./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC --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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:54,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:54,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:18:54,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:54,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:54,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:54,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:54,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:54,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:54,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:54,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:54,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:54,507 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:18:54,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:54,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:18:54,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:54,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:54,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:54,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:54,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:54,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:54,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:18:54,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:54,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:54,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:54,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:54,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:54,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:54,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:54,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:54,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:54,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:54,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:54,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:54,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:54,520 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_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2023-11-23 20:18:54,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:54,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:54,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:54,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:54,971 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:54,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-23 20:18:58,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:59,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:59,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-23 20:18:59,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/data/55ddf2e1a/71db0766caf74ccba71581ff2aa865f8/FLAG587469634 [2023-11-23 20:18:59,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/data/55ddf2e1a/71db0766caf74ccba71581ff2aa865f8 [2023-11-23 20:18:59,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:59,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:59,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:59,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:59,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:59,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3575abc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59, skipping insertion in model container [2023-11-23 20:18:59,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:59,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:59,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:59,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:59,713 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:59,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59 WrapperNode [2023-11-23 20:18:59,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:59,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:59,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:59,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:59,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,765 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-23 20:18:59,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:59,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:59,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:59,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:59,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:59,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:59,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:59,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:59,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:59" (1/1) ... [2023-11-23 20:18:59,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:59,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:59,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82684a9c-c698-4e2e-b09e-a1be2406ed75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:19:00,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:00,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:00,458 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:00,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:00,512 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:19:00,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:00 BoogieIcfgContainer [2023-11-23 20:19:00,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:00,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:00,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:00,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:00,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:00" (1/1) ... [2023-11-23 20:19:00,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-23 20:19:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-23 20:19:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:19:00,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-23 20:19:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-23 20:19:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:19:01,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-23 20:19:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-23 20:19:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:01,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:01,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:01,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:02,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-23 20:19:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-23 20:19:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:19:02,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:02,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:02,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-23 20:19:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-23 20:19:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:02,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:02,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:02,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-23 20:19:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-23 20:19:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:19:02,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:02,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:02,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-23 20:19:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-23 20:19:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:19:03,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:03,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:03,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:03,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-23 20:19:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-23 20:19:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:19:03,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:03,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:04,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:04,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-23 20:19:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-23 20:19:04,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:19:04,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:04,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:04,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-23 20:19:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-23 20:19:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:19:05,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:05,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:05,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-23 20:19:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-23 20:19:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:05,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:05,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:05,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:19:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-23 20:19:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-23 20:19:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:08,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:08,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:08,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-23 20:19:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-23 20:19:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:09,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:09,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:19:09,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:11,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 174 transitions. [2023-11-23 20:19:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 174 transitions. [2023-11-23 20:19:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:11,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:11,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:11,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:11,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 98 states and 171 transitions. [2023-11-23 20:19:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2023-11-23 20:19:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:19:11,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:11,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:19:11,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 105 states and 191 transitions. [2023-11-23 20:19:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 191 transitions. [2023-11-23 20:19:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:19:13,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:13,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:13,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:13,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 109 states and 207 transitions. [2023-11-23 20:19:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2023-11-23 20:19:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:19:15,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:15,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:15,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:15,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 115 states and 218 transitions. [2023-11-23 20:19:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 218 transitions. [2023-11-23 20:19:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:19:16,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:16,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:16,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 119 states and 228 transitions. [2023-11-23 20:19:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 228 transitions. [2023-11-23 20:19:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:19:17,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:17,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:17,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:17,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 121 states and 233 transitions. [2023-11-23 20:19:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 233 transitions. [2023-11-23 20:19:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:19:18,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:18,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:18,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 125 states and 237 transitions. [2023-11-23 20:19:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 237 transitions. [2023-11-23 20:19:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:19:20,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:20,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:20,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:20,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 125 states and 232 transitions. [2023-11-23 20:19:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 232 transitions. [2023-11-23 20:19:20,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:19:20,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:20,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:20,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 252 transitions. [2023-11-23 20:19:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2023-11-23 20:19:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:19:22,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:22,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:22,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:22,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 137 states and 259 transitions. [2023-11-23 20:19:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2023-11-23 20:19:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:19:23,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:23,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:23,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 139 states and 261 transitions. [2023-11-23 20:19:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 261 transitions. [2023-11-23 20:19:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:19:24,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:24,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:24,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:24,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 143 states and 277 transitions. [2023-11-23 20:19:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 277 transitions. [2023-11-23 20:19:26,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:19:26,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:26,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 149 states and 292 transitions. [2023-11-23 20:19:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 292 transitions. [2023-11-23 20:19:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:19:28,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 153 states and 304 transitions. [2023-11-23 20:19:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 304 transitions. [2023-11-23 20:19:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:19:28,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 326 transitions. [2023-11-23 20:19:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 326 transitions. [2023-11-23 20:19:30,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:19:30,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:30,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 161 states and 321 transitions. [2023-11-23 20:19:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 321 transitions. [2023-11-23 20:19:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:19:31,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 163 states and 323 transitions. [2023-11-23 20:19:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 323 transitions. [2023-11-23 20:19:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:19:32,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 171 states and 336 transitions. [2023-11-23 20:19:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 336 transitions. [2023-11-23 20:19:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:19:35,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:35,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 178 states and 356 transitions. [2023-11-23 20:19:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 356 transitions. [2023-11-23 20:19:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:19:37,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 178 states and 353 transitions. [2023-11-23 20:19:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 353 transitions. [2023-11-23 20:19:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:19:37,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 180 states and 355 transitions. [2023-11-23 20:19:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 355 transitions. [2023-11-23 20:19:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:19:38,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:38,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 183 states and 359 transitions. [2023-11-23 20:19:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 359 transitions. [2023-11-23 20:19:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:19:39,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:39,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:39,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 187 states and 373 transitions. [2023-11-23 20:19:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 373 transitions. [2023-11-23 20:19:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:19:40,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:40,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:40,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 195 states and 404 transitions. [2023-11-23 20:19:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 404 transitions. [2023-11-23 20:19:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:19:42,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:42,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:42,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 197 states and 405 transitions. [2023-11-23 20:19:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 405 transitions. [2023-11-23 20:19:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:19:43,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:43,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:43,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.