266 transitions. [2023-11-21 18:49:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 266 transitions. [2023-11-21 18:49:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:55,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:55,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:55,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:55,192 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 18:49:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 183 states and 269 transitions. [2023-11-21 18:49:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 269 transitions. [2023-11-21 18:49:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:55,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:55,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:55,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:55,795 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 18:49:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 186 states and 272 transitions. [2023-11-21 18:49:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 272 transitions. [2023-11-21 18:49:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:49:56,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:56,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:56,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:56,365 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 18:49:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 188 states and 273 transitions. [2023-11-21 18:49:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 273 transitions. [2023-11-21 18:49:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:49:56,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:56,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:56,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:49:56,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:56,733 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 18:49:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 191 states and 280 transitions. [2023-11-21 18:49:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 280 transitions. [2023-11-21 18:49:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:49:57,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,383 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 18:49:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 194 states and 283 transitions. [2023-11-21 18:49:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 283 transitions. [2023-11-21 18:49:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:49:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,097 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 18:49:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 197 states and 286 transitions. [2023-11-21 18:49:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 286 transitions. [2023-11-21 18:49:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:49:58,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,692 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 18:49:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 199 states and 287 transitions. [2023-11-21 18:49:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 287 transitions. [2023-11-21 18:49:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:49:58,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:59,074 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 18:49:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 202 states and 294 transitions. [2023-11-21 18:49:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 294 transitions. [2023-11-21 18:49:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:49:59,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:59,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:59,734 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 18:50:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 205 states and 297 transitions. [2023-11-21 18:50:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 297 transitions. [2023-11-21 18:50:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:50:00,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:00,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:00,399 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 18:50:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 208 states and 300 transitions. [2023-11-21 18:50:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2023-11-21 18:50:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:00,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:00,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:00,993 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 18:50:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 301 transitions. [2023-11-21 18:50:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 301 transitions. [2023-11-21 18:50:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:50:01,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:01,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:01,404 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 18:50:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 213 states and 308 transitions. [2023-11-21 18:50:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 308 transitions. [2023-11-21 18:50:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:50:01,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:02,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:02,085 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 18:50:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 311 transitions. [2023-11-21 18:50:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2023-11-21 18:50:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:50:02,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:02,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:02,763 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 18:50:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 219 states and 314 transitions. [2023-11-21 18:50:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 314 transitions. [2023-11-21 18:50:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:03,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:03,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:03,446 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 18:50:03,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 221 states and 315 transitions. [2023-11-21 18:50:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 315 transitions. [2023-11-21 18:50:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:03,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:03,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:03,900 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 18:50:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 224 states and 322 transitions. [2023-11-21 18:50:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 322 transitions. [2023-11-21 18:50:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:04,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:04,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:04,704 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 18:50:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 227 states and 325 transitions. [2023-11-21 18:50:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 325 transitions. [2023-11-21 18:50:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:05,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:05,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:05,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:05,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:05,478 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 18:50:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 230 states and 328 transitions. [2023-11-21 18:50:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 328 transitions. [2023-11-21 18:50:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:50:06,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:06,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:06,175 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 18:50:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 232 states and 329 transitions. [2023-11-21 18:50:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 329 transitions. [2023-11-21 18:50:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:50:06,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:50:06,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:06,633 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 18:50:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 235 states and 336 transitions. [2023-11-21 18:50:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 336 transitions. [2023-11-21 18:50:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:50:07,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:07,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:07,379 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 18:50:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 238 states and 339 transitions. [2023-11-21 18:50:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 339 transitions. [2023-11-21 18:50:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:50:07,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:50:07,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:08,252 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 18:50:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 241 states and 342 transitions. [2023-11-21 18:50:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 342 transitions. [2023-11-21 18:50:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:08,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:08,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,049 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 18:50:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 243 states and 343 transitions. [2023-11-21 18:50:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 343 transitions. [2023-11-21 18:50:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:50:09,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:09,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 246 states and 350 transitions. [2023-11-21 18:50:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 350 transitions. [2023-11-21 18:50:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:50:10,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:10,431 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 18:50:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 249 states and 353 transitions. [2023-11-21 18:50:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 353 transitions. [2023-11-21 18:50:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:50:10,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 18 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 252 states and 356 transitions. [2023-11-21 18:50:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 356 transitions. [2023-11-21 18:50:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:50:11,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-21 18:50:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 254 states and 357 transitions. [2023-11-21 18:50:12,180 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 357 transitions. [2023-11-21 18:50:12,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:50:12,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 257 states and 364 transitions. [2023-11-21 18:50:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 364 transitions. [2023-11-21 18:50:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:50:13,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-21 18:50:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 260 states and 367 transitions. [2023-11-21 18:50:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 367 transitions. [2023-11-21 18:50:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:50:13,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 19 proven. 425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 263 states and 370 transitions. [2023-11-21 18:50:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 370 transitions. [2023-11-21 18:50:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:50:14,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-21 18:50:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 265 states and 371 transitions. [2023-11-21 18:50:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 371 transitions. [2023-11-21 18:50:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:50:15,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 268 states and 378 transitions. [2023-11-21 18:50:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 378 transitions. [2023-11-21 18:50:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:50:16,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-21 18:50:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 271 states and 381 transitions. [2023-11-21 18:50:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2023-11-21 18:50:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:50:16,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 20 proven. 477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 274 states and 384 transitions. [2023-11-21 18:50:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 384 transitions. [2023-11-21 18:50:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:50:17,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-21 18:50:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 276 states and 385 transitions. [2023-11-21 18:50:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 385 transitions. [2023-11-21 18:50:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:50:18,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2023-11-21 18:50:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2023-11-21 18:50:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:50:19,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:19,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:19,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-21 18:50:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 282 states and 395 transitions. [2023-11-21 18:50:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 395 transitions. [2023-11-21 18:50:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:50:20,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 21 proven. 532 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 285 states and 398 transitions. [2023-11-21 18:50:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 398 transitions. [2023-11-21 18:50:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:50:21,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-21 18:50:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 287 states and 399 transitions. [2023-11-21 18:50:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 399 transitions. [2023-11-21 18:50:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:50:21,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.