./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/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_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/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_0f165caa-2447-4ade-b18b-529ee342bbcc/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 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:50,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:50,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:16:51,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:51,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:51,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:51,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:51,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:51,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:51,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:51,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:51,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:51,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:16:51,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:51,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:16:51,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:51,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:51,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:51,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:51,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:51,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:51,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:16:51,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:51,067 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:51,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:51,068 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:51,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:51,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:51,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:51,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:51,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:51,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:51,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:51,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:51,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:51,072 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_0f165caa-2447-4ade-b18b-529ee342bbcc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2023-11-23 20:16:51,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:51,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:51,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:51,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:51,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:51,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2023-11-23 20:16:54,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:55,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:55,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/sv-benchmarks/c/list-ext-properties/simple-ext.i [2023-11-23 20:16:55,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/data/dd1522f81/a5c87e689d894756b1d94a3265a98d63/FLAGf7e0a7dc3 [2023-11-23 20:16:55,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/data/dd1522f81/a5c87e689d894756b1d94a3265a98d63 [2023-11-23 20:16:55,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:55,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:55,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:55,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:55,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:55,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277df50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55, skipping insertion in model container [2023-11-23 20:16:55,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:55,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:55,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:55,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:55,873 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:55,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55 WrapperNode [2023-11-23 20:16:55,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:55,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:55,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:55,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:55,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,935 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-23 20:16:55,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:55,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:55,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:55,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:55,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:55,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:55,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:55,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:55,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:55" (1/1) ... [2023-11-23 20:16:55,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:56,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:56,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f165caa-2447-4ade-b18b-529ee342bbcc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-23 20:16:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-23 20:16:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:16:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:16:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:16:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:16:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:16:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:16:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:16:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:16:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:56,180 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:56,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:56,314 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-23 20:16:56,616 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:56,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:56,677 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:16:56,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:56 BoogieIcfgContainer [2023-11-23 20:16:56,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:56,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:56,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:56,696 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:56,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:56" (1/1) ... [2023-11-23 20:16:56,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-23 20:16:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-23 20:16:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:16:56,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:56,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:56,956 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 20:16:57,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-23 20:16:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-23 20:16:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:57,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,227 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 20:16:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-23 20:16:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-23 20:16:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:57,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,414 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 20:16:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-23 20:16:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-23 20:16:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:16:57,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,606 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 20:16:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-23 20:16:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-23 20:16:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:16:57,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,697 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 20:16:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2023-11-23 20:16:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2023-11-23 20:16:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:57,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-23 20:16:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-23 20:16:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:16:58,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2023-11-23 20:16:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:16:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:58,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-23 20:16:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-23 20:16:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:58,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2023-11-23 20:16:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2023-11-23 20:16:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:58,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-23 20:16:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-23 20:16:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:59,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-23 20:16:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-23 20:16:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:16:59,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-23 20:16:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-23 20:16:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:59,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2023-11-23 20:17:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-23 20:17:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2023-11-23 20:17:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-23 20:17:00,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:00,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2023-11-23 20:17:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-11-23 20:17:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:00,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-11-23 20:17:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-23 20:17:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:17:01,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:01,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-23 20:17:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-23 20:17:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:17:01,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:01,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2023-11-23 20:17:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-23 20:17:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:17:02,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:02,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-23 20:17:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-23 20:17:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:17:02,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2023-11-23 20:17:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-23 20:17:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:17:03,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2023-11-23 20:17:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2023-11-23 20:17:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:17:04,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:04,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2023-11-23 20:17:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2023-11-23 20:17:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:04,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 84 states and 109 transitions. [2023-11-23 20:17:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-23 20:17:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:05,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:05,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 90 states and 117 transitions. [2023-11-23 20:17:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2023-11-23 20:17:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:06,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2023-11-23 20:17:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-11-23 20:17:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:17:07,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 96 states and 125 transitions. [2023-11-23 20:17:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2023-11-23 20:17:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:17:08,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:08,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 102 states and 133 transitions. [2023-11-23 20:17:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2023-11-23 20:17:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:17:09,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 105 states and 137 transitions. [2023-11-23 20:17:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2023-11-23 20:17:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:17:10,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:10,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 108 states and 141 transitions. [2023-11-23 20:17:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 141 transitions. [2023-11-23 20:17:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:17:11,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:11,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 114 states and 149 transitions. [2023-11-23 20:17:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2023-11-23 20:17:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:17:12,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 117 states and 153 transitions. [2023-11-23 20:17:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 153 transitions. [2023-11-23 20:17:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:17:13,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 120 states and 157 transitions. [2023-11-23 20:17:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 157 transitions. [2023-11-23 20:17:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:17:14,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 126 states and 165 transitions. [2023-11-23 20:17:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-11-23 20:17:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:17:15,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 129 states and 169 transitions. [2023-11-23 20:17:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 169 transitions. [2023-11-23 20:17:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:17:16,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 132 states and 173 transitions. [2023-11-23 20:17:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 173 transitions. [2023-11-23 20:17:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:17:17,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 138 states and 181 transitions. [2023-11-23 20:17:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 181 transitions. [2023-11-23 20:17:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:17:19,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 141 states and 185 transitions. [2023-11-23 20:17:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2023-11-23 20:17:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:17:20,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2023-11-23 20:17:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2023-11-23 20:17:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:17:22,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 150 states and 197 transitions. [2023-11-23 20:17:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2023-11-23 20:17:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:17:23,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:23,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 153 states and 201 transitions. [2023-11-23 20:17:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2023-11-23 20:17:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:17:24,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:24,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 156 states and 205 transitions. [2023-11-23 20:17:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2023-11-23 20:17:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:17:26,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 162 states and 213 transitions. [2023-11-23 20:17:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2023-11-23 20:17:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:17:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 165 states and 217 transitions. [2023-11-23 20:17:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 217 transitions. [2023-11-23 20:17:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:17:29,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 168 states and 221 transitions. [2023-11-23 20:17:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 221 transitions. [2023-11-23 20:17:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:17:30,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:30,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 174 states and 229 transitions. [2023-11-23 20:17:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions. [2023-11-23 20:17:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:17:32,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:32,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 177 states and 233 transitions. [2023-11-23 20:17:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 233 transitions. [2023-11-23 20:17:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:17:33,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:33,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 180 states and 237 transitions. [2023-11-23 20:17:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 237 transitions. [2023-11-23 20:17:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:17:35,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:35,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat