./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:27,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:27,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:27,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:27,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:27,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:27,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:27,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:27,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:27,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:27,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:27,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:27,165 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:27,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:27,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:27,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:27,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:27,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:27,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:27,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:27,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:27,175 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:27,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:27,176 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:27,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:27,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:27,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:27,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:27,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:27,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:27,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:27,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:27,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:27,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:27,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:27,184 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_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 [2023-11-21 18:48:27,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:27,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:27,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:27,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:27,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:27,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-21 18:48:30,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:30,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:30,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-21 18:48:30,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/data/60c7e5b37/4690f5a99b834bd2bd5af35469cfbaa6/FLAG084927971 [2023-11-21 18:48:30,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/data/60c7e5b37/4690f5a99b834bd2bd5af35469cfbaa6 [2023-11-21 18:48:30,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:30,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:30,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:30,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:30,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:30,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:30" (1/1) ... [2023-11-21 18:48:30,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4826879e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:30, skipping insertion in model container [2023-11-21 18:48:30,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:30" (1/1) ... [2023-11-21 18:48:31,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:31,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:31,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:31,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:31,289 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:31,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31 WrapperNode [2023-11-21 18:48:31,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:31,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:31,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:31,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:31,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,359 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-21 18:48:31,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:31,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:31,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:31,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:31,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:31,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:31,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:31,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:31,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:31" (1/1) ... [2023-11-21 18:48:31,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:31,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:31,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:31,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ff0ea2-64ac-483d-b8f1-161e50425467/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:31,630 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:31,633 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:31,984 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:32,029 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:32,030 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:48:32,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:32 BoogieIcfgContainer [2023-11-21 18:48:32,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:32,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:32,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:32,046 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:32,047 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-21 18:48:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-21 18:48:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:48:32,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:32,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:48:32,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:48:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-21 18:48:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-21 18:48:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:48:32,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:32,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:32,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:48:32,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:48:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-21 18:48:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-21 18:48:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:48:33,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-21 18:48:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-21 18:48:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:33,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:48:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-21 18:48:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-21 18:48:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:34,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:34,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:48:34,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:48:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 90 transitions. [2023-11-21 18:48:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2023-11-21 18:48:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:35,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:35,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:35,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:48:35,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:48:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 97 transitions. [2023-11-21 18:48:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-21 18:48:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:36,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:36,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:36,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 107 transitions. [2023-11-21 18:48:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2023-11-21 18:48:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:37,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:37,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:37,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 102 states and 119 transitions. [2023-11-21 18:48:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2023-11-21 18:48:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:48:38,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:38,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:38,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:38,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 110 states and 133 transitions. [2023-11-21 18:48:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-21 18:48:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:48:41,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:41,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:41,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:41,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 119 states and 148 transitions. [2023-11-21 18:49:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2023-11-21 18:49:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:49:03,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 129 states and 162 transitions. [2023-11-21 18:49:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 162 transitions. [2023-11-21 18:49:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:08,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:08,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:49:08,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:49:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 137 states and 171 transitions. [2023-11-21 18:49:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 171 transitions. [2023-11-21 18:49:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:49:11,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 140 states and 176 transitions. [2023-11-21 18:49:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 176 transitions. [2023-11-21 18:49:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:49:11,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 154 states and 196 transitions. [2023-11-21 18:49:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 196 transitions. [2023-11-21 18:49:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:13,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 158 states and 203 transitions. [2023-11-21 18:49:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2023-11-21 18:49:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:14,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:14,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:14,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 173 states and 225 transitions. [2023-11-21 18:49:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2023-11-21 18:49:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:49:17,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:17,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:17,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 179 states and 236 transitions. [2023-11-21 18:49:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2023-11-21 18:49:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:49:19,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:19,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 182 states and 240 transitions. [2023-11-21 18:49:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2023-11-21 18:49:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:20,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:20,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:20,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:20,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 188 states and 250 transitions. [2023-11-21 18:49:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 250 transitions. [2023-11-21 18:49:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:22,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:22,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:22,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:22,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 255 transitions. [2023-11-21 18:49:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2023-11-21 18:49:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:23,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:23,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:23,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 199 states and 266 transitions. [2023-11-21 18:49:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 266 transitions. [2023-11-21 18:49:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:28,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:28,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:28,496 INFO L285 TraceCheckSpWp]: Computing forward predicates...