./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/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_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/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_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/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 d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:13,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:13,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:13,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:13,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:13,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:13,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:13,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:13,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:13,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:13,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:13,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:13,706 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:13,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:13,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:13,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:13,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:13,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:13,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:13,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:13,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:13,712 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:13,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:13,713 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:13,714 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:13,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:13,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:13,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:13,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:13,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:13,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:13,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:13,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:13,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:13,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:13,719 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_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d [2023-11-23 20:22:14,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:14,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:14,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:14,067 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:14,068 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:14,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2023-11-23 20:22:17,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:17,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:17,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2023-11-23 20:22:17,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/data/5dbcd7dfe/47220b2d24654abb882225d33f50a3ec/FLAGe540e614d [2023-11-23 20:22:17,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/data/5dbcd7dfe/47220b2d24654abb882225d33f50a3ec [2023-11-23 20:22:17,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:17,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:17,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:17,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:17,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:17,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282fdf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17, skipping insertion in model container [2023-11-23 20:22:17,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:17,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:17,868 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:17,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:17,904 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:17,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17 WrapperNode [2023-11-23 20:22:17,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:17,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:17,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:17,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:17,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,945 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-23 20:22:17,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:17,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:17,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:17,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:17,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:17,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:17,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:17,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:17,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:17" (1/1) ... [2023-11-23 20:22:17,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:18,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cbb2a8-22cf-42ee-9da4-3bcaf6390e63/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:18,113 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:18,115 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:18,335 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:18,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:18,398 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:18,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:18 BoogieIcfgContainer [2023-11-23 20:22:18,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:18,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:18,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:18,413 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:18,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:18" (1/1) ... [2023-11-23 20:22:18,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:22:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:22:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:18,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:18,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:22:18,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:22:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-23 20:22:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-23 20:22:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:22:19,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:19,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:22:19,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-23 20:22:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-23 20:22:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:19,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:19,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:19,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:19,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-23 20:22:20,157 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-23 20:22:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:20,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:20,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:20,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:20,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-23 20:22:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-23 20:22:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:20,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:21,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:22:21,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-23 20:22:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-23 20:22:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:21,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:22:22,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:22:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 90 transitions. [2023-11-23 20:22:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-23 20:22:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:22:22,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:22,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 95 transitions. [2023-11-23 20:22:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-23 20:22:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:22:22,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:22,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 94 transitions. [2023-11-23 20:22:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-23 20:22:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:22:22,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:22,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:22,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 112 transitions. [2023-11-23 20:22:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-23 20:22:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:22:25,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:25,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:25,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:25,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 115 transitions. [2023-11-23 20:22:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-23 20:22:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:25,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:25,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:25,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 132 transitions. [2023-11-23 20:22:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-23 20:22:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:28,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:28,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:28,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:28,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 137 transitions. [2023-11-23 20:22:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-23 20:22:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:28,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:28,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:28,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 141 transitions. [2023-11-23 20:22:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2023-11-23 20:22:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:30,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:30,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:30,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 161 transitions. [2023-11-23 20:22:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-23 20:22:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:34,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:34,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:34,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:34,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 183 transitions. [2023-11-23 20:22:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-23 20:22:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:38,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 193 transitions. [2023-11-23 20:22:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-11-23 20:22:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:39,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:39,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:39,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 198 transitions. [2023-11-23 20:22:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-23 20:22:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:40,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 201 transitions. [2023-11-23 20:22:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-23 20:22:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:40,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 227 transitions. [2023-11-23 20:22:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2023-11-23 20:22:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:22:44,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:44,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:44,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:44,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 228 transitions. [2023-11-23 20:22:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 228 transitions. [2023-11-23 20:22:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:22:44,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:44,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:44,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:22:44,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 152 states and 264 transitions. [2023-11-23 20:22:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2023-11-23 20:22:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:22:49,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:49,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:49,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:49,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:22:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 156 states and 270 transitions. [2023-11-23 20:22:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2023-11-23 20:22:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:22:49,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:49,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:49,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:22:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 159 states and 274 transitions. [2023-11-23 20:22:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 274 transitions. [2023-11-23 20:22:50,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:22:50,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:50,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:50,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:22:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 163 states and 280 transitions. [2023-11-23 20:22:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 280 transitions. [2023-11-23 20:22:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:22:51,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:51,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:51,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:51,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:22:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 284 transitions. [2023-11-23 20:22:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 284 transitions. [2023-11-23 20:22:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:22:52,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:52,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:22:52,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:22:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 176 states and 304 transitions. [2023-11-23 20:22:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 304 transitions. [2023-11-23 20:22:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:22:56,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:56,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:56,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:56,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 187 states and 325 transitions. [2023-11-23 20:22:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 325 transitions. [2023-11-23 20:22:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:22:59,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:59,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:59,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:59,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:23:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 190 states and 330 transitions. [2023-11-23 20:23:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 330 transitions. [2023-11-23 20:23:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:23:00,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:00,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:00,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:23:00,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:23:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 197 states and 344 transitions. [2023-11-23 20:23:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 344 transitions. [2023-11-23 20:23:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:23:04,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:04,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:04,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:04,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:23:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 208 states and 365 transitions. [2023-11-23 20:23:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 365 transitions. [2023-11-23 20:23:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:23:09,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:09,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.