./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-nt.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_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/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_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/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_1ab5dd71-42c8-456b-807d-80cd7ae1397c/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 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:25,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:25,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:16:25,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:25,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:25,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:25,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:25,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:25,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:25,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:25,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:25,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:25,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:16:25,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:25,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:16:25,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:25,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:25,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:25,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:25,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:25,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:25,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:16:25,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:25,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:25,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:25,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:25,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:25,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:25,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:25,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:25,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:25,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:25,418 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:25,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:25,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:25,419 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_1ab5dd71-42c8-456b-807d-80cd7ae1397c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 [2023-11-23 20:16:25,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:25,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:25,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:25,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:25,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:25,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-23 20:16:28,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:29,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:29,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-23 20:16:29,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/data/4bf96911a/ae39de1c60c3415199b66d9c3ba8b50c/FLAG2c7059f67 [2023-11-23 20:16:29,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/data/4bf96911a/ae39de1c60c3415199b66d9c3ba8b50c [2023-11-23 20:16:29,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:29,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:29,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:29,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:29,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:29,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f397cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29, skipping insertion in model container [2023-11-23 20:16:29,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:29,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:29,628 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:29,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:29,653 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:29,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29 WrapperNode [2023-11-23 20:16:29,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:29,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:29,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:29,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:29,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,689 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-23 20:16:29,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:29,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:29,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:29,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:29,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:29,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:29,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:29,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:29,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:29" (1/1) ... [2023-11-23 20:16:29,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:29,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab5dd71-42c8-456b-807d-80cd7ae1397c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:29,864 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:29,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:30,198 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:30,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:30,238 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:16:30,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:30 BoogieIcfgContainer [2023-11-23 20:16:30,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:30,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:30,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:30,250 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:30,250 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:30" (1/1) ... [2023-11-23 20:16:30,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-23 20:16:30,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-23 20:16:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:16:30,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2023-11-23 20:16:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2023-11-23 20:16:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:16:30,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-23 20:16:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 20:16:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:16:30,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:16:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:16:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:16:30,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2023-11-23 20:16:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2023-11-23 20:16:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:16:31,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2023-11-23 20:16:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-11-23 20:16:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:31,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-23 20:16:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-23 20:16:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:31,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-23 20:16:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-23 20:16:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:16:31,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2023-11-23 20:16:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-11-23 20:16:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:16:32,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:32,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2023-11-23 20:16:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2023-11-23 20:16:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:16:32,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:32,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 110 transitions. [2023-11-23 20:16:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-23 20:16:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:33,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:33,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:33,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2023-11-23 20:16:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2023-11-23 20:16:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:16:34,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:34,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:34,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2023-11-23 20:16:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-23 20:16:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:34,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:34,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:34,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-23 20:16:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-23 20:16:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:35,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:35,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:35,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2023-11-23 20:16:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-23 20:16:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:35,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:35,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:35,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 105 states and 160 transitions. [2023-11-23 20:16:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2023-11-23 20:16:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:16:36,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 168 transitions. [2023-11-23 20:16:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2023-11-23 20:16:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:37,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:37,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:37,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 117 states and 177 transitions. [2023-11-23 20:16:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-23 20:16:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:37,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:37,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:37,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 185 transitions. [2023-11-23 20:16:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2023-11-23 20:16:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:16:38,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:38,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:38,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:38,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-11-23 20:16:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-11-23 20:16:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:16:39,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:39,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-23 20:16:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-23 20:16:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:39,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:40,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 134 states and 206 transitions. [2023-11-23 20:16:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2023-11-23 20:16:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:16:40,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:40,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:40,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 212 transitions. [2023-11-23 20:16:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-23 20:16:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:41,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:41,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:16:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-23 20:16:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-23 20:16:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:41,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:41,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2023-11-23 20:16:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2023-11-23 20:16:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:42,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:42,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-11-23 20:16:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-23 20:16:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:43,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:43,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:43,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:43,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:16:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 165 states and 259 transitions. [2023-11-23 20:16:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 259 transitions. [2023-11-23 20:16:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:44,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:44,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 168 states and 267 transitions. [2023-11-23 20:16:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 267 transitions. [2023-11-23 20:16:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:45,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:45,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:45,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:16:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 176 states and 277 transitions. [2023-11-23 20:16:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 277 transitions. [2023-11-23 20:16:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:16:46,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:46,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 179 states and 282 transitions. [2023-11-23 20:16:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2023-11-23 20:16:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:16:47,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:47,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:47,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 187 states and 296 transitions. [2023-11-23 20:16:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2023-11-23 20:16:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:16:48,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:48,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:48,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 190 states and 307 transitions. [2023-11-23 20:16:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 307 transitions. [2023-11-23 20:16:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:49,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:49,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:49,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 195 states and 314 transitions. [2023-11-23 20:16:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 314 transitions. [2023-11-23 20:16:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:50,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:50,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:50,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:50,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:16:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 202 states and 322 transitions. [2023-11-23 20:16:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 322 transitions. [2023-11-23 20:16:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:51,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:51,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:51,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:51,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 210 states and 348 transitions. [2023-11-23 20:16:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 348 transitions. [2023-11-23 20:16:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:52,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:52,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:52,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:52,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 216 states and 360 transitions. [2023-11-23 20:16:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 360 transitions. [2023-11-23 20:16:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:53,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:53,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:53,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:16:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 224 states and 370 transitions. [2023-11-23 20:16:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 370 transitions. [2023-11-23 20:16:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:54,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:54,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:54,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 227 states and 378 transitions. [2023-11-23 20:16:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2023-11-23 20:16:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:55,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:55,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:55,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:55,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:16:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 235 states and 388 transitions. [2023-11-23 20:16:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 388 transitions. [2023-11-23 20:16:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:56,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:56,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:56,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:16:56,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 393 transitions. [2023-11-23 20:16:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2023-11-23 20:16:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:58,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:16:58,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 241 states and 406 transitions. [2023-11-23 20:16:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 406 transitions. [2023-11-23 20:16:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:59,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:16:59,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 250 states and 421 transitions. [2023-11-23 20:17:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 421 transitions. [2023-11-23 20:17:01,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:17:01,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:01,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:01,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:01,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 255 states and 428 transitions. [2023-11-23 20:17:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 428 transitions. [2023-11-23 20:17:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:02,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:02,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:02,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 20:17:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 262 states and 436 transitions. [2023-11-23 20:17:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 436 transitions. [2023-11-23 20:17:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:03,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:03,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:03,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:03,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 270 states and 466 transitions. [2023-11-23 20:17:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 466 transitions. [2023-11-23 20:17:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:17:04,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:04,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:04,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:17:04,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 276 states and 478 transitions. [2023-11-23 20:17:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 478 transitions. [2023-11-23 20:17:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:17:06,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:06,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:06,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:06,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 20:17:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 284 states and 488 transitions. [2023-11-23 20:17:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 488 transitions. [2023-11-23 20:17:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:17:07,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:07,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:17:07,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 287 states and 496 transitions. [2023-11-23 20:17:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 496 transitions. [2023-11-23 20:17:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:09,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:09,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 20:17:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 295 states and 506 transitions. [2023-11-23 20:17:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 506 transitions. [2023-11-23 20:17:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:17:10,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:10,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:17:10,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2023-11-23 20:17:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2023-11-23 20:17:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:17:12,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:12,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:12,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:17:12,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 301 states and 526 transitions. [2023-11-23 20:17:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 526 transitions. [2023-11-23 20:17:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:17:13,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:13,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:17:13,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 310 states and 541 transitions. [2023-11-23 20:17:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 541 transitions. [2023-11-23 20:17:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:17:16,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:17:16,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 315 states and 548 transitions. [2023-11-23 20:17:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 548 transitions. [2023-11-23 20:17:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:17:17,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 20:17:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 322 states and 556 transitions. [2023-11-23 20:17:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 556 transitions. [2023-11-23 20:17:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:17:18,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:18,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:17:18,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 330 states and 590 transitions. [2023-11-23 20:17:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 590 transitions. [2023-11-23 20:17:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:17:20,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:20,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:20,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:20,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.