./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.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_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9 --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 b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:49,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:49,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:22:49,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:22:49,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:22:49,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:49,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:22:49,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:22:49,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:49,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:49,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:49,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:22:49,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:49,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:49,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:49,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:49,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:22:49,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:49,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:22:49,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:22:49,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:22:49,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:49,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:22:49,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:49,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:49,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:49,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:49,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:49,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:49,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:49,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:49,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:22:49,448 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:22:49,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:22:49,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:22:49,448 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_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 [2023-12-02 23:22:49,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:49,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:49,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:49,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:49,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:49,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-12-02 23:22:52,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:52,597 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:52,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-12-02 23:22:52,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/data/519afca05/624140e4aa214fcba6c2dcab7f68d531/FLAG2a3aa4bcb [2023-12-02 23:22:52,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/data/519afca05/624140e4aa214fcba6c2dcab7f68d531 [2023-12-02 23:22:52,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:52,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:52,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:52,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:52,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:52,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b724ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52, skipping insertion in model container [2023-12-02 23:22:52,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,654 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:52,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:52,802 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:52,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:52,832 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:52,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52 WrapperNode [2023-12-02 23:22:52,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:52,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:52,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:52,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:52,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,868 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-12-02 23:22:52,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:52,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:52,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:52,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:52,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:52,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:52,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:52,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:52,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:52,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:52,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:52,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e9a4da-4bf6-4a2d-b989-d6d8c4c2d2d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:22:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:22:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:22:53,016 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:53,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:53,221 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:53,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:53,267 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:22:53,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:53 BoogieIcfgContainer [2023-12-02 23:22:53,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:53,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:53,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:53,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:53,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:53" (1/1) ... [2023-12-02 23:22:53,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-12-02 23:22:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-12-02 23:22:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:22:53,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:22:53,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-12-02 23:22:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-12-02 23:22:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:22:53,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-12-02 23:22:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-12-02 23:22:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:22:53,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-12-02 23:22:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-12-02 23:22:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:22:53,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:53,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-12-02 23:22:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-12-02 23:22:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:22:53,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:22:53,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-12-02 23:22:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-12-02 23:22:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:22:54,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:54,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:22:54,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-12-02 23:22:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-12-02 23:22:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:22:55,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:55,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:55,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:55,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-12-02 23:22:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-12-02 23:22:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:22:55,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:55,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:55,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-12-02 23:22:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-12-02 23:22:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:22:57,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:57,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:57,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:22:57,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-12-02 23:22:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-12-02 23:22:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:22:58,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:22:58,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-12-02 23:23:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-12-02 23:23:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:23:00,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:00,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:00,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-12-02 23:23:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-12-02 23:23:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:23:01,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:01,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:01,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-12-02 23:23:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-12-02 23:23:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:23:02,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:02,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:02,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-12-02 23:23:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-12-02 23:23:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:23:05,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:05,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:05,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:23:05,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-12-02 23:23:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-12-02 23:23:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:23:07,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:07,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:07,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-12-02 23:23:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-12-02 23:23:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:23:11,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:11,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:23:11,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-12-02 23:23:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-12-02 23:23:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:23:14,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:14,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:14,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:14,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-12-02 23:23:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-12-02 23:23:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:23:18,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:19,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:19,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-12-02 23:23:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-12-02 23:23:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:23:20,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:20,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:23:20,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-12-02 23:23:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-12-02 23:23:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:23:24,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:24,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:24,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:24,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-12-02 23:23:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-12-02 23:23:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:23:25,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:25,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:25,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-12-02 23:23:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-12-02 23:23:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:23:26,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:26,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:23:26,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 182 states and 320 transitions. [2023-12-02 23:23:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 320 transitions. [2023-12-02 23:23:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:23:29,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:29,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:29,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 184 states and 323 transitions. [2023-12-02 23:23:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 323 transitions. [2023-12-02 23:23:29,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:23:29,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:29,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:23:29,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 202 states and 369 transitions. [2023-12-02 23:23:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2023-12-02 23:23:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:23:33,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:33,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:23:33,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 379 transitions. [2023-12-02 23:23:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2023-12-02 23:23:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:23:34,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:34,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:23:34,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 207 states and 383 transitions. [2023-12-02 23:23:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 383 transitions. [2023-12-02 23:23:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:23:34,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:34,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:34,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 216 states and 406 transitions. [2023-12-02 23:23:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 406 transitions. [2023-12-02 23:23:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:23:39,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:39,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:23:39,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:59,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:24:47,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:24:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 225 states and 438 transitions. [2023-12-02 23:24:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 438 transitions. [2023-12-02 23:24:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:24:47,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:47,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:24:47,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 233 states and 459 transitions. [2023-12-02 23:25:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 459 transitions. [2023-12-02 23:25:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:25:30,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:30,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:25:30,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:52,406 WARN L293 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 63 DAG size of output: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 241 states and 483 transitions. [2023-12-02 23:29:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 483 transitions. [2023-12-02 23:29:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:29:15,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:15,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:15,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:29:15,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 242 states and 486 transitions. [2023-12-02 23:29:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 486 transitions. [2023-12-02 23:29:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:29:22,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:22,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:29:22,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 252 states and 515 transitions. [2023-12-02 23:29:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 515 transitions. [2023-12-02 23:29:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:29:32,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:32,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:29:32,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 256 states and 523 transitions. [2023-12-02 23:29:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 523 transitions. [2023-12-02 23:29:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:29:35,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:35,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:29:35,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:32:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 266 states and 544 transitions. [2023-12-02 23:32:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 544 transitions. [2023-12-02 23:32:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:32:18,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:18,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:18,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:32:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 267 states and 547 transitions. [2023-12-02 23:32:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 547 transitions. [2023-12-02 23:32:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:32:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:20,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:20,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:32:20,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 282 states and 592 transitions. [2023-12-02 23:32:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 592 transitions. [2023-12-02 23:32:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:32:32,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:33,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:32:33,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 286 states and 601 transitions. [2023-12-02 23:32:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 601 transitions. [2023-12-02 23:32:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:32:35,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:35,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:35,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:35,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 296 states and 623 transitions. [2023-12-02 23:36:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 623 transitions. [2023-12-02 23:36:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:36:28,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:28,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:37:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 297 states and 626 transitions. [2023-12-02 23:37:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 626 transitions. [2023-12-02 23:37:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:37:11,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:11,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:37:11,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.