./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-3-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_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/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_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/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_73bda537-28ae-4718-a4de-7d694d482ca5/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 caaec4b6d97bde36a1fbc7dfb6c9c9f88e0ac7fb0d2e87f4054fca32d8e102e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:11,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:11,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:11,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:11,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:11,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:11,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:11,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:11,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:11,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:11,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:11,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:11,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:11,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:11,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:11,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:11,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:11,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:11,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:11,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:11,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:11,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:11,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:11,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:11,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:11,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:11,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:11,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:11,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:11,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:11,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:11,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:11,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:11,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:11,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:11,915 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_73bda537-28ae-4718-a4de-7d694d482ca5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caaec4b6d97bde36a1fbc7dfb6c9c9f88e0ac7fb0d2e87f4054fca32d8e102e9 [2023-11-21 18:25:12,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/copy-3-n-u.c [2023-11-21 18:25:15,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:15,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:15,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/sv-benchmarks/c/array-multidimensional/copy-3-n-u.c [2023-11-21 18:25:15,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/data/f7c4c6d4d/119758fd938a49eca7756ad63f45fcf7/FLAGdaa9aa4d2 [2023-11-21 18:25:15,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/data/f7c4c6d4d/119758fd938a49eca7756ad63f45fcf7 [2023-11-21 18:25:15,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:15,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:15,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:15,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:15,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6962057f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15, skipping insertion in model container [2023-11-21 18:25:15,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:15,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:15,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,980 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:15,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15 WrapperNode [2023-11-21 18:25:15,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:15,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:15,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,022 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2023-11-21 18:25:16,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:16,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:16,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:16,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:16,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:16,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:16,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:16,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:16,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:16,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:16,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:16,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73bda537-28ae-4718-a4de-7d694d482ca5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:25:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:25:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:16,221 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:16,224 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:16,621 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:16,732 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:16,733 INFO L308 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-21 18:25:16,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16 BoogieIcfgContainer [2023-11-21 18:25:16,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:16,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:16,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:16,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:16,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-21 18:25:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:25:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:16,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-21 18:25:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-21 18:25:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:17,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2023-11-21 18:25:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-21 18:25:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:17,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2023-11-21 18:25:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-11-21 18:25:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:17,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2023-11-21 18:25:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2023-11-21 18:25:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:17,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:25:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:25:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:17,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 104 transitions. [2023-11-21 18:25:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2023-11-21 18:25:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:18,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 113 transitions. [2023-11-21 18:25:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2023-11-21 18:25:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:18,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2023-11-21 18:25:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2023-11-21 18:25:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:18,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 124 transitions. [2023-11-21 18:25:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2023-11-21 18:25:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:18,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2023-11-21 18:25:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2023-11-21 18:25:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:18,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2023-11-21 18:25:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2023-11-21 18:25:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:18,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 83 states and 146 transitions. [2023-11-21 18:25:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 146 transitions. [2023-11-21 18:25:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:18,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 86 states and 155 transitions. [2023-11-21 18:25:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 155 transitions. [2023-11-21 18:25:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:19,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 90 states and 164 transitions. [2023-11-21 18:25:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 164 transitions. [2023-11-21 18:25:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:19,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2023-11-21 18:25:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2023-11-21 18:25:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 97 states and 185 transitions. [2023-11-21 18:25:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 185 transitions. [2023-11-21 18:25:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:19,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 100 states and 192 transitions. [2023-11-21 18:25:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2023-11-21 18:25:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:19,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 102 states and 194 transitions. [2023-11-21 18:25:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 194 transitions. [2023-11-21 18:25:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:20,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 195 transitions. [2023-11-21 18:25:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 195 transitions. [2023-11-21 18:25:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:20,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 105 states and 200 transitions. [2023-11-21 18:25:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 200 transitions. [2023-11-21 18:25:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:20,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 108 states and 207 transitions. [2023-11-21 18:25:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 207 transitions. [2023-11-21 18:25:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:20,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 221 transitions. [2023-11-21 18:25:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 221 transitions. [2023-11-21 18:25:20,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:20,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 115 states and 229 transitions. [2023-11-21 18:25:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 229 transitions. [2023-11-21 18:25:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:21,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:21,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 118 states and 237 transitions. [2023-11-21 18:25:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 237 transitions. [2023-11-21 18:25:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:22,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 120 states and 238 transitions. [2023-11-21 18:25:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions. [2023-11-21 18:25:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:22,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 123 states and 248 transitions. [2023-11-21 18:25:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 248 transitions. [2023-11-21 18:25:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:22,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,850 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 18:25:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 124 states and 250 transitions. [2023-11-21 18:25:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 250 transitions. [2023-11-21 18:25:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:23,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,203 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 18:25:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2023-11-21 18:25:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2023-11-21 18:25:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:25:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 129 states and 254 transitions. [2023-11-21 18:25:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 254 transitions. [2023-11-21 18:25:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:23,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,741 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 18:25:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2023-11-21 18:25:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2023-11-21 18:25:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:23,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2023-11-21 18:25:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2023-11-21 18:25:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:24,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:25:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 261 transitions. [2023-11-21 18:25:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2023-11-21 18:25:24,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:24,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 140 states and 271 transitions. [2023-11-21 18:25:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 271 transitions. [2023-11-21 18:25:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:25,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 143 states and 274 transitions. [2023-11-21 18:25:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2023-11-21 18:25:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:25,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 145 states and 275 transitions. [2023-11-21 18:25:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2023-11-21 18:25:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:25,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 148 states and 278 transitions. [2023-11-21 18:25:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2023-11-21 18:25:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:25,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:26,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:26,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 151 states and 281 transitions. [2023-11-21 18:25:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 281 transitions. [2023-11-21 18:25:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:26,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:26,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:26,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:26,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 282 transitions. [2023-11-21 18:25:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2023-11-21 18:25:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:26,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:26,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:26,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 156 states and 292 transitions. [2023-11-21 18:25:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 292 transitions. [2023-11-21 18:25:27,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:27,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:25:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 159 states and 295 transitions. [2023-11-21 18:25:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 295 transitions. [2023-11-21 18:25:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:27,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:25:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 161 states and 296 transitions. [2023-11-21 18:25:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2023-11-21 18:25:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:27,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:25:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 299 transitions. [2023-11-21 18:25:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 299 transitions. [2023-11-21 18:25:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:28,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:28,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:28,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:28,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 302 transitions. [2023-11-21 18:25:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 302 transitions. [2023-11-21 18:25:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:28,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:28,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:28,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:25:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 169 states and 303 transitions. [2023-11-21 18:25:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2023-11-21 18:25:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:29,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 172 states and 313 transitions. [2023-11-21 18:25:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 313 transitions. [2023-11-21 18:25:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:29,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:25:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 316 transitions. [2023-11-21 18:25:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2023-11-21 18:25:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:29,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:25:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 177 states and 317 transitions. [2023-11-21 18:25:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 317 transitions. [2023-11-21 18:25:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:30,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:30,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:25:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 180 states and 320 transitions. [2023-11-21 18:25:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 320 transitions. [2023-11-21 18:25:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:30,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:30,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 183 states and 323 transitions. [2023-11-21 18:25:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2023-11-21 18:25:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:31,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:31,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:31,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:31,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:25:31,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 185 states and 324 transitions. [2023-11-21 18:25:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 324 transitions. [2023-11-21 18:25:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:31,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:31,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:31,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 188 states and 334 transitions. [2023-11-21 18:25:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 334 transitions. [2023-11-21 18:25:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:32,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:25:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 191 states and 337 transitions. [2023-11-21 18:25:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 337 transitions. [2023-11-21 18:25:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:32,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:25:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 193 states and 338 transitions. [2023-11-21 18:25:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 338 transitions. [2023-11-21 18:25:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:32,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:25:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 196 states and 341 transitions. [2023-11-21 18:25:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 341 transitions. [2023-11-21 18:25:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:33,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 199 states and 344 transitions. [2023-11-21 18:25:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 344 transitions. [2023-11-21 18:25:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:33,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:25:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 201 states and 345 transitions. [2023-11-21 18:25:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 345 transitions. [2023-11-21 18:25:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:34,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:34,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:34,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 204 states and 355 transitions. [2023-11-21 18:25:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 355 transitions. [2023-11-21 18:25:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:34,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:34,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:34,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:25:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 358 transitions. [2023-11-21 18:25:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 358 transitions. [2023-11-21 18:25:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:35,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:25:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 209 states and 359 transitions. [2023-11-21 18:25:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 359 transitions. [2023-11-21 18:25:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:35,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:25:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 212 states and 362 transitions. [2023-11-21 18:25:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 362 transitions. [2023-11-21 18:25:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:35,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 215 states and 365 transitions. [2023-11-21 18:25:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 365 transitions. [2023-11-21 18:25:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:36,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:25:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 217 states and 366 transitions. [2023-11-21 18:25:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2023-11-21 18:25:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:36,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 220 states and 376 transitions. [2023-11-21 18:25:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 376 transitions. [2023-11-21 18:25:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:37,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:25:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 223 states and 379 transitions. [2023-11-21 18:25:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 379 transitions. [2023-11-21 18:25:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:37,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:25:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2023-11-21 18:25:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2023-11-21 18:25:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:38,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:25:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 228 states and 383 transitions. [2023-11-21 18:25:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2023-11-21 18:25:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:38,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 231 states and 386 transitions. [2023-11-21 18:25:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 386 transitions. [2023-11-21 18:25:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:39,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:39,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:39,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:39,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:25:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 233 states and 387 transitions. [2023-11-21 18:25:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 387 transitions. [2023-11-21 18:25:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:39,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:40,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:25:40,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 236 states and 397 transitions. [2023-11-21 18:25:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 397 transitions. [2023-11-21 18:25:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:40,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:40,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:40,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:25:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 239 states and 400 transitions. [2023-11-21 18:25:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 400 transitions. [2023-11-21 18:25:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:41,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:41,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:41,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:25:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 241 states and 401 transitions. [2023-11-21 18:25:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 401 transitions. [2023-11-21 18:25:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:41,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:41,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:41,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:25:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 244 states and 404 transitions. [2023-11-21 18:25:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 404 transitions. [2023-11-21 18:25:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:41,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:42,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:42,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 247 states and 407 transitions. [2023-11-21 18:25:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 407 transitions. [2023-11-21 18:25:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:42,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:42,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:42,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:25:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 249 states and 408 transitions. [2023-11-21 18:25:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 408 transitions. [2023-11-21 18:25:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:43,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 252 states and 418 transitions. [2023-11-21 18:25:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 418 transitions. [2023-11-21 18:25:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:25:43,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:25:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 255 states and 421 transitions. [2023-11-21 18:25:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 421 transitions. [2023-11-21 18:25:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:25:44,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:25:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 257 states and 422 transitions. [2023-11-21 18:25:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 422 transitions. [2023-11-21 18:25:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:44,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:25:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 260 states and 425 transitions. [2023-11-21 18:25:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2023-11-21 18:25:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:45,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 263 states and 428 transitions. [2023-11-21 18:25:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 428 transitions. [2023-11-21 18:25:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:46,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:25:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 265 states and 429 transitions. [2023-11-21 18:25:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 429 transitions. [2023-11-21 18:25:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:46,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 268 states and 439 transitions. [2023-11-21 18:25:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 439 transitions. [2023-11-21 18:25:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:25:47,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:47,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:47,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:25:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 