./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/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_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/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_9a781ac8-52c3-4a9c-8173-bf18911ce573/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 7202e877c1332442c2c226005d8bd7e5f4094e339ca214931497ee0f3766da6a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:37,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:37,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:37,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:37,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:37,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:37,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:37,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:37,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:37,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:37,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:37,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:37,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:37,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:37,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:37,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:37,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:37,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:37,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:37,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:37,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:37,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:37,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:37,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:37,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:37,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:37,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:37,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:37,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:37,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:37,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:37,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:37,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:37,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:37,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:37,165 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_9a781ac8-52c3-4a9c-8173-bf18911ce573/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7202e877c1332442c2c226005d8bd7e5f4094e339ca214931497ee0f3766da6a [2023-11-21 18:50:37,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:37,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:37,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:37,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:37,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:37,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c [2023-11-21 18:50:40,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:40,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:40,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/sv-benchmarks/c/array-multidimensional/add-2-n-u.c [2023-11-21 18:50:40,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/data/81be0f781/6b6e37f33e5f44ac88cae8c36c2f7dd6/FLAG1822861d6 [2023-11-21 18:50:40,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/data/81be0f781/6b6e37f33e5f44ac88cae8c36c2f7dd6 [2023-11-21 18:50:40,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:40,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:40,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:40,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:40,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:40,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:40" (1/1) ... [2023-11-21 18:50:40,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e433b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:40, skipping insertion in model container [2023-11-21 18:50:40,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:40" (1/1) ... [2023-11-21 18:50:40,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:41,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:41,099 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:41,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:41,136 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:41,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41 WrapperNode [2023-11-21 18:50:41,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:41,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:41,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:41,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:41,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,189 INFO L138 Inliner]: procedures = 14, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-11-21 18:50:41,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:41,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:41,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:41,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:41,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:41,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:41,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:41,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:41,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:41,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:41,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a781ac8-52c3-4a9c-8173-bf18911ce573/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:41,381 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:41,383 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:41,619 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:41,696 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:41,696 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 18:50:41,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:41 BoogieIcfgContainer [2023-11-21 18:50:41,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:41,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:41,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:41,717 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:41,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:41" (1/1) ... [2023-11-21 18:50:41,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-21 18:50:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:50:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:50:41,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:41,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,090 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 18:50:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-21 18:50:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-21 18:50:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:50:42,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,282 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 18:50:42,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2023-11-21 18:50:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-21 18:50:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:42,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,457 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 18:50:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-21 18:50:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-21 18:50:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:42,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,670 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 18:50:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-21 18:50:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:50:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:42,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,908 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 18:50:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2023-11-21 18:50:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2023-11-21 18:50:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:42,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,980 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 18:50:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2023-11-21 18:50:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-11-21 18:50:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:43,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,072 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 18:50:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2023-11-21 18:50:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2023-11-21 18:50:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:43,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,146 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 18:50:43,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2023-11-21 18:50:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2023-11-21 18:50:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:43,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,282 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 18:50:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2023-11-21 18:50:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2023-11-21 18:50:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:43,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,409 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 18:50:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2023-11-21 18:50:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2023-11-21 18:50:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:43,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,580 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 18:50:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 111 transitions. [2023-11-21 18:50:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2023-11-21 18:50:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:43,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,644 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 18:50:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2023-11-21 18:50:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2023-11-21 18:50:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:43,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,769 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 18:50:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 119 transitions. [2023-11-21 18:50:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2023-11-21 18:50:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:43,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,904 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 18:50:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2023-11-21 18:50:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2023-11-21 18:50:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:44,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:44,104 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 18:50:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 134 transitions. [2023-11-21 18:50:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2023-11-21 18:50:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:44,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:44,448 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 18:50:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 135 transitions. [2023-11-21 18:50:44,474 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 135 transitions. [2023-11-21 18:50:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:44,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:44,557 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 18:50:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 78 states and 143 transitions. [2023-11-21 18:50:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2023-11-21 18:50:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:44,906 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 18:50:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 79 states and 145 transitions. [2023-11-21 18:50:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 145 transitions. [2023-11-21 18:50:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:50:45,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,163 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 18:50:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 81 states and 146 transitions. [2023-11-21 18:50:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 146 transitions. [2023-11-21 18:50:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:50:45,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,417 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 18:50:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2023-11-21 18:50:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2023-11-21 18:50:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:50:45,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,692 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 18:50:45,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 86 states and 150 transitions. [2023-11-21 18:50:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2023-11-21 18:50:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:50:45,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,893 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 18:50:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 89 states and 158 transitions. [2023-11-21 18:50:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 158 transitions. [2023-11-21 18:50:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:46,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:46,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:46,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,253 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 18:50:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 91 states and 159 transitions. [2023-11-21 18:50:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 159 transitions. [2023-11-21 18:50:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:46,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:46,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:46,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,529 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 18:50:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 162 transitions. [2023-11-21 18:50:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 162 transitions. [2023-11-21 18:50:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:46,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:46,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:46,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,838 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 18:50:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2023-11-21 18:50:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2023-11-21 18:50:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:46,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:46,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:46,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:47,056 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 18:50:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 171 transitions. [2023-11-21 18:50:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2023-11-21 18:50:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:47,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:47,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:47,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:47,469 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 18:50:47,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 101 states and 172 transitions. [2023-11-21 18:50:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2023-11-21 18:50:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:47,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:47,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:50:47,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:47,791 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 18:50:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 104 states and 175 transitions. [2023-11-21 18:50:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2023-11-21 18:50:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:48,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,158 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 18:50:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2023-11-21 18:50:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2023-11-21 18:50:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:48,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,387 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 18:50:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2023-11-21 18:50:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2023-11-21 18:50:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:48,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,795 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 18:50:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 185 transitions. [2023-11-21 18:50:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions. [2023-11-21 18:50:48,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:48,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:49,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:49,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:49,166 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 18:50:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 114 states and 188 transitions. [2023-11-21 18:50:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2023-11-21 18:50:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:49,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:49,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:49,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:49,539 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 18:50:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2023-11-21 18:50:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2023-11-21 18:50:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:49,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:49,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:49,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:49,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:49,781 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 18:50:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 119 states and 197 transitions. [2023-11-21 18:50:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 197 transitions. [2023-11-21 18:50:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:50,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:50,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:50,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:50,241 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 18:50:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2023-11-21 18:50:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2023-11-21 18:50:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:50,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:50,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:50,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:50,650 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 18:50:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2023-11-21 18:50:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2023-11-21 18:50:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:50,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:51,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:51,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:51,057 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 18:50:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 126 states and 202 transitions. [2023-11-21 18:50:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2023-11-21 18:50:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:51,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:51,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:51,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:51,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:51,313 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 18:50:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2023-11-21 18:50:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2023-11-21 18:50:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:51,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:51,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:51,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:51,786 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 18:50:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 131 states and 211 transitions. [2023-11-21 18:50:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2023-11-21 18:50:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:51,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:52,176 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 18:50:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 134 states and 214 transitions. [2023-11-21 18:50:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2023-11-21 18:50:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:52,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:52,617 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 18:50:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2023-11-21 18:50:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2023-11-21 18:50:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:52,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:52,902 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 18:50:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2023-11-21 18:50:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2023-11-21 18:50:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:53,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:53,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:53,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:53,421 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 18:50:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 141 states and 224 transitions. [2023-11-21 18:50:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2023-11-21 18:50:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:53,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:53,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:53,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:53,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:53,852 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 18:50:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 144 states and 227 transitions. [2023-11-21 18:50:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 227 transitions. [2023-11-21 18:50:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:54,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:54,307 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 18:50:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 146 states and 228 transitions. [2023-11-21 18:50:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 228 transitions. [2023-11-21 18:50:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:54,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:54,620 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 18:50:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 149 states and 236 transitions. [2023-11-21 18:50:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 236 transitions. [2023-11-21 18:50:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:55,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,126 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 18:50:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 151 states and 237 transitions. [2023-11-21 18:50:55,344 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 237 transitions. [2023-11-21 18:50:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:55,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,584 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 18:50:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2023-11-21 18:50:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2023-11-21 18:50:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:55,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:56,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,113 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 18:50:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-11-21 18:50:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-11-21 18:50:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:56,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:56,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:56,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,460 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 18:50:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 159 states and 249 transitions. [2023-11-21 18:50:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 249 transitions. [2023-11-21 18:50:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:56,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:56,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:56,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,999 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 18:50:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 161 states and 250 transitions. [2023-11-21 18:50:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2023-11-21 18:50:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:57,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:57,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:57,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:57,489 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 18:50:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 164 states and 253 transitions. [2023-11-21 18:50:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 253 transitions. [2023-11-21 18:50:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:57,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:58,066 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 18:50:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 166 states and 254 transitions. [2023-11-21 18:50:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 254 transitions. [2023-11-21 18:50:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:58,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:58,376 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 18:50:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 169 states and 262 transitions. [2023-11-21 18:50:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 262 transitions. [2023-11-21 18:50:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:58,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:58,972 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 18:50:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2023-11-21 18:50:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2023-11-21 18:50:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:50:59,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:59,513 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 18:50:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 174 states and 266 transitions. [2023-11-21 18:50:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2023-11-21 18:50:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:50:59,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,029 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 18:51:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 176 states and 267 transitions. [2023-11-21 18:51:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2023-11-21 18:51:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:00,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,377 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 18:51:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 179 states and 275 transitions. [2023-11-21 18:51:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2023-11-21 18:51:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:00,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,987 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 18:51:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 181 states and 276 transitions. [2023-11-21 18:51:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2023-11-21 18:51:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:01,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:01,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:51:01,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:01,559 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 18:51:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 184 states and 279 transitions. [2023-11-21 18:51:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 279 transitions. [2023-11-21 18:51:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:01,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,114 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 18:51:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 186 states and 280 transitions. [2023-11-21 18:51:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 280 transitions. [2023-11-21 18:51:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:02,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,531 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 18:51:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 189 states and 288 transitions. [2023-11-21 18:51:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 288 transitions. [2023-11-21 18:51:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:51:03,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,166 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 18:51:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 191 states and 289 transitions. [2023-11-21 18:51:03,460 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 289 transitions. [2023-11-21 18:51:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:51:03,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,789 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 18:51:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 194 states and 292 transitions. [2023-11-21 18:51:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 292 transitions. [2023-11-21 18:51:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:51:04,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,514 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 18:51:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2023-11-21 18:51:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2023-11-21 18:51:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:51:04,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,903 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 18:51:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 199 states and 301 transitions. [2023-11-21 18:51:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 301 transitions. [2023-11-21 18:51:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:05,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,558 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 18:51:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 201 states and 302 transitions. [2023-11-21 18:51:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 302 transitions. [2023-11-21 18:51:05,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:05,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,218 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 18:51:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 204 states and 305 transitions. [2023-11-21 18:51:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 305 transitions. [2023-11-21 18:51:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:06,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:06,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,847 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 18:51:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 206 states and 306 transitions. [2023-11-21 18:51:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 306 transitions. [2023-11-21 18:51:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:07,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,265 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 18:51:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 209 states and 314 transitions. [2023-11-21 18:51:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 314 transitions. [2023-11-21 18:51:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:07,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,001 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 18:51:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 211 states and 315 transitions. [2023-11-21 18:51:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2023-11-21 18:51:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:08,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:51:08,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 16 proven. 