./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.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_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/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_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/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_02af3a88-e0da-4fb4-b7d0-a17777545cd0/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 ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:45,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:45,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:45,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:45,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:45,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:45,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:45,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:45,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:45,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:45,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:45,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:45,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:45,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:45,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:45,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:45,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:45,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:45,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:45,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:45,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:45,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:45,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:45,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:45,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:45,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:45,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:45,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:45,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:45,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:45,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:45,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:45,333 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:45,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:45,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:45,334 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_02af3a88-e0da-4fb4-b7d0-a17777545cd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2023-11-21 18:45:45,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:45,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:45,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:45,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:45,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:45,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2023-11-21 18:45:48,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:49,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:49,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2023-11-21 18:45:49,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/data/35233f326/664611c566ba4a7bb92fdf7057b931ad/FLAG64092da94 [2023-11-21 18:45:49,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/data/35233f326/664611c566ba4a7bb92fdf7057b931ad [2023-11-21 18:45:49,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:49,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:49,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:49,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:49,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:49,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f78951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49, skipping insertion in model container [2023-11-21 18:45:49,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:49,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:49,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:49,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:49,534 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:49,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49 WrapperNode [2023-11-21 18:45:49,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:49,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:49,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:49,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:49,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,580 INFO L138 Inliner]: procedures = 14, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 138 [2023-11-21 18:45:49,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:49,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:49,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:49,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:49,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:49,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:49,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:49,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:49,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:49,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:49,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:49,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02af3a88-e0da-4fb4-b7d0-a17777545cd0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:45:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:45:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:45:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:45:49,783 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:49,785 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:50,097 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:50,221 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:50,221 INFO L308 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-21 18:45:50,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:50 BoogieIcfgContainer [2023-11-21 18:45:50,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:50,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:50,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:50,241 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:50,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:50" (1/1) ... [2023-11-21 18:45:50,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-21 18:45:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:45:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:45:50,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:50,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:50,589 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 18:45:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-21 18:45:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-21 18:45:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:45:50,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:50,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:50,739 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 18:45:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-21 18:45:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-21 18:45:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:45:50,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:50,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:50,848 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 18:45:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2023-11-21 18:45:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-21 18:45:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:45:50,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,067 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 18:45:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 58 states and 82 transitions. [2023-11-21 18:45:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-21 18:45:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:45:51,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,215 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 18:45:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:45:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:45:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:51,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,425 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 18:45:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2023-11-21 18:45:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2023-11-21 18:45:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:51,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,489 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 18:45:51,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-11-21 18:45:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-11-21 18:45:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:51,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,585 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 18:45:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2023-11-21 18:45:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-21 18:45:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:51,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,663 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 18:45:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2023-11-21 18:45:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2023-11-21 18:45:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:51,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,747 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 18:45:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2023-11-21 18:45:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2023-11-21 18:45:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:52,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,144 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 18:45:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2023-11-21 18:45:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2023-11-21 18:45:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:52,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,426 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 18:45:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2023-11-21 18:45:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2023-11-21 18:45:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:52,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,637 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 18:45:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 163 transitions. [2023-11-21 18:45:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 163 transitions. [2023-11-21 18:45:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:52,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,829 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 18:45:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 90 states and 167 transitions. [2023-11-21 18:45:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 167 transitions. [2023-11-21 18:45:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:52,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,928 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 18:45:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 93 states and 176 transitions. [2023-11-21 18:45:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 176 transitions. [2023-11-21 18:45:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:52,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,019 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 18:45:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 97 states and 185 transitions. [2023-11-21 18:45:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 185 transitions. [2023-11-21 18:45:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:53,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,117 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 18:45:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 100 states and 192 transitions. [2023-11-21 18:45:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2023-11-21 18:45:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:53,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,203 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 18:45:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 104 states and 206 transitions. [2023-11-21 18:45:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 206 transitions. [2023-11-21 18:45:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:53,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2023-11-21 18:45:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2023-11-21 18:45:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:53,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 109 states and 215 transitions. [2023-11-21 18:45:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 215 transitions. [2023-11-21 18:45:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:53,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 110 states and 216 transitions. [2023-11-21 18:45:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 216 transitions. [2023-11-21 18:45:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:54,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:54,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:54,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:54,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 221 transitions. [2023-11-21 18:45:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 221 transitions. [2023-11-21 18:45:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:45:54,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:54,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:54,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 113 states and 223 transitions. [2023-11-21 18:45:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 223 transitions. [2023-11-21 18:45:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:45:54,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:54,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:54,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:54,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2023-11-21 18:45:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2023-11-21 18:45:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:45:55,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:55,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:55,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:55,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 119 states and 239 transitions. [2023-11-21 18:45:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 239 transitions. [2023-11-21 18:45:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:45:56,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:56,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:56,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 121 states and 240 transitions. [2023-11-21 18:45:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 240 transitions. [2023-11-21 18:45:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:45:56,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:56,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:56,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:56,423 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 18:45:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 124 states and 250 transitions. [2023-11-21 18:45:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 250 transitions. [2023-11-21 18:45:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:45:56,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:56,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:56,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:56,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2023-11-21 18:45:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2023-11-21 18:45:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:45:57,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:57,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 129 states and 254 transitions. [2023-11-21 18:45:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 254 transitions. [2023-11-21 18:45:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:57,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:57,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2023-11-21 18:45:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2023-11-21 18:45:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:57,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2023-11-21 18:45:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2023-11-21 18:45:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:58,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:58,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:58,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:58,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 261 transitions. [2023-11-21 18:45:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2023-11-21 18:45:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:58,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:58,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:58,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 140 states and 271 transitions. [2023-11-21 18:45:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 271 transitions. [2023-11-21 18:45:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:45:58,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:58,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:58,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:58,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:45:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 143 states and 274 transitions. [2023-11-21 18:45:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2023-11-21 18:45:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:45:59,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 145 states and 275 transitions. [2023-11-21 18:45:59,442 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2023-11-21 18:45:59,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:45:59,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:45:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 148 states and 278 transitions. [2023-11-21 18:45:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2023-11-21 18:45:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:45:59,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 151 states and 281 transitions. [2023-11-21 18:46:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 281 transitions. [2023-11-21 18:46:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:00,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:00,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:00,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:46:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 282 transitions. [2023-11-21 18:46:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2023-11-21 18:46:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:00,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:00,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:00,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:00,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 156 states and 292 transitions. [2023-11-21 18:46:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 292 transitions. [2023-11-21 18:46:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:01,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:01,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:46:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 159 states and 295 transitions. [2023-11-21 18:46:01,496 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 295 transitions. [2023-11-21 18:46:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:01,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:01,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:46:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 161 states and 296 transitions. [2023-11-21 18:46:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2023-11-21 18:46:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:01,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:01,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:46:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 299 transitions. [2023-11-21 18:46:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 299 transitions. [2023-11-21 18:46:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:02,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:02,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 302 transitions. [2023-11-21 18:46:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 302 transitions. [2023-11-21 18:46:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:02,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:02,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:46:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 169 states and 303 transitions. [2023-11-21 18:46:03,028 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2023-11-21 18:46:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:03,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:03,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:03,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:03,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 172 states and 313 transitions. [2023-11-21 18:46:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 313 transitions. [2023-11-21 18:46:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:03,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:03,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:03,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:46:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 316 transitions. [2023-11-21 18:46:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2023-11-21 18:46:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:04,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:04,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:46:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 177 states and 317 transitions. [2023-11-21 18:46:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 317 transitions. [2023-11-21 18:46:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:04,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:04,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:46:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 180 states and 320 transitions. [2023-11-21 18:46:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 320 transitions. [2023-11-21 18:46:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:04,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:46:04,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 183 states and 323 transitions. [2023-11-21 18:46:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2023-11-21 18:46:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:05,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:05,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:46:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 185 states and 324 transitions. [2023-11-21 18:46:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 324 transitions. [2023-11-21 18:46:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:46:05,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 188 states and 334 transitions. [2023-11-21 18:46:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 334 transitions. [2023-11-21 18:46:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:06,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:06,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:06,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 191 states and 337 transitions. [2023-11-21 18:46:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 337 transitions. [2023-11-21 18:46:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:06,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:06,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:06,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:46:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 193 states and 338 transitions. [2023-11-21 18:46:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 338 transitions. [2023-11-21 18:46:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:07,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:07,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:07,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 196 states and 341 transitions. [2023-11-21 18:46:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 341 transitions. [2023-11-21 18:46:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:07,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:07,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:46:07,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 199 states and 344 transitions. [2023-11-21 18:46:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 344 transitions. [2023-11-21 18:46:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:08,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:08,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:46:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 201 states and 345 transitions. [2023-11-21 18:46:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 345 transitions. [2023-11-21 18:46:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:08,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:46:08,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 204 states and 355 transitions. [2023-11-21 18:46:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 355 transitions. [2023-11-21 18:46:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:09,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:09,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:46:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 358 transitions. [2023-11-21 18:46:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 358 transitions. [2023-11-21 18:46:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:09,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:09,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:46:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 209 states and 359 transitions. [2023-11-21 18:46:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 359 transitions. [2023-11-21 18:46:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:09,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:09,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:46:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 212 states and 362 transitions. [2023-11-21 18:46:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 362 transitions. [2023-11-21 18:46:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:10,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:10,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:10,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:46:10,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 215 states and 365 transitions. [2023-11-21 18:46:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 365 transitions. [2023-11-21 18:46:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:11,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:11,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:11,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:46:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 217 states and 366 transitions. [2023-11-21 18:46:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2023-11-21 18:46:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:11,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:11,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:11,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:46:11,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 220 states and 376 transitions. [2023-11-21 18:46:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 376 transitions. [2023-11-21 