./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2 --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 c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:28,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:28,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:28,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:28,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:28,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:28,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:28,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:28,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:28,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:28,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:28,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:28,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:28,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:28,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:28,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:28,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:28,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:28,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:28,637 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:28,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:28,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:28,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:28,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:28,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:28,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:28,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:28,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:28,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:28,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:28,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:28,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:28,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:28,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:28,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:28,653 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_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2023-11-21 18:47:28,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:28,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:28,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:28,961 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:28,962 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:28,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2023-11-21 18:47:32,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:32,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:32,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2023-11-21 18:47:32,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/data/24c8ec9da/5f7d6ed18e4047549f03ac4172fdc141/FLAGc2135ceab [2023-11-21 18:47:32,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/data/24c8ec9da/5f7d6ed18e4047549f03ac4172fdc141 [2023-11-21 18:47:32,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:32,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:32,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:32,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:32,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:32,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cfa39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32, skipping insertion in model container [2023-11-21 18:47:32,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:32,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:32,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:32,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:32,650 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:32,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32 WrapperNode [2023-11-21 18:47:32,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:32,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:32,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:32,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:32,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,687 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-21 18:47:32,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:32,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:32,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:32,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:32,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:32,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:32,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:32,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:32,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:32" (1/1) ... [2023-11-21 18:47:32,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:32,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:32,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47778852-a064-4c90-a59d-305fd183df50/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-21 18:47:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-21 18:47:32,866 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:32,868 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:32,988 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:33,024 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:33,025 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:47:33,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:33 BoogieIcfgContainer [2023-11-21 18:47:33,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:33,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:33,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:33,039 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:33,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:33" (1/1) ... [2023-11-21 18:47:33,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-21 18:47:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-21 18:47:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:47:33,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-11-21 18:47:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:47:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:33,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2023-11-21 18:47:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:47:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:33,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2023-11-21 18:47:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-21 18:47:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:47:34,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2023-11-21 18:47:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:47:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:47:34,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2023-11-21 18:47:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 18:47:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:34,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2023-11-21 18:47:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-21 18:47:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:47:35,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2023-11-21 18:47:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-21 18:47:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:47:35,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2023-11-21 18:47:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-21 18:47:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:35,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2023-11-21 18:47:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-21 18:47:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:36,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2023-11-21 18:47:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-21 18:47:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2023-11-21 18:47:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-21 18:47:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:47:37,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2023-11-21 18:47:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:47:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:47:38,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 81 transitions. [2023-11-21 18:47:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-21 18:47:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:47:38,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 87 transitions. [2023-11-21 18:47:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:47:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:47:39,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 93 transitions. [2023-11-21 18:47:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-21 18:47:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:47:40,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 99 transitions. [2023-11-21 18:47:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-11-21 18:47:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:47:40,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:40,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 105 transitions. [2023-11-21 18:47:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:47:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:47:41,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 111 transitions. [2023-11-21 18:47:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2023-11-21 18:47:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:47:42,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:42,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 117 transitions. [2023-11-21 18:47:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2023-11-21 18:47:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 18:47:43,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 123 transitions. [2023-11-21 18:47:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-11-21 18:47:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:47:44,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 129 transitions. [2023-11-21 18:47:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2023-11-21 18:47:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-21 18:47:45,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 135 transitions. [2023-11-21 18:47:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2023-11-21 18:47:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:47:46,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2023-11-21 18:47:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2023-11-21 18:47:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:47:47,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:47,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2023-11-21 18:47:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2023-11-21 18:47:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:47:48,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2023-11-21 18:47:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2023-11-21 18:47:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-21 18:47:48,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-11-21 18:47:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 155 transitions. [2023-11-21 18:47:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2023-11-21 18:47:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-21 18:47:49,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2023-11-21 18:47:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2023-11-21 18:47:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:47:50,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 201 transitions. [2023-11-21 18:47:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2023-11-21 18:47:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-21 18:47:51,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 222 transitions. [2023-11-21 18:47:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2023-11-21 18:47:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:47:52,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 242 transitions. [2023-11-21 18:47:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2023-11-21 18:47:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-21 18:47:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 142 states and 261 transitions. [2023-11-21 18:47:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2023-11-21 18:47:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:47:54,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:54,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 279 transitions. [2023-11-21 18:47:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 279 transitions. [2023-11-21 18:47:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-21 18:47:55,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:55,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 152 states and 296 transitions. [2023-11-21 18:47:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2023-11-21 18:47:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-21 18:47:57,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 157 states and 312 transitions. [2023-11-21 18:47:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2023-11-21 18:47:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-21 18:47:58,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:58,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:47:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 162 states and 327 transitions. [2023-11-21 18:47:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2023-11-21 18:47:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-21 18:47:59,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 167 states and 341 transitions. [2023-11-21 18:48:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 341 transitions. [2023-11-21 18:48:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-21 18:48:01,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 172 states and 354 transitions. [2023-11-21 18:48:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 354 transitions. [2023-11-21 18:48:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-21 18:48:02,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 177 states and 366 transitions. [2023-11-21 18:48:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 366 transitions. [2023-11-21 18:48:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-21 18:48:04,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:04,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 182 states and 377 transitions. [2023-11-21 18:48:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 377 transitions. [2023-11-21 18:48:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-21 18:48:05,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:05,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 187 states and 387 transitions. [2023-11-21 18:48:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 387 transitions. [2023-11-21 18:48:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-21 18:48:07,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 192 states and 396 transitions. [2023-11-21 18:48:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 396 transitions. [2023-11-21 18:48:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-21 18:48:09,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:09,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 197 states and 404 transitions. [2023-11-21 18:48:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 404 transitions. [2023-11-21 18:48:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-21 18:48:10,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:10,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 202 states and 411 transitions. [2023-11-21 18:48:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2023-11-21 18:48:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-21 18:48:12,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:12,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:48:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 207 states and 417 transitions. [2023-11-21 18:48:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 417 transitions. [2023-11-21 18:48:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-21 18:48:14,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked.