./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/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_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:56,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:56,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:01:56,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:56,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:56,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:56,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:56,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:56,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:56,222 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:56,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:56,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:56,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:56,226 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:01:56,226 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:01:56,227 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:01:56,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:56,227 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:56,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:56,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:56,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:56,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:56,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:56,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:56,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:56,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:56,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:56,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:56,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:56,234 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_c8a21ef4-c804-40a7-885f-ce59bf9670bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc [2023-11-19 04:01:56,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:56,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:56,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:56,569 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:56,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:56,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2023-11-19 04:01:59,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:00,067 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:00,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2023-11-19 04:02:00,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/data/c5888e34f/53cfe751b0e94df28aea8ca1aae26411/FLAGa64f860d5 [2023-11-19 04:02:00,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/data/c5888e34f/53cfe751b0e94df28aea8ca1aae26411 [2023-11-19 04:02:00,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:00,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:00,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:00,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:00,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:00,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1af9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00, skipping insertion in model container [2023-11-19 04:02:00,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:00,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:00,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:00,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:00,637 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:00,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00 WrapperNode [2023-11-19 04:02:00,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:00,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:00,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:00,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:00,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,741 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 174 [2023-11-19 04:02:00,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:00,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:00,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:00,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:00,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:00,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:00,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:00,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:00,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:00" (1/1) ... [2023-11-19 04:02:00,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:00,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:00,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a21ef4-c804-40a7-885f-ce59bf9670bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:02:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:02:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:02:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:02:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:02:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:02:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:01,056 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:01,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:01,620 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:01,694 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:01,695 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:02:01,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:01 BoogieIcfgContainer [2023-11-19 04:02:01,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:01,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:01,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:01,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:01,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:01" (1/1) ... [2023-11-19 04:02:01,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 134 states and 146 transitions. [2023-11-19 04:02:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2023-11-19 04:02:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:01,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,194 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 04:02:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2023-11-19 04:02:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2023-11-19 04:02:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:02,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,438 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 04:02:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 132 states and 144 transitions. [2023-11-19 04:02:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2023-11-19 04:02:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:02,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,593 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 04:02:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2023-11-19 04:02:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2023-11-19 04:02:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:02,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,758 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 04:02:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 130 states and 142 transitions. [2023-11-19 04:02:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 142 transitions. [2023-11-19 04:02:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:02:02,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,867 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 04:02:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 129 states and 141 transitions. [2023-11-19 04:02:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 141 transitions. [2023-11-19 04:02:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:02:02,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,054 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 04:02:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 140 transitions. [2023-11-19 04:02:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2023-11-19 04:02:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:02:03,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,268 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 04:02:03,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 129 states and 142 transitions. [2023-11-19 04:02:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2023-11-19 04:02:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:03,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,678 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 04:02:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 128 states and 141 transitions. [2023-11-19 04:02:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2023-11-19 04:02:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:03,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,875 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 04:02:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 127 states and 140 transitions. [2023-11-19 04:02:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2023-11-19 04:02:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:02:03,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,024 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 04:02:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 126 states and 139 transitions. [2023-11-19 04:02:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2023-11-19 04:02:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:02:04,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 125 states and 138 transitions. [2023-11-19 04:02:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2023-11-19 04:02:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:02:04,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,401 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 04:02:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 124 states and 137 transitions. [2023-11-19 04:02:04,427 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2023-11-19 04:02:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:02:04,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,566 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 04:02:04,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 123 states and 136 transitions. [2023-11-19 04:02:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2023-11-19 04:02:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:02:04,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,826 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 04:02:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 122 states and 135 transitions. [2023-11-19 04:02:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2023-11-19 04:02:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:02:04,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:05,061 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 04:02:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 121 states and 134 transitions. [2023-11-19 04:02:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2023-11-19 04:02:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:05,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:05,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:05,514 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 04:02:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 129 states and 147 transitions. [2023-11-19 04:02:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2023-11-19 04:02:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:06,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,646 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 04:02:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 137 states and 160 transitions. [2023-11-19 04:02:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2023-11-19 04:02:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:02:07,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 143 states and 168 transitions. [2023-11-19 04:02:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-11-19 04:02:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:09,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:09,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 154 states and 197 transitions. [2023-11-19 04:02:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 197 transitions. [2023-11-19 04:02:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:12,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 165 states and 229 transitions. [2023-11-19 04:02:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 229 transitions. [2023-11-19 04:02:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:15,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:15,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 170 states and 244 transitions. [2023-11-19 04:02:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 244 transitions. [2023-11-19 04:02:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:17,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 175 states and 263 transitions. [2023-11-19 04:02:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 263 transitions. [2023-11-19 04:02:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:02:20,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:20,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 174 states and 262 transitions. [2023-11-19 04:02:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 262 transitions. [2023-11-19 04:02:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:02:20,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 173 states and 261 transitions. [2023-11-19 04:02:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-19 04:02:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:21,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2023-11-19 04:02:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2023-11-19 04:02:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:21,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 171 states and 259 transitions. [2023-11-19 04:02:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 259 transitions. [2023-11-19 04:02:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:02:21,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2023-11-19 04:02:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2023-11-19 04:02:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:02:21,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 169 states and 257 transitions. [2023-11-19 04:02:21,558 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2023-11-19 04:02:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:02:21,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 186 states and 300 transitions. [2023-11-19 04:02:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 300 transitions. [2023-11-19 04:02:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:02:29,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2023-11-19 04:02:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2023-11-19 04:02:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:39,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:39,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 211 states and 356 transitions. [2023-11-19 04:02:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 356 transitions. [2023-11-19 04:02:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:42,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 213 states and 360 transitions. [2023-11-19 04:02:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 360 transitions. [2023-11-19 04:02:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:44,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:44,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 215 states and 364 transitions. [2023-11-19 04:02:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 364 transitions. [2023-11-19 04:02:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:46,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:46,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 216 states and 367 transitions. [2023-11-19 04:02:47,129 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 367 transitions. [2023-11-19 04:02:47,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:47,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:47,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 218 states and 372 transitions. [2023-11-19 04:02:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 372 transitions. [2023-11-19 04:02:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:02:48,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.