287 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:09,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 214 states and 318 transitions. [2023-11-21 18:51:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 318 transitions. [2023-11-21 18:51:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:09,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,381 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 18:51:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 216 states and 319 transitions. [2023-11-21 18:51:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 319 transitions. [2023-11-21 18:51:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:09,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 219 states and 327 transitions. [2023-11-21 18:51:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 327 transitions. [2023-11-21 18:51:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:51:10,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-21 18:51:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 221 states and 328 transitions. [2023-11-21 18:51:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 328 transitions. [2023-11-21 18:51:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:51:10,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 17 proven. 330 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 224 states and 331 transitions. [2023-11-21 18:51:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2023-11-21 18:51:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:51:11,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:11,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:11,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-21 18:51:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 226 states and 332 transitions. [2023-11-21 18:51:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2023-11-21 18:51:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:51:12,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 229 states and 340 transitions. [2023-11-21 18:51:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 340 transitions. [2023-11-21 18:51:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:51:13,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-21 18:51:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 231 states and 341 transitions. [2023-11-21 18:51:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 341 transitions. [2023-11-21 18:51:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:13,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 18 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 234 states and 344 transitions. [2023-11-21 18:51:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 344 transitions. [2023-11-21 18:51:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:14,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-21 18:51:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 236 states and 345 transitions. [2023-11-21 18:51:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2023-11-21 18:51:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:15,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 239 states and 353 transitions. [2023-11-21 18:51:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 353 transitions. [2023-11-21 18:51:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:51:16,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:16,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:16,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-21 18:51:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 241 states and 354 transitions. [2023-11-21 18:51:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 354 transitions. [2023-11-21 18:51:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:16,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:16,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:51:16,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 19 proven. 425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 244 states and 357 transitions. [2023-11-21 18:51:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 357 transitions. [2023-11-21 18:51:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:17,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:17,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-21 18:51:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 246 states and 358 transitions. [2023-11-21 18:51:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 358 transitions. [2023-11-21 18:51:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:17,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:51:18,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 249 states and 366 transitions. [2023-11-21 18:51:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2023-11-21 18:51:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:51:18,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-21 18:51:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 251 states and 367 transitions. [2023-11-21 18:51:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 367 transitions. [2023-11-21 18:51:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:19,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 20 proven. 477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 254 states and 370 transitions. [2023-11-21 18:51:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 370 transitions. [2023-11-21 18:51:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:20,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:20,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-21 18:51:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 256 states and 371 transitions. [2023-11-21 18:51:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 371 transitions. [2023-11-21 18:51:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:20,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 259 states and 379 transitions. [2023-11-21 18:51:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 379 transitions. [2023-11-21 18:51:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:51:22,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-21 18:51:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 261 states and 380 transitions. [2023-11-21 18:51:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 380 transitions. [2023-11-21 18:51:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:22,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 21 proven. 532 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 264 states and 383 transitions. [2023-11-21 18:51:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 383 transitions. [2023-11-21 18:51:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:23,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:23,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-21 18:51:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 266 states and 384 transitions. [2023-11-21 18:51:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 384 transitions. [2023-11-21 18:51:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:24,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:51:24,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 269 states and 392 transitions. [2023-11-21 18:51:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 392 transitions. [2023-11-21 18:51:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:51:25,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:25,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-21 18:51:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 271 states and 393 transitions. [2023-11-21 18:51:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 393 transitions. [2023-11-21 18:51:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:51:25,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:51:25,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 22 proven. 590 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 274 states and 396 transitions. [2023-11-21 18:51:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 396 transitions. [2023-11-21 18:51:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:51:26,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:27,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-21 18:51:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 276 states and 397 transitions. [2023-11-21 18:51:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 397 transitions. [2023-11-21 18:51:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:51:27,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:51:27,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 279 states and 405 transitions. [2023-11-21 18:51:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 405 transitions. [2023-11-21 18:51:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:51:28,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:28,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:28,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:28,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-11-21 18:51:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 281 states and 406 transitions. [2023-11-21 18:51:29,332 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 406 transitions. [2023-11-21 18:51:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:51:29,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:29,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:51:29,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 23 proven. 651 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 284 states and 409 transitions. [2023-11-21 18:51:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 409 transitions. [2023-11-21 18:51:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:51:30,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:30,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:30,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-11-21 18:51:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 286 states and 410 transitions. [2023-11-21 18:51:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 410 transitions. [2023-11-21 18:51:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:51:31,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:51:31,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 289 states and 418 transitions. [2023-11-21 18:51:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 418 transitions. [2023-11-21 18:51:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:51:32,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked.