./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi --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 b32326f1b997cecaa031e8ab338eea5ffa634c465fc73ccabccfc7d02b1e5cc1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:02,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:02,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:17:02,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:02,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:02,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:02,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:02,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:02,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:02,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:02,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:02,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:02,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:02,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:02,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:02,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:02,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:02,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:02,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:02,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:17:02,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:02,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:02,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:02,898 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:02,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:02,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:02,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:02,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:02,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:02,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:02,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:02,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:02,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:02,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:02,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:02,903 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_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32326f1b997cecaa031e8ab338eea5ffa634c465fc73ccabccfc7d02b1e5cc1 [2023-11-24 22:17:03,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:03,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:03,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:03,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:03,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:03,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2023-11-24 22:17:06,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:06,850 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:06,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2023-11-24 22:17:06,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/data/377888167/50bfc1578ade4f1aaff3d54890927cd3/FLAGee5ae889b [2023-11-24 22:17:07,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/data/377888167/50bfc1578ade4f1aaff3d54890927cd3 [2023-11-24 22:17:07,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:07,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:07,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:07,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:07,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:07,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab43224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07, skipping insertion in model container [2023-11-24 22:17:07,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:07,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:07,426 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:07,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:07,460 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:07,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07 WrapperNode [2023-11-24 22:17:07,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:07,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:07,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:07,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:07,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,502 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-11-24 22:17:07,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:07,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:07,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:07,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:07,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:07,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:07,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:07,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:07,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:07,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:07,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f36338-f4f6-4416-98aa-563dc0083652/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-24 22:17:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-24 22:17:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:07,747 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:07,750 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:07,929 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:07,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:07,966 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:17:07,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07 BoogieIcfgContainer [2023-11-24 22:17:07,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:07,969 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:07,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:07,982 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:07,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2023-11-24 22:17:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-11-24 22:17:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:17:08,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 30 transitions. [2023-11-24 22:17:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-11-24 22:17:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:17:08,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 29 transitions. [2023-11-24 22:17:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-24 22:17:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:08,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 34 transitions. [2023-11-24 22:17:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-24 22:17:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:09,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-11-24 22:17:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-24 22:17:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:17:10,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 43 transitions. [2023-11-24 22:17:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-24 22:17:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:10,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 53 transitions. [2023-11-24 22:17:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-24 22:17:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:10,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 57 transitions. [2023-11-24 22:17:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-24 22:17:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:10,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 68 transitions. [2023-11-24 22:17:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-24 22:17:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:11,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 79 transitions. [2023-11-24 22:17:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-24 22:17:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:13,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 93 transitions. [2023-11-24 22:17:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-24 22:17:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:14,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 97 transitions. [2023-11-24 22:17:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2023-11-24 22:17:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:17:14,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 101 transitions. [2023-11-24 22:17:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-11-24 22:17:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 116 transitions. [2023-11-24 22:17:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-11-24 22:17:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:17:16,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 131 transitions. [2023-11-24 22:17:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2023-11-24 22:17:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:17:17,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 134 transitions. [2023-11-24 22:17:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-24 22:17:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:17:18,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 137 transitions. [2023-11-24 22:17:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-24 22:17:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:17:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 154 transitions. [2023-11-24 22:17:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2023-11-24 22:17:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:17:20,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 171 transitions. [2023-11-24 22:17:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2023-11-24 22:17:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:17:21,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 113 states and 174 transitions. [2023-11-24 22:17:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 174 transitions. [2023-11-24 22:17:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:17:22,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 177 transitions. [2023-11-24 22:17:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2023-11-24 22:17:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:17:23,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 123 states and 196 transitions. [2023-11-24 22:17:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 196 transitions. [2023-11-24 22:17:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:17:25,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 215 transitions. [2023-11-24 22:17:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 215 transitions. [2023-11-24 22:17:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:17:26,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 218 transitions. [2023-11-24 22:17:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2023-11-24 22:17:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:17:27,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 62 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 221 transitions. [2023-11-24 22:17:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2023-11-24 22:17:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:29,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:29,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 242 transitions. [2023-11-24 22:17:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 242 transitions. [2023-11-24 22:17:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:31,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 151 states and 263 transitions. [2023-11-24 22:17:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2023-11-24 22:17:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:17:32,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:32,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 266 transitions. [2023-11-24 22:17:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2023-11-24 22:17:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:17:34,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:34,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 95 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 269 transitions. [2023-11-24 22:17:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 269 transitions. [2023-11-24 22:17:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:17:35,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:35,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 165 states and 292 transitions. [2023-11-24 22:17:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2023-11-24 22:17:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:37,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 172 states and 315 transitions. [2023-11-24 22:17:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2023-11-24 22:17:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:39,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 176 states and 318 transitions. [2023-11-24 22:17:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2023-11-24 22:17:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:17:40,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 135 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 321 transitions. [2023-11-24 22:17:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2023-11-24 22:17:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:17:42,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:42,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 186 states and 346 transitions. [2023-11-24 22:17:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 346 transitions. [2023-11-24 22:17:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:17:45,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 193 states and 371 transitions. [2023-11-24 22:17:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 371 transitions. [2023-11-24 22:17:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:17:47,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:47,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 197 states and 374 transitions. [2023-11-24 22:17:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 374 transitions. [2023-11-24 22:17:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:17:48,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:48,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 182 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 377 transitions. [2023-11-24 22:17:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 377 transitions. [2023-11-24 22:17:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:17:50,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 207 states and 404 transitions. [2023-11-24 22:17:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 404 transitions. [2023-11-24 22:17:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:17:53,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 214 states and 431 transitions. [2023-11-24 22:17:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 431 transitions. [2023-11-24 22:17:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:17:55,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:55,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat