./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/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_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/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_13dac366-f818-4419-bcc3-a9513957b095/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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:11,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:11,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:11,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:11,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:11,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:11,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:11,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:11,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:11,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:11,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:11,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:11,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:11,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:11,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:11,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:11,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:11,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:11,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:11,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:11,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:11,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:11,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:11,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:11,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:11,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:11,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:11,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:11,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:11,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:11,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:11,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:11,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:11,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:11,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:11,833 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_13dac366-f818-4419-bcc3-a9513957b095/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2023-11-21 18:54:12,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:12,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:12,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:12,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:12,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:12,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2023-11-21 18:54:15,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:15,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:15,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2023-11-21 18:54:15,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/data/8821d2617/71e491af5f9148be9ceaecce5d5bb242/FLAG8caea3be4 [2023-11-21 18:54:15,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/data/8821d2617/71e491af5f9148be9ceaecce5d5bb242 [2023-11-21 18:54:15,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:15,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:15,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:15,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:15,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:15,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:15" (1/1) ... [2023-11-21 18:54:15,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19286ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:15, skipping insertion in model container [2023-11-21 18:54:15,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:15" (1/1) ... [2023-11-21 18:54:15,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:16,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:16,077 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:16,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:16,135 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:16,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16 WrapperNode [2023-11-21 18:54:16,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:16,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:16,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:16,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:16,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,197 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-21 18:54:16,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:16,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:16,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:16,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:16,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:16,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:16,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:16,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:16,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:16,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:16,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:16,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dac366-f818-4419-bcc3-a9513957b095/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:54:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:54:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:16,453 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:16,456 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:16,846 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:16,954 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:16,955 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 18:54:16,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:16 BoogieIcfgContainer [2023-11-21 18:54:16,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:16,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:16,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:16,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:16,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-21 18:54:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-21 18:54:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:54:17,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:17,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:17,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:17,321 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 18:54:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-21 18:54:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-21 18:54:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:54:17,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:17,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:17,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:17,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:17,432 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 18:54:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-21 18:54:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-21 18:54:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:17,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:17,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:17,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:17,708 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 18:54:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2023-11-21 18:54:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2023-11-21 18:54:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:17,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:17,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:17,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:17,827 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 18:54:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2023-11-21 18:54:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2023-11-21 18:54:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:17,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:17,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:17,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:17,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:17,959 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 18:54:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2023-11-21 18:54:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-21 18:54:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:18,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,193 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 18:54:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2023-11-21 18:54:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2023-11-21 18:54:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:18,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,435 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 18:54:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2023-11-21 18:54:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2023-11-21 18:54:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:18,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,508 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 18:54:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2023-11-21 18:54:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-21 18:54:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:18,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,585 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 18:54:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2023-11-21 18:54:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2023-11-21 18:54:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:18,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,774 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 18:54:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2023-11-21 18:54:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2023-11-21 18:54:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:18,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,909 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 18:54:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 69 states and 121 transitions. [2023-11-21 18:54:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 121 transitions. [2023-11-21 18:54:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:18,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,993 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 18:54:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 73 states and 131 transitions. [2023-11-21 18:54:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 131 transitions. [2023-11-21 18:54:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:19,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:19,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:19,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 75 states and 134 transitions. [2023-11-21 18:54:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2023-11-21 18:54:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:19,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:19,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:19,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2023-11-21 18:54:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2023-11-21 18:54:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:19,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:19,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:19,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:54:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 136 transitions. [2023-11-21 18:54:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2023-11-21 18:54:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:19,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:19,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:19,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 79 states and 141 transitions. [2023-11-21 18:54:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 141 transitions. [2023-11-21 18:54:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:20,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:20,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:20,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 82 states and 148 transitions. [2023-11-21 18:54:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 148 transitions. [2023-11-21 18:54:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:20,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:20,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:20,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 151 transitions. [2023-11-21 18:54:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2023-11-21 18:54:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:54:20,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:20,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:20,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:20,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:54:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 87 states and 152 transitions. [2023-11-21 18:54:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2023-11-21 18:54:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:21,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:21,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:21,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 155 transitions. [2023-11-21 18:54:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 155 transitions. [2023-11-21 18:54:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:21,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:21,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:21,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:21,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 93 states and 162 transitions. [2023-11-21 18:54:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2023-11-21 18:54:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:21,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:21,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:21,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:54:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 165 transitions. [2023-11-21 18:54:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2023-11-21 18:54:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:54:22,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:22,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:22,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:54:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 166 transitions. [2023-11-21 18:54:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2023-11-21 18:54:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:54:22,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:22,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:22,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:22,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 101 states and 169 transitions. [2023-11-21 18:54:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 169 transitions. [2023-11-21 18:54:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:54:22,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:22,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:22,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:22,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 104 states and 176 transitions. [2023-11-21 18:54:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 176 transitions. [2023-11-21 18:54:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:54:23,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:54:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 107 states and 179 transitions. [2023-11-21 18:54:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2023-11-21 18:54:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:54:23,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:54:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 180 transitions. [2023-11-21 18:54:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2023-11-21 18:54:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:23,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 183 transitions. [2023-11-21 18:54:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2023-11-21 18:54:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:24,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:24,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:54:24,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 190 transitions. [2023-11-21 18:54:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2023-11-21 18:54:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:24,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:24,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:24,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:54:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 193 transitions. [2023-11-21 18:54:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 193 transitions. [2023-11-21 18:54:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:54:24,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:24,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:24,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:54:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 194 transitions. [2023-11-21 18:54:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2023-11-21 18:54:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:24,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:24,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:25,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:25,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 197 transitions. [2023-11-21 18:54:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2023-11-21 18:54:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:25,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:25,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:25,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:25,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 204 transitions. [2023-11-21 18:54:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2023-11-21 18:54:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:26,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:26,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:26,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:54:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 207 transitions. [2023-11-21 18:54:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2023-11-21 18:54:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:54:26,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:26,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:26,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-21 18:54:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 131 states and 208 transitions. [2023-11-21 18:54:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 208 transitions. [2023-11-21 18:54:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:54:26,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:26,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:54:26,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 211 transitions. [2023-11-21 18:54:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-21 18:54:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:54:27,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:27,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:54:27,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 218 transitions. [2023-11-21 18:54:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 218 transitions. [2023-11-21 18:54:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:54:27,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:27,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:27,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-21 18:54:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 140 states and 221 transitions. [2023-11-21 18:54:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2023-11-21 18:54:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:27,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:28,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:28,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:54:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 142 states and 222 transitions. [2023-11-21 18:54:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 222 transitions. [2023-11-21 18:54:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:28,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:28,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:54:28,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 145 states and 225 transitions. [2023-11-21 18:54:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-11-21 18:54:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:28,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:28,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:28,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:54:28,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 232 transitions. [2023-11-21 18:54:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 232 transitions. [2023-11-21 18:54:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:29,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:54:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 151 states and 235 transitions. [2023-11-21 18:54:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-11-21 18:54:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:54:29,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-21 18:54:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 153 states and 236 transitions. [2023-11-21 18:54:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 236 transitions. [2023-11-21 18:54:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:54:29,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 156 states and 239 transitions. [2023-11-21 18:54:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-21 18:54:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:54:30,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:30,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:30,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:54:30,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 159 states and 246 transitions. [2023-11-21 18:54:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 246 transitions. [2023-11-21 18:54:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:54:31,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:31,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:31,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-21 18:54:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 162 states and 249 transitions. [2023-11-21 18:54:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2023-11-21 18:54:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:54:31,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:31,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-21 18:54:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 250 transitions. [2023-11-21 18:54:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2023-11-21 18:54:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:31,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:31,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:54:31,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 167 states and 253 transitions. [2023-11-21 18:54:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2023-11-21 18:54:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:32,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:32,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:54:32,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 170 states and 260 transitions. [2023-11-21 18:54:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 260 transitions. [2023-11-21 18:54:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:33,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:33,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:33,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:33,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-21 18:54:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 263 transitions. [2023-11-21 18:54:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 263 transitions. [2023-11-21 18:54:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:54:33,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:33,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:33,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:33,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:54:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 175 states and 264 transitions. [2023-11-21 18:54:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 264 transitions. [2023-11-21 18:54:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:54:33,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:33,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:54:33,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 178 states and 267 transitions. [2023-11-21 18:54:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 267 transitions. [2023-11-21 18:54:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:54:34,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:34,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:34,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:54:34,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 181 states and 274 transitions. [2023-11-21 18:54:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 274 transitions. [2023-11-21 18:54:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:54:35,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:54:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 184 states and 277 transitions. [2023-11-21 18:54:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 277 transitions. [2023-11-21 18:54:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:54:35,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-21 18:54:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 186 states and 278 transitions. [2023-11-21 18:54:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 278 transitions. [2023-11-21 18:54:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:54:36,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:36,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:54:36,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 189 states and 281 transitions. [2023-11-21 18:54:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 281 transitions. [2023-11-21 18:54:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:54:36,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:36,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:54:36,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 192 states and 288 transitions. [2023-11-21 18:54:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 288 transitions. [2023-11-21 18:54:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:54:37,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:37,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:37,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:37,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-21 18:54:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 195 states and 291 transitions. [2023-11-21 18:54:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-11-21 18:54:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:54:38,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-21 18:54:38,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 197 states and 292 transitions. [2023-11-21 18:54:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 292 transitions. [2023-11-21 18:54:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:54:38,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 295 transitions. [2023-11-21 18:54:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 295 transitions. [2023-11-21 18:54:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:54:39,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:39,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:54:39,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 203 states and 302 transitions. [2023-11-21 18:54:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 302 transitions. [2023-11-21 18:54:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:54:39,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-21 18:54:40,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 206 states and 305 transitions. [2023-11-21 18:54:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2023-11-21 18:54:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:54:40,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-21 18:54:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 208 states and 306 transitions. [2023-11-21 18:54:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 306 transitions. [2023-11-21 18:54:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:54:40,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 211 states and 309 transitions. [2023-11-21 18:54:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 309 transitions. [2023-11-21 18:54:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:54:41,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:41,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:54:41,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:42,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 214 states and 316 transitions. [2023-11-21 18:54:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 316 transitions. [2023-11-21 18:54:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:54:42,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:42,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:42,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-21 18:54:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 217 states and 319 transitions. [2023-11-21 18:54:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2023-11-21 18:54:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:54:43,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:43,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:43,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-21 18:54:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 219 states and 320 transitions. [2023-11-21 18:54:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 320 transitions. [2023-11-21 18:54:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:54:43,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:43,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:43,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:54:43,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 15 proven. 247 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 222 states and 323 transitions. [2023-11-21 18:54:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 323 transitions. [2023-11-21 18:54:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:54:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:44,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:54:44,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 225 states and 330 transitions. [2023-11-21 18:54:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 330 transitions. [2023-11-21 18:54:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:54:45,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:45,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-21 18:54:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 228 states and 333 transitions. [2023-11-21 18:54:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 333 transitions. [2023-11-21 18:54:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:54:45,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:45,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-21 18:54:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 230 states and 334 transitions. [2023-11-21 18:54:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 334 transitions. [2023-11-21 18:54:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:54:46,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:46,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:54:46,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 16 proven. 287 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 233 states and 337 transitions. [2023-11-21 18:54:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 337 transitions. [2023-11-21 18:54:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:54:47,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:47,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:54:47,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 236 states and 344 transitions. [2023-11-21 18:54:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 344 transitions. [2023-11-21 18:54:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:54:48,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:48,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:48,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-21 18:54:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 239 states and 347 transitions. [2023-11-21 18:54:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 347 transitions. [2023-11-21 18:54:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:54:48,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:48,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:48,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-21 18:54:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 241 states and 348 transitions. [2023-11-21 18:54:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 348 transitions. [2023-11-21 18:54:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:54:48,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:48,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:49,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:54:49,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 17 proven. 330 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 244 states and 351 transitions. [2023-11-21 18:54:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 351 transitions. [2023-11-21 18:54:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:54:49,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:49,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:50,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:54:50,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 247 states and 358 transitions. [2023-11-21 18:54:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 358 transitions. [2023-11-21 18:54:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:54:50,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:50,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:51,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:51,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-21 18:54:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 250 states and 361 transitions. [2023-11-21 18:54:51,497 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2023-11-21 18:54:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:54:51,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:51,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:51,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2023-11-21 18:54:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 252 states and 362 transitions. [2023-11-21 18:54:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 362 transitions. [2023-11-21 18:54:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:54:51,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:51,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:54:51,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 18 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 255 states and 365 transitions. [2023-11-21 18:54:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 365 transitions. [2023-11-21 18:54:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:54:52,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:52,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:54:52,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 258 states and 372 transitions. [2023-11-21 18:54:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 372 transitions. [2023-11-21 18:54:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:54:53,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:54,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:54,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2023-11-21 18:54:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 261 states and 375 transitions. [2023-11-21 18:54:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 375 transitions. [2023-11-21 18:54:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:54:54,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:54,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:54,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2023-11-21 18:54:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 263 states and 376 transitions. [2023-11-21 18:54:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 376 transitions. [2023-11-21 18:54:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:54:55,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:55,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:54:55,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 19 proven. 425 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 266 states and 379 transitions. [2023-11-21 18:54:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 379 transitions. [2023-11-21 18:54:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:54:56,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:56,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:54:56,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 269 states and 386 transitions. [2023-11-21 18:54:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 386 transitions. [2023-11-21 18:54:57,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:54:57,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:57,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:57,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:57,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2023-11-21 18:54:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 272 states and 389 transitions. [2023-11-21 18:54:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 389 transitions. [2023-11-21 18:54:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:54:57,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:57,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:57,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-11-21 18:54:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 390 transitions. [2023-11-21 18:54:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 390 transitions. [2023-11-21 18:54:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:54:58,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:58,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:58,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:54:58,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 20 proven. 477 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:54:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 277 states and 393 transitions. [2023-11-21 18:54:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 393 transitions. [2023-11-21 18:54:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:54:59,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:59,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:54:59,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:55:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 280 states and 400 transitions. [2023-11-21 18:55:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 400 transitions. [2023-11-21 18:55:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:55:00,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:00,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:00,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-11-21 18:55:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 283 states and 403 transitions. [2023-11-21 18:55:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 403 transitions. [2023-11-21 18:55:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:55:01,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:01,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:01,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:01,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2023-11-21 18:55:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 285 states and 404 transitions. [2023-11-21 18:55:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 404 transitions. [2023-11-21 18:55:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:55:01,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:01,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:55:01,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 21 proven. 532 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.