./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/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_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/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_da548829-88d7-4664-bfe4-416e51cb3aeb/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 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:00,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:00,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:11:00,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:00,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:00,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:00,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:00,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:00,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:00,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:00,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:00,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:00,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:00,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:00,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:00,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:00,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:00,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:00,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:00,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:00,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:00,356 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:00,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:00,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:00,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:00,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:00,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:00,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:00,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:00,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:00,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:00,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:00,362 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:00,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:00,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:00,363 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_da548829-88d7-4664-bfe4-416e51cb3aeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 [2023-11-24 22:11:00,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:00,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:00,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:00,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:00,706 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:00,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-24 22:11:03,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:04,037 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:04,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-24 22:11:04,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/data/7a813f5d3/dafe417c7c974c5d99add950258d548c/FLAGfc58d426c [2023-11-24 22:11:04,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/data/7a813f5d3/dafe417c7c974c5d99add950258d548c [2023-11-24 22:11:04,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:04,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:04,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:04,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:04,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:04,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615b71d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04, skipping insertion in model container [2023-11-24 22:11:04,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:04,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:04,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:04,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:04,377 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:04,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04 WrapperNode [2023-11-24 22:11:04,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:04,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:04,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:04,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:04,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,441 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 189 [2023-11-24 22:11:04,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:04,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:04,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:04,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:04,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:04,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:04,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:04,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:04,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:04,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:04,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:04,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da548829-88d7-4664-bfe4-416e51cb3aeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:11:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:11:04,684 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:04,687 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:05,730 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:05,778 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:05,778 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:11:05,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:05 BoogieIcfgContainer [2023-11-24 22:11:05,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:05,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:05,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:05,796 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:05,797 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:05" (1/1) ... [2023-11-24 22:11:05,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-24 22:11:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-24 22:11:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:11:05,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,117 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 22:11:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-24 22:11:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-24 22:11:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:11:06,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,266 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 22:11:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-24 22:11:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-24 22:11:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:11:06,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,367 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 22:11:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-24 22:11:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-24 22:11:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:11:06,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,462 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 22:11:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-24 22:11:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-24 22:11:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:11:06,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,557 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 22:11:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 22:11:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 22:11:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:11:06,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,672 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 22:11:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-24 22:11:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-24 22:11:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:11:06,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,716 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 22:11:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 22:11:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 22:11:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:11:06,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:06,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:06,797 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 22:11:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-24 22:11:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-24 22:11:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:11:06,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:06,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:06,864 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 22:11:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-24 22:11:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-24 22:11:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:11:06,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:06,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:06,983 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 22:11:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 22:11:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 22:11:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:11:07,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,069 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 22:11:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-24 22:11:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-24 22:11:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:11:07,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,194 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 22:11:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-24 22:11:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-24 22:11:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:11:07,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,401 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 22:11:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-24 22:11:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-24 22:11:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:07,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,469 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 22:11:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-24 22:11:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-24 22:11:07,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:11:07,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,551 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 22:11:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-24 22:11:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-24 22:11:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:07,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,660 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 22:11:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 306 states and 321 transitions. [2023-11-24 22:11:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 321 transitions. [2023-11-24 22:11:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:11:07,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,871 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 22:11:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 316 states and 332 transitions. [2023-11-24 22:11:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2023-11-24 22:11:08,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:11:08,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:08,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:08,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:08,152 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 22:11:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 317 states and 333 transitions. [2023-11-24 22:11:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2023-11-24 22:11:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:11:08,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:08,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:11:08,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:08,373 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 22:11:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 340 states and 361 transitions. [2023-11-24 22:11:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 361 transitions. [2023-11-24 22:11:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:11:08,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:08,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:08,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:11:08,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:08,863 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 22:11:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 364 states and 391 transitions. [2023-11-24 22:11:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 391 transitions. [2023-11-24 22:11:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:11:09,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:09,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:09,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:09,354 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 22:11:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 389 states and 423 transitions. [2023-11-24 22:11:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 423 transitions. [2023-11-24 22:11:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:11:09,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:09,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:09,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:09,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:10,010 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 22:11:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 415 states and 456 transitions. [2023-11-24 22:11:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 456 transitions. [2023-11-24 22:11:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:11:10,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:10,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:10,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:10,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:10,830 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 22:11:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 418 states and 461 transitions. [2023-11-24 22:11:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 461 transitions. [2023-11-24 22:11:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:11:11,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:11,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:11,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:11,565 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 22:11:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 421 states and 465 transitions. [2023-11-24 22:11:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 465 transitions. [2023-11-24 22:11:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:11:12,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:12,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:12,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:12,227 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 22:11:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 426 states and 473 transitions. [2023-11-24 22:11:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 473 transitions. [2023-11-24 22:11:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:11:18,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:18,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:18,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:18,884 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 22:11:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 432 states and 482 transitions. [2023-11-24 22:11:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2023-11-24 22:11:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:11:26,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:11:26,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:26,370 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 22:11:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 440 states and 491 transitions. [2023-11-24 22:11:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 491 transitions. [2023-11-24 22:11:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:11:27,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:11:27,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:27,832 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 22:11:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 444 states and 496 transitions. [2023-11-24 22:11:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 496 transitions. [2023-11-24 22:11:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:11:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:28,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:28,273 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 22:11:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 446 states and 500 transitions. [2023-11-24 22:11:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 500 transitions. [2023-11-24 22:11:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:11:28,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:28,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:28,827 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 22:11:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 456 states and 512 transitions. [2023-11-24 22:11:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 512 transitions. [2023-11-24 22:11:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:11:29,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:11:29,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:32,462 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 22:11:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 460 states and 518 transitions. [2023-11-24 22:11:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 518 transitions. [2023-11-24 22:11:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:11:44,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:44,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:11:44,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:44,992 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 22:11:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 464 states and 523 transitions. [2023-11-24 22:11:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 523 transitions. [2023-11-24 22:11:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:11:46,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:46,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:46,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:46,986 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 22:11:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 466 states and 527 transitions. [2023-11-24 22:11:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 527 transitions. [2023-11-24 22:11:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:11:47,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:47,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:47,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:47,687 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 22:11:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 467 states and 529 transitions. [2023-11-24 22:11:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 529 transitions. [2023-11-24 22:11:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:11:48,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:48,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:48,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:48,463 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 22:11:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 466 states and 528 transitions. [2023-11-24 22:11:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 528 transitions. [2023-11-24 22:11:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:11:48,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:48,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:48,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:51,441 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 22:11:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 471 states and 537 transitions. [2023-11-24 22:11:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 537 transitions. [2023-11-24 22:11:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:11:53,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:53,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:53,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:53,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:53,922 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 22:11:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 477 states and 547 transitions. [2023-11-24 22:11:55,136 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 547 transitions. [2023-11-24 22:11:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:11:55,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:55,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:55,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:55,345 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 22:11:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 485 states and 560 transitions. [2023-11-24 22:11:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 560 transitions. [2023-11-24 22:11:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:11:56,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:57,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:57,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:57,069 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 22:11:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 494 states and 575 transitions. [2023-11-24 22:11:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 575 transitions. [2023-11-24 22:11:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:11:58,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:58,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:58,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:58,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:59,139 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 22:12:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:00,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 503 states and 590 transitions. [2023-11-24 22:12:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 590 transitions. [2023-11-24 22:12:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:12:00,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:00,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:00,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:12:00,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:00,593 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 22:12:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 508 states and 598 transitions. [2023-11-24 22:12:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 598 transitions. [2023-11-24 22:12:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:12:01,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:01,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:01,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:12:01,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.