271 states and 442 transitions. [2023-11-21 18:25:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 442 transitions. [2023-11-21 18:25:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:25:47,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:48,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:48,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:25:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 273 states and 443 transitions. [2023-11-21 18:25:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 443 transitions. [2023-11-21 18:25:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:48,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:48,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:48,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:48,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:25:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 276 states and 446 transitions. [2023-11-21 18:25:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 446 transitions. [2023-11-21 18:25:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:48,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:48,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:48,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 279 states and 449 transitions. [2023-11-21 18:25:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 449 transitions. [2023-11-21 18:25:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:49,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:49,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:49,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:25:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 281 states and 450 transitions. [2023-11-21 18:25:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 450 transitions. [2023-11-21 18:25:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:50,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:50,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 284 states and 460 transitions. [2023-11-21 18:25:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 460 transitions. [2023-11-21 18:25:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:25:51,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:25:51,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 287 states and 463 transitions. [2023-11-21 18:25:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 463 transitions. [2023-11-21 18:25:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:25:51,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:25:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 289 states and 464 transitions. [2023-11-21 18:25:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 464 transitions. [2023-11-21 18:25:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:52,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:52,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:52,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:52,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:25:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 292 states and 467 transitions. [2023-11-21 18:25:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 467 transitions. [2023-11-21 18:25:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:52,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:52,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:52,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:25:52,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 295 states and 470 transitions. [2023-11-21 18:25:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 470 transitions. [2023-11-21 18:25:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:53,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:53,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:53,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:25:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 297 states and 471 transitions. [2023-11-21 18:25:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 471 transitions. [2023-11-21 18:25:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:54,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 300 states and 481 transitions. [2023-11-21 18:25:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 481 transitions. [2023-11-21 18:25:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:25:55,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:55,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:25:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 303 states and 484 transitions. [2023-11-21 18:25:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 484 transitions. [2023-11-21 18:25:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:25:55,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:55,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:25:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 305 states and 485 transitions. [2023-11-21 18:25:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 485 transitions. [2023-11-21 18:25:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:56,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:25:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 308 states and 488 transitions. [2023-11-21 18:25:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 488 transitions. [2023-11-21 18:25:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:56,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:25:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 311 states and 491 transitions. [2023-11-21 18:25:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 491 transitions. [2023-11-21 18:25:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:57,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:25:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 313 states and 492 transitions. [2023-11-21 18:25:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 492 transitions. [2023-11-21 18:25:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:58,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 316 states and 502 transitions. [2023-11-21 18:25:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 502 transitions. [2023-11-21 18:25:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:25:59,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:25:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 319 states and 505 transitions. [2023-11-21 18:25:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 505 transitions. [2023-11-21 18:25:59,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:25:59,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:26:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 321 states and 506 transitions. [2023-11-21 18:26:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 506 transitions. [2023-11-21 18:26:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:26:00,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:00,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:00,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:26:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 324 states and 509 transitions. [2023-11-21 18:26:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 509 transitions. [2023-11-21 18:26:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:26:01,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:01,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:01,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:26:01,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 15 proven. 247 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:26:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 327 states and 512 transitions. [2023-11-21 18:26:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 512 transitions. [2023-11-21 18:26:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:26:02,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:02,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:02,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:26:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 329 states and 513 transitions. [2023-11-21 18:26:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 513 transitions. [2023-11-21 18:26:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:26:02,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:26:02,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:03,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 332 states and 523 transitions. [2023-11-21 18:26:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 523 transitions. [2023-11-21 18:26:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:26:03,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:03,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-21 18:26:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 335 states and 526 transitions. [2023-11-21 18:26:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 526 transitions. [2023-11-21 18:26:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:26:04,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:04,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:04,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-21 18:26:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 337 states and 527 transitions. [2023-11-21 18:26:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 527 transitions. [2023-11-21 18:26:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:26:05,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:05,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:05,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.