./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL --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 c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:41,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:41,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:56:41,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:41,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:41,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:41,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:41,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:41,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:41,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:41,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:41,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:41,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:41,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:41,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:41,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:41,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:41,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:41,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:41,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:41,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:41,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:41,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:41,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:41,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:41,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:41,283 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:41,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:41,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:41,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:41,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:41,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:41,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:41,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:41,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:41,288 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_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa [2023-11-19 02:56:41,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:41,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:41,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:41,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:41,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:41,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-19 02:56:44,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:44,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:44,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-19 02:56:44,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/data/c55b20abf/20d2017fc7864d44ac7ac2e2858493a1/FLAGa6a385030 [2023-11-19 02:56:45,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/data/c55b20abf/20d2017fc7864d44ac7ac2e2858493a1 [2023-11-19 02:56:45,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:45,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:45,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:45,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:45,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:45,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8f04b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45, skipping insertion in model container [2023-11-19 02:56:45,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:45,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:45,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:45,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:45,292 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:45,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45 WrapperNode [2023-11-19 02:56:45,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:45,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:45,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:45,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:45,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,337 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 02:56:45,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:45,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:45,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:45,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:45,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:45,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:45,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:45,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:45,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:45,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:45,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:45,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d791a41f-1cd9-46c9-816e-9d9c0b830c21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:56:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:56:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:56:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:56:45,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:45,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:45,960 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:45,991 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:45,991 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:56:45,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:45 BoogieIcfgContainer [2023-11-19 02:56:45,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:45,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:45,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:46,010 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:46,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:45" (1/1) ... [2023-11-19 02:56:46,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-19 02:56:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-19 02:56:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:56:46,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:56:46,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:56:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-19 02:56:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-19 02:56:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:56:46,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:56:46,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-19 02:56:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-19 02:56:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:56:47,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:56:47,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:56:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-19 02:56:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-19 02:56:47,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:56:47,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:56:47,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 118 states and 142 transitions. [2023-11-19 02:56:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2023-11-19 02:56:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:48,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:48,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 124 states and 152 transitions. [2023-11-19 02:56:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2023-11-19 02:56:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:56:48,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:48,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 131 states and 164 transitions. [2023-11-19 02:56:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2023-11-19 02:56:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:49,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:49,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:49,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:56:49,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 178 transitions. [2023-11-19 02:56:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 178 transitions. [2023-11-19 02:56:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:50,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:50,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:50,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:50,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:56:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 140 states and 180 transitions. [2023-11-19 02:56:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2023-11-19 02:56:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:50,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:50,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:50,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:56:50,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 143 states and 185 transitions. [2023-11-19 02:56:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 185 transitions. [2023-11-19 02:56:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:51,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:51,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:56:51,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 142 states and 184 transitions. [2023-11-19 02:56:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2023-11-19 02:56:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:51,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:51,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:51,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:51,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 150 states and 201 transitions. [2023-11-19 02:56:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2023-11-19 02:56:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:53,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:56:53,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 149 states and 200 transitions. [2023-11-19 02:56:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 200 transitions. [2023-11-19 02:56:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:53,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:53,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:53,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 158 states and 219 transitions. [2023-11-19 02:56:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2023-11-19 02:56:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:55,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:55,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 161 states and 223 transitions. [2023-11-19 02:56:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 223 transitions. [2023-11-19 02:56:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:55,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:56:55,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 222 transitions. [2023-11-19 02:56:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 222 transitions. [2023-11-19 02:56:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:55,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:56,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 226 transitions. [2023-11-19 02:56:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2023-11-19 02:56:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:56,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:56,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 173 states and 247 transitions. [2023-11-19 02:57:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-19 02:57:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:57:00,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:57:00,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 178 states and 258 transitions. [2023-11-19 02:57:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 258 transitions. [2023-11-19 02:57:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:14,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:57:15,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 181 states and 262 transitions. [2023-11-19 02:57:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 262 transitions. [2023-11-19 02:57:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:15,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:57:15,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 192 states and 286 transitions. [2023-11-19 02:57:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 286 transitions. [2023-11-19 02:57:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:20,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:20,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:20,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:57:20,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 203 states and 309 transitions. [2023-11-19 02:57:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 309 transitions. [2023-11-19 02:57:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:25,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:25,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:57:25,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 207 states and 316 transitions. [2023-11-19 02:57:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 316 transitions. [2023-11-19 02:57:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:26,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:57:26,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 315 transitions. [2023-11-19 02:57:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 315 transitions. [2023-11-19 02:57:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:57:30,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:30,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:57:30,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 210 states and 322 transitions. [2023-11-19 02:57:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 322 transitions. [2023-11-19 02:57:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:57:31,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:31,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:31,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:31,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 214 states and 329 transitions. [2023-11-19 02:57:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 329 transitions. [2023-11-19 02:57:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:57:33,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:33,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:33,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:57:33,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 218 states and 335 transitions. [2023-11-19 02:57:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 335 transitions. [2023-11-19 02:57:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:57:35,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:57:35,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 223 states and 345 transitions. [2023-11-19 02:57:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 345 transitions. [2023-11-19 02:57:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:38,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:38,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:57:38,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 227 states and 351 transitions. [2023-11-19 02:57:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 351 transitions. [2023-11-19 02:57:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:39,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:39,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 231 states and 357 transitions. [2023-11-19 02:57:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 357 transitions. [2023-11-19 02:57:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:41,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:41,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:57:41,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.