./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Primes.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:51,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:51,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:27:51,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:51,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:51,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:51,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:51,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:51,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:51,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:51,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:51,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:51,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:51,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:51,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:51,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:51,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:51,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:51,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:51,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:51,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:51,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:51,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:51,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:51,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:51,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:51,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:51,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:51,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:51,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:51,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:51,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:51,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:51,534 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_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2023-11-19 03:27:51,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:51,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:51,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:51,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:51,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:51,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive/Primes.c [2023-11-19 03:27:55,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:55,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:55,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/sv-benchmarks/c/recursive/Primes.c [2023-11-19 03:27:55,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/data/d2216f43b/d104de60ab044d98a5b40b79a191cf58/FLAGbda767e0c [2023-11-19 03:27:55,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/data/d2216f43b/d104de60ab044d98a5b40b79a191cf58 [2023-11-19 03:27:55,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:55,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:55,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:55,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:55,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:55,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:55,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7476ae3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55, skipping insertion in model container [2023-11-19 03:27:55,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:55,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:55,906 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2023-11-19 03:27:55,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:55,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:55,947 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2023-11-19 03:27:55,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:55,966 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:55,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55 WrapperNode [2023-11-19 03:27:55,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:55,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:55,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:55,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:55,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:55,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,010 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-11-19 03:27:56,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:56,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:56,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:56,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:56,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:56,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:56,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:56,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:56,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:56,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:56,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:56,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba40d98e-37c1-4329-9517-ebecfa541a6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2023-11-19 03:27:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2023-11-19 03:27:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2023-11-19 03:27:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2023-11-19 03:27:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2023-11-19 03:27:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2023-11-19 03:27:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:56,247 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:56,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:56,679 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:56,707 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:56,716 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:56,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:56 BoogieIcfgContainer [2023-11-19 03:27:56,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:56,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:56,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:56,737 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:56,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:56" (1/1) ... [2023-11-19 03:27:56,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-11-19 03:27:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-19 03:27:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:27:56,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:56,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2023-11-19 03:27:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-19 03:27:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:27:57,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2023-11-19 03:27:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2023-11-19 03:27:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:27:57,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 90 transitions. [2023-11-19 03:27:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2023-11-19 03:27:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:27:58,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:58,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:59,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 63 states and 99 transitions. [2023-11-19 03:27:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2023-11-19 03:27:59,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:27:59,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:59,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:27:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 99 transitions. [2023-11-19 03:27:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-11-19 03:27:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:27:59,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:59,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:28:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 132 transitions. [2023-11-19 03:28:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2023-11-19 03:28:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:28:02,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:02,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:28:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 129 transitions. [2023-11-19 03:28:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2023-11-19 03:28:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:28:03,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:03,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:28:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 128 transitions. [2023-11-19 03:28:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2023-11-19 03:28:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:28:03,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:03,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 134 transitions. [2023-11-19 03:28:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-11-19 03:28:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:28:05,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:05,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 79 states and 133 transitions. [2023-11-19 03:28:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2023-11-19 03:28:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:28:05,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:05,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 91 states and 170 transitions. [2023-11-19 03:28:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 170 transitions. [2023-11-19 03:28:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:12,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 93 states and 173 transitions. [2023-11-19 03:28:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2023-11-19 03:28:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:28:16,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:28:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 99 states and 205 transitions. [2023-11-19 03:28:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 205 transitions. [2023-11-19 03:28:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:28:21,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:21,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 100 states and 208 transitions. [2023-11-19 03:28:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2023-11-19 03:28:23,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:28:23,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:28:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 102 states and 215 transitions. [2023-11-19 03:28:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 215 transitions. [2023-11-19 03:28:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:28:24,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:28:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 106 states and 234 transitions. [2023-11-19 03:28:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 234 transitions. [2023-11-19 03:28:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:28:28,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:28:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 108 states and 243 transitions. [2023-11-19 03:28:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 243 transitions. [2023-11-19 03:28:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:28:29,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:28:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 109 states and 246 transitions. [2023-11-19 03:28:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 246 transitions. [2023-11-19 03:28:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:28:31,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:31,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:28:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 110 states and 248 transitions. [2023-11-19 03:28:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 248 transitions. [2023-11-19 03:28:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:28:32,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:28:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 114 states and 257 transitions. [2023-11-19 03:28:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 257 transitions. [2023-11-19 03:28:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:28:33,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:28:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 115 states and 257 transitions. [2023-11-19 03:28:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 257 transitions. [2023-11-19 03:28:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:28:34,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 03:28:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 118 states and 270 transitions. [2023-11-19 03:28:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 270 transitions. [2023-11-19 03:28:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:28:36,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:28:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 122 states and 293 transitions. [2023-11-19 03:28:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 293 transitions. [2023-11-19 03:28:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:28:40,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:40,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:28:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 122 states and 291 transitions. [2023-11-19 03:28:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 291 transitions. [2023-11-19 03:28:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:28:41,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.