./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi --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 d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:00,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:01,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:11:01,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:01,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:01,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:01,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:01,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:01,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:01,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:01,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:01,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:01,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:01,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:01,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:01,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:01,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:01,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:01,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:01,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:11:01,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:01,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:01,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:01,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:01,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:01,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:01,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:01,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:01,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:01,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:01,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:01,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:01,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:01,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:01,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:01,155 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_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2023-11-24 23:11:01,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:01,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:01,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:01,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:01,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:01,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2023-11-24 23:11:04,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:04,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:04,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2023-11-24 23:11:04,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/data/b544d81dd/3bc694bc6175435293084f2724e3352b/FLAGcd126f423 [2023-11-24 23:11:04,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/data/b544d81dd/3bc694bc6175435293084f2724e3352b [2023-11-24 23:11:04,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:04,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:04,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:05,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:05,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:05,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:04" (1/1) ... [2023-11-24 23:11:05,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46abfdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05, skipping insertion in model container [2023-11-24 23:11:05,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:04" (1/1) ... [2023-11-24 23:11:05,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:05,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:05,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:05,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:05,314 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:05,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05 WrapperNode [2023-11-24 23:11:05,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:05,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:05,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:05,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:05,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,406 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2023-11-24 23:11:05,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:05,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:05,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:05,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:05,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:05,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:05,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:05,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:05,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:05" (1/1) ... [2023-11-24 23:11:05,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:05,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:05,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:05,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8aa77-5209-4119-8b08-612c32ba0a10/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:11:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:11:05,620 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:05,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:07,086 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:07,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:07,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:07,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:07 BoogieIcfgContainer [2023-11-24 23:11:07,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:07,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:07,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:07,159 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:07,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:07" (1/1) ... [2023-11-24 23:11:07,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-24 23:11:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-24 23:11:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:11:07,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-24 23:11:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-24 23:11:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:07,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-24 23:11:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-24 23:11:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:07,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-24 23:11:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-24 23:11:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:07,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-24 23:11:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-24 23:11:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:07,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 23:11:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 23:11:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:11:08,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-24 23:11:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-24 23:11:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:11:08,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 23:11:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 23:11:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:08,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-24 23:11:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-24 23:11:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:11:08,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-24 23:11:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-24 23:11:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:08,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 23:11:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 23:11:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:08,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-24 23:11:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-24 23:11:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:08,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-24 23:11:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-24 23:11:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:08,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-24 23:11:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-24 23:11:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:08,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-24 23:11:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-24 23:11:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:08,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-24 23:11:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-24 23:11:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:08,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:08,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 313 transitions. [2023-11-24 23:11:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 313 transitions. [2023-11-24 23:11:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:09,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:09,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 310 states and 324 transitions. [2023-11-24 23:11:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 324 transitions. [2023-11-24 23:11:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:11:09,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:09,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 311 states and 326 transitions. [2023-11-24 23:11:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 326 transitions. [2023-11-24 23:11:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:09,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:09,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 334 states and 355 transitions. [2023-11-24 23:11:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 355 transitions. [2023-11-24 23:11:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:10,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:10,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 358 states and 386 transitions. [2023-11-24 23:11:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 386 transitions. [2023-11-24 23:11:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:11:10,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:10,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 383 states and 419 transitions. [2023-11-24 23:11:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 419 transitions. [2023-11-24 23:11:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:11:11,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:11,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 409 states and 453 transitions. [2023-11-24 23:11:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 453 transitions. [2023-11-24 23:11:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:11:12,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:12,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 412 states and 458 transitions. [2023-11-24 23:11:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 458 transitions. [2023-11-24 23:11:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:11:12,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:12,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:13,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 415 states and 462 transitions. [2023-11-24 23:11:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 462 transitions. [2023-11-24 23:11:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:11:13,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:13,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 420 states and 470 transitions. [2023-11-24 23:11:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 470 transitions. [2023-11-24 23:11:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:11:16,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 426 states and 479 transitions. [2023-11-24 23:11:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 479 transitions. [2023-11-24 23:11:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:11:17,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 434 states and 488 transitions. [2023-11-24 23:11:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 488 transitions. [2023-11-24 23:11:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:19,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:19,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 438 states and 493 transitions. [2023-11-24 23:11:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 493 transitions. [2023-11-24 23:11:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:11:20,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 440 states and 497 transitions. [2023-11-24 23:11:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 497 transitions. [2023-11-24 23:11:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:11:21,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:21,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:21,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 450 states and 509 transitions. [2023-11-24 23:11:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 509 transitions. [2023-11-24 23:11:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:11:22,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:22,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:22,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 454 states and 515 transitions. [2023-11-24 23:11:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 515 transitions. [2023-11-24 23:11:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:11:24,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:24,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:24,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 458 states and 520 transitions. [2023-11-24 23:11:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 520 transitions. [2023-11-24 23:11:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:11:25,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:25,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:25,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:25,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 460 states and 524 transitions. [2023-11-24 23:11:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 524 transitions. [2023-11-24 23:11:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:11:26,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:26,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:26,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 461 states and 526 transitions. [2023-11-24 23:11:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 526 transitions. [2023-11-24 23:11:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:11:29,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:29,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:29,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:29,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 460 states and 525 transitions. [2023-11-24 23:11:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 525 transitions. [2023-11-24 23:11:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:11:29,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:29,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:29,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 465 states and 534 transitions. [2023-11-24 23:11:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 534 transitions. [2023-11-24 23:11:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:11:35,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:35,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:35,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:35,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 471 states and 544 transitions. [2023-11-24 23:11:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 544 transitions. [2023-11-24 23:11:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:11:37,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:37,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:37,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 479 states and 557 transitions. [2023-11-24 23:11:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 557 transitions. [2023-11-24 23:11:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:11:40,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:40,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 488 states and 572 transitions. [2023-11-24 23:11:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-24 23:11:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:11:44,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:44,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:44,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 497 states and 585 transitions. [2023-11-24 23:11:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2023-11-24 23:11:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:11:46,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:46,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:46,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 502 states and 593 transitions. [2023-11-24 23:11:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 593 transitions. [2023-11-24 23:11:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:11:47,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 508 states and 601 transitions. [2023-11-24 23:11:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 601 transitions. [2023-11-24 23:11:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:11:50,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:50,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:50,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:50,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 512 states and 607 transitions. [2023-11-24 23:11:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 607 transitions. [2023-11-24 23:11:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:11:51,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 516 states and 613 transitions. [2023-11-24 23:11:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 613 transitions. [2023-11-24 23:11:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:11:52,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:52,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:52,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 517 states and 615 transitions. [2023-11-24 23:11:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 615 transitions. [2023-11-24 23:11:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:11:54,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:54,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:54,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 519 states and 618 transitions. [2023-11-24 23:11:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 618 transitions. [2023-11-24 23:11:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:11:55,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:55,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:55,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.