./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/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_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/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_636d2028-0053-416e-9fb0-15f3fe405b92/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 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:54,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:54,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:54,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:54,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:54,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:54,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:54,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:54,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:54,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:54,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:54,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:54,797 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:54,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:54,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:54,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:54,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:54,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:54,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:54,801 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:54,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:54,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:54,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:54,823 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:54,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:54,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:54,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:54,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:54,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:54,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:54,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:54,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:54,828 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:54,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:54,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:54,829 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_636d2028-0053-416e-9fb0-15f3fe405b92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a [2023-11-19 02:54:55,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:55,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:55,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:55,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:55,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:55,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2023-11-19 02:54:58,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:58,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:58,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2023-11-19 02:54:58,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/data/d8b6c87e0/fe4f61ac948841688b673ba19d3c8fe4/FLAG2fabe06f7 [2023-11-19 02:54:58,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/data/d8b6c87e0/fe4f61ac948841688b673ba19d3c8fe4 [2023-11-19 02:54:58,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:58,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:58,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:58,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:58,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:58,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:58" (1/1) ... [2023-11-19 02:54:58,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6113e6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58, skipping insertion in model container [2023-11-19 02:54:58,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:58" (1/1) ... [2023-11-19 02:54:58,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:59,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:59,169 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:59,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:59,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:59,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59 WrapperNode [2023-11-19 02:54:59,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:59,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:59,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:59,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:59,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,266 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 02:54:59,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:59,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:59,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:59,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:59,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:59,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:59,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:59,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:59,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:59,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:59,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:59,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636d2028-0053-416e-9fb0-15f3fe405b92/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:54:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:54:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:59,466 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:59,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:59,814 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:59,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:59,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:59,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:59 BoogieIcfgContainer [2023-11-19 02:54:59,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:59,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:59,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:59,876 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:59,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:59" (1/1) ... [2023-11-19 02:54:59,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 02:54:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 02:54:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:54:59,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:00,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:00,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:00,525 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 02:55:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-19 02:55:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 02:55:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:55:00,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:00,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:55:00,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,090 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 02:55:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-19 02:55:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-19 02:55:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:55:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:01,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:01,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,834 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 02:55:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-19 02:55:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-19 02:55:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:02,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,428 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 02:55:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-19 02:55:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-19 02:55:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:55:03,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,383 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 02:55:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-19 02:55:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-19 02:55:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:04,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 90 transitions. [2023-11-19 02:55:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-19 02:55:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:55:04,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,885 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 02:55:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 95 transitions. [2023-11-19 02:55:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-19 02:55:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:05,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:05,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:05,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,126 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 02:55:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 94 transitions. [2023-11-19 02:55:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-19 02:55:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:05,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:05,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:05,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,470 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 02:55:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 110 transitions. [2023-11-19 02:55:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-19 02:55:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:07,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:07,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:07,346 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 02:55:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 113 transitions. [2023-11-19 02:55:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-11-19 02:55:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:55:07,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:07,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:07,656 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 02:55:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 90 states and 130 transitions. [2023-11-19 02:55:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-19 02:55:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:55:10,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:10,132 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 02:55:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 135 transitions. [2023-11-19 02:55:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2023-11-19 02:55:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:55:10,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:10,458 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 02:55:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 139 transitions. [2023-11-19 02:55:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2023-11-19 02:55:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:55:11,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,669 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 02:55:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 161 transitions. [2023-11-19 02:55:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-19 02:55:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:15,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,657 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 02:55:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:19,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 183 transitions. [2023-11-19 02:55:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-19 02:55:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:19,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:19,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:19,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:19,720 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 02:55:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 193 transitions. [2023-11-19 02:55:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-11-19 02:55:20,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:20,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:20,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:20,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:20,487 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 02:55:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 198 transitions. [2023-11-19 02:55:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-19 02:55:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:21,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,562 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 02:55:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 201 transitions. [2023-11-19 02:55:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-19 02:55:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:22,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:22,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:55:22,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 227 transitions. [2023-11-19 02:55:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2023-11-19 02:55:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:25,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,599 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 02:55:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 228 transitions. [2023-11-19 02:55:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 228 transitions. [2023-11-19 02:55:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:25,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:26,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:55:26,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 152 states and 263 transitions. [2023-11-19 02:55:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2023-11-19 02:55:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:30,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:30,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:30,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:30,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:55:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 159 states and 272 transitions. [2023-11-19 02:55:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 272 transitions. [2023-11-19 02:55:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:55:32,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:32,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:32,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:32,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:55:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 277 transitions. [2023-11-19 02:55:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 277 transitions. [2023-11-19 02:55:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:55:32,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:32,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:32,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:32,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:55:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 281 transitions. [2023-11-19 02:55:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2023-11-19 02:55:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:55:34,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:34,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:34,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:55:34,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 176 states and 302 transitions. [2023-11-19 02:55:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 302 transitions. [2023-11-19 02:55:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:55:39,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:39,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:39,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 187 states and 323 transitions. [2023-11-19 02:55:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 323 transitions. [2023-11-19 02:55:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:55:45,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:45,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:45,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 190 states and 327 transitions. [2023-11-19 02:55:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 327 transitions. [2023-11-19 02:55:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:55:47,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:47,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:55:47,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.