./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 277634da297b7f9e262585608ed7ad62cca7d59b0122d4e61ee1b4b78256acae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:02,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:02,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:14:02,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:02,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:02,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:02,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:02,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:02,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:02,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:02,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:02,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:02,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:14:02,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:02,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:14:02,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:02,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:02,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:02,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:02,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:14:02,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:14:02,874 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:14:02,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:02,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:02,878 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:02,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:02,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:02,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:02,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:02,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:02,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:02,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:02,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:02,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:02,883 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:02,883 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_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 277634da297b7f9e262585608ed7ad62cca7d59b0122d4e61ee1b4b78256acae [2023-11-23 20:14:03,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:03,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:03,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:03,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:03,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:03,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2023-11-23 20:14:06,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:06,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:06,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2023-11-23 20:14:06,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/data/38a6cb1af/4f3d4f9bfd1f44bb9a13ae8d26b56491/FLAG1b8cc4969 [2023-11-23 20:14:06,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/data/38a6cb1af/4f3d4f9bfd1f44bb9a13ae8d26b56491 [2023-11-23 20:14:06,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:06,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:06,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:06,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:06,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:06,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:06" (1/1) ... [2023-11-23 20:14:06,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f1def5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:06, skipping insertion in model container [2023-11-23 20:14:06,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:06" (1/1) ... [2023-11-23 20:14:06,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:07,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:07,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:07,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:07,407 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:07,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07 WrapperNode [2023-11-23 20:14:07,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:07,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:07,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:07,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:07,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,494 INFO L138 Inliner]: procedures = 127, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-23 20:14:07,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:07,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:07,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:07,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:07,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:07,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:07,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:07,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:07,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:07,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:07,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eef82127-2a22-4656-b3dc-28f7a995fe23/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:14:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:14:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-23 20:14:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-23 20:14:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:14:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:14:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:14:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:14:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:14:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:14:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:14:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:07,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:07,802 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:08,063 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:14:08,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:14:08,135 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:14:08,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:08 BoogieIcfgContainer [2023-11-23 20:14:08,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:14:08,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:14:08,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:14:08,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:14:08,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:08" (1/1) ... [2023-11-23 20:14:08,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:14:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-23 20:14:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-23 20:14:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:14:08,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:14:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-23 20:14:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-23 20:14:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:14:08,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:14:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-23 20:14:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-23 20:14:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:14:09,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:14:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 43 transitions. [2023-11-23 20:14:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-23 20:14:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:14:09,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:14:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 41 transitions. [2023-11-23 20:14:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-23 20:14:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:14:10,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:14:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 41 transitions. [2023-11-23 20:14:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:14:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:14:10,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:10,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 45 transitions. [2023-11-23 20:14:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-23 20:14:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:14:11,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 46 transitions. [2023-11-23 20:14:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-23 20:14:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:14:11,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 53 transitions. [2023-11-23 20:14:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-23 20:14:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:14:11,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 55 transitions. [2023-11-23 20:14:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2023-11-23 20:14:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:14:11,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 20:14:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:12,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 58 transitions. [2023-11-23 20:14:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-23 20:14:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:14:12,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 65 transitions. [2023-11-23 20:14:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-23 20:14:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:14:12,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 51 states and 73 transitions. [2023-11-23 20:14:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2023-11-23 20:14:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:14:13,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:13,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:14:14,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 77 transitions. [2023-11-23 20:14:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2023-11-23 20:14:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:14:14,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 77 transitions. [2023-11-23 20:14:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2023-11-23 20:14:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:14:14,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 85 transitions. [2023-11-23 20:14:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-23 20:14:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:14:15,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:15,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:14:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 88 transitions. [2023-11-23 20:14:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-11-23 20:14:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:14:15,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 96 transitions. [2023-11-23 20:14:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2023-11-23 20:14:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:14:16,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 20:14:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 99 transitions. [2023-11-23 20:14:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2023-11-23 20:14:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:14:17,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 107 transitions. [2023-11-23 20:14:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2023-11-23 20:14:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:14:18,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-23 20:14:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 76 states and 110 transitions. [2023-11-23 20:14:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2023-11-23 20:14:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:14:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 80 states and 118 transitions. [2023-11-23 20:14:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-23 20:14:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:14:19,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-23 20:14:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 83 states and 121 transitions. [2023-11-23 20:14:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2023-11-23 20:14:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:14:20,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 129 transitions. [2023-11-23 20:14:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-23 20:14:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:14:21,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-23 20:14:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 90 states and 132 transitions. [2023-11-23 20:14:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-11-23 20:14:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:14:22,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 94 states and 140 transitions. [2023-11-23 20:14:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2023-11-23 20:14:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:14:23,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-23 20:14:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 143 transitions. [2023-11-23 20:14:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2023-11-23 20:14:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:14:24,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:24,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 151 transitions. [2023-11-23 20:14:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2023-11-23 20:14:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:14:25,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-23 20:14:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 104 states and 154 transitions. [2023-11-23 20:14:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-23 20:14:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:14:26,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 108 states and 162 transitions. [2023-11-23 20:14:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 162 transitions. [2023-11-23 20:14:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:14:27,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-11-23 20:14:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 165 transitions. [2023-11-23 20:14:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2023-11-23 20:14:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:14:28,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:28,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 173 transitions. [2023-11-23 20:14:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2023-11-23 20:14:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:14:29,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 20:14:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 176 transitions. [2023-11-23 20:14:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2023-11-23 20:14:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:14:30,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 184 transitions. [2023-11-23 20:14:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 184 transitions. [2023-11-23 20:14:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:14:32,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:32,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 20:14:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 125 states and 187 transitions. [2023-11-23 20:14:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2023-11-23 20:14:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:14:33,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 129 states and 195 transitions. [2023-11-23 20:14:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 195 transitions. [2023-11-23 20:14:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:14:34,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:34,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 20:14:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 198 transitions. [2023-11-23 20:14:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 198 transitions. [2023-11-23 20:14:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:14:35,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 206 transitions. [2023-11-23 20:14:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2023-11-23 20:14:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:14:37,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-11-23 20:14:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 139 states and 209 transitions. [2023-11-23 20:14:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 209 transitions. [2023-11-23 20:14:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:14:38,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 217 transitions. [2023-11-23 20:14:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2023-11-23 20:14:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:14:40,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:40,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-23 20:14:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 146 states and 220 transitions. [2023-11-23 20:14:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-23 20:14:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:14:40,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 150 states and 228 transitions. [2023-11-23 20:14:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-11-23 20:14:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:14:42,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-11-23 20:14:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 231 transitions. [2023-11-23 20:14:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 231 transitions. [2023-11-23 20:14:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:14:43,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 239 transitions. [2023-11-23 20:14:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 239 transitions. [2023-11-23 20:14:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 20:14:45,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2023-11-23 20:14:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 160 states and 242 transitions. [2023-11-23 20:14:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2023-11-23 20:14:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 20:14:46,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:46,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 164 states and 250 transitions. [2023-11-23 20:14:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2023-11-23 20:14:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 20:14:48,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2023-11-23 20:14:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 167 states and 253 transitions. [2023-11-23 20:14:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2023-11-23 20:14:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:14:49,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:49,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.