18:46:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:12,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:12,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:12,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:46:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 223 states and 379 transitions. [2023-11-21 18:46:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 379 transitions. [2023-11-21 18:46:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:12,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:12,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:12,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:46:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2023-11-21 18:46:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2023-11-21 18:46:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:13,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:13,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:46:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 228 states and 383 transitions. [2023-11-21 18:46:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2023-11-21 18:46:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:13,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:46:13,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 231 states and 386 transitions. [2023-11-21 18:46:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 386 transitions. [2023-11-21 18:46:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:14,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:14,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:14,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:14,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:46:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 233 states and 387 transitions. [2023-11-21 18:46:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 387 transitions. [2023-11-21 18:46:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:14,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:14,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:14,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:46:14,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 236 states and 397 transitions. [2023-11-21 18:46:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 397 transitions. [2023-11-21 18:46:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:46:15,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:15,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:15,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:46:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 239 states and 400 transitions. [2023-11-21 18:46:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 400 transitions. [2023-11-21 18:46:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:46:16,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:16,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:16,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:16,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:46:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 241 states and 401 transitions. [2023-11-21 18:46:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 401 transitions. [2023-11-21 18:46:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:16,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:16,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:16,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:16,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:46:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 244 states and 404 transitions. [2023-11-21 18:46:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 404 transitions. [2023-11-21 18:46:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:16,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:16,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:16,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:46:16,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 247 states and 407 transitions. [2023-11-21 18:46:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 407 transitions. [2023-11-21 18:46:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:17,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:17,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:17,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:17,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:46:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 249 states and 408 transitions. [2023-11-21 18:46:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 408 transitions. [2023-11-21 18:46:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:18,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:18,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:18,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:46:18,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 252 states and 418 transitions. [2023-11-21 18:46:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 418 transitions. [2023-11-21 18:46:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:46:19,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:19,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:19,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:46:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 255 states and 421 transitions. [2023-11-21 18:46:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 421 transitions. [2023-11-21 18:46:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:46:19,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:19,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:19,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:46:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 257 states and 422 transitions. [2023-11-21 18:46:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 422 transitions. [2023-11-21 18:46:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:19,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:20,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:46:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 260 states and 425 transitions. [2023-11-21 18:46:20,488 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2023-11-21 18:46:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:20,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:46:20,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 263 states and 428 transitions. [2023-11-21 18:46:21,542 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 428 transitions. [2023-11-21 18:46:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:21,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:21,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:46:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 265 states and 429 transitions. [2023-11-21 18:46:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 429 transitions. [2023-11-21 18:46:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:21,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:46:21,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 268 states and 439 transitions. [2023-11-21 18:46:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 439 transitions. [2023-11-21 18:46:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:46:22,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:22,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:22,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:46:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 271 states and 442 transitions. [2023-11-21 18:46:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 442 transitions. [2023-11-21 18:46:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:46:23,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:23,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:23,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:46:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 273 states and 443 transitions. [2023-11-21 18:46:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 443 transitions. [2023-11-21 18:46:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:23,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:24,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:46:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 276 states and 446 transitions. [2023-11-21 18:46:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 446 transitions. [2023-11-21 18:46:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:24,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:24,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 279 states and 449 transitions. [2023-11-21 18:46:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 449 transitions. [2023-11-21 18:46:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:25,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:25,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:46:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 281 states and 450 transitions. [2023-11-21 18:46:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 450 transitions. [2023-11-21 18:46:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:25,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:25,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 284 states and 460 transitions. [2023-11-21 18:46:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 460 transitions. [2023-11-21 18:46:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:46:26,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:26,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:26,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:46:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 287 states and 463 transitions. [2023-11-21 18:46:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 463 transitions. [2023-11-21 18:46:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:46:27,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:27,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:46:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 289 states and 464 transitions. [2023-11-21 18:46:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 464 transitions. [2023-11-21 18:46:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:46:27,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:28,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:46:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 292 states and 467 transitions. [2023-11-21 18:46:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 467 transitions. [2023-11-21 18:46:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:46:28,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:46:28,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 295 states and 470 transitions. [2023-11-21 18:46:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 470 transitions. [2023-11-21 18:46:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:46:29,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:29,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:46:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 297 states and 471 transitions. [2023-11-21 18:46:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 471 transitions. [2023-11-21 18:46:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:46:30,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:30,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:46:30,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 300 states and 481 transitions. [2023-11-21 18:46:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 481 transitions. [2023-11-21 18:46:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:31,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:46:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 303 states and 484 transitions. [2023-11-21 18:46:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 484 transitions. [2023-11-21 18:46:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:31,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:46:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 305 states and 485 transitions. [2023-11-21 18:46:32,385 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 485 transitions. [2023-11-21 18:46:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:32,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:46:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 308 states and 488 transitions. [2023-11-21 18:46:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 488 transitions. [2023-11-21 18:46:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:33,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 311 states and 491 transitions. [2023-11-21 18:46:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 491 transitions. [2023-11-21 18:46:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:34,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:46:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 313 states and 492 transitions. [2023-11-21 18:46:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 492 transitions. [2023-11-21 18:46:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:34,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 316 states and 502 transitions. [2023-11-21 18:46:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 502 transitions. [2023-11-21 18:46:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:46:35,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:46:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 319 states and 505 transitions. [2023-11-21 18:46:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 505 transitions. [2023-11-21 18:46:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:46:36,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:46:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 321 states and 506 transitions. [2023-11-21 18:46:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 506 transitions. [2023-11-21 18:46:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:46:37,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked.