./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/dll-lst-shared.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/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_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/dll-lst-shared.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/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 64bit --witnessprinter.graph.data.programhash 6f8708414d69d58e69308ef3f6436b82a3a2ac306b0f68b7007fd3139e12ef15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:34:36,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:36,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:34:36,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:34:36,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:34:36,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:36,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:36,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:36,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:36,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:36,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:36,263 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:34:36,263 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:34:36,264 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:34:36,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:36,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:34:36,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:36,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:36,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:36,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:36,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:36,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:36,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:36,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:36,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:34:36,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:34:36,271 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_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8708414d69d58e69308ef3f6436b82a3a2ac306b0f68b7007fd3139e12ef15 [2023-11-19 02:34:36,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:36,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:36,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:36,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:36,555 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:36,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-broom/dll-lst-shared.i [2023-11-19 02:34:39,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:39,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:39,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/sv-benchmarks/c/memsafety-broom/dll-lst-shared.i [2023-11-19 02:34:39,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/data/e6780171b/857dd88220b7402bae6596274ff5ff26/FLAG5c6af3245 [2023-11-19 02:34:39,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/data/e6780171b/857dd88220b7402bae6596274ff5ff26 [2023-11-19 02:34:39,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:40,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:40,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:40,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:40,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:40,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:39" (1/1) ... [2023-11-19 02:34:40,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8dfe37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40, skipping insertion in model container [2023-11-19 02:34:40,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:39" (1/1) ... [2023-11-19 02:34:40,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:40,277 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:34:40,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:40,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:40,414 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:34:40,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:40,471 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:40,479 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:40,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40 WrapperNode [2023-11-19 02:34:40,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:40,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:40,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:40,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:40,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,548 INFO L138 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2023-11-19 02:34:40,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:40,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:40,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:40,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:40,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:40,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:40,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:40,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:40,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:40" (1/1) ... [2023-11-19 02:34:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:40,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:40,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:40,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fed6fcd3-a81b-442d-b9cc-28d7a2dddf6e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:34:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:34:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:34:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:34:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:34:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:40,771 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:40,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:41,128 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:41,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:41,237 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:34:41,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:41 BoogieIcfgContainer [2023-11-19 02:34:41,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:41,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:41,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:41,253 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:41,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:41" (1/1) ... [2023-11-19 02:34:41,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:34:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-19 02:34:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-19 02:34:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:34:41,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:41,486 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 02:34:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2023-11-19 02:34:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-19 02:34:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:34:41,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:41,659 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 02:34:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2023-11-19 02:34:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2023-11-19 02:34:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:34:41,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:41,840 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 02:34:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-19 02:34:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-19 02:34:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:34:41,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:41,944 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 02:34:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2023-11-19 02:34:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2023-11-19 02:34:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:34:41,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:42,044 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 02:34:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:42,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2023-11-19 02:34:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-19 02:34:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:34:42,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:42,211 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 02:34:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2023-11-19 02:34:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-19 02:34:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:34:42,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:42,580 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 02:34:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2023-11-19 02:34:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-19 02:34:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:34:42,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:42,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:43,007 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 02:34:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2023-11-19 02:34:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-11-19 02:34:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:34:43,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:43,496 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 02:34:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-11-19 02:34:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-11-19 02:34:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:34:43,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:43,623 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 02:34:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-19 02:34:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-19 02:34:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:34:43,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:43,693 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 02:34:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-19 02:34:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-19 02:34:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:34:43,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:43,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:43,861 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 02:34:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-19 02:34:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-19 02:34:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:34:43,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:44,063 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 02:34:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2023-11-19 02:34:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2023-11-19 02:34:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:34:44,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:44,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:44,864 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 02:34:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2023-11-19 02:34:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-19 02:34:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:34:45,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:46,103 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 02:34:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 73 states and 88 transitions. [2023-11-19 02:34:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2023-11-19 02:34:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:34:46,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:47,042 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 02:34:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 78 states and 99 transitions. [2023-11-19 02:34:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2023-11-19 02:34:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:34:48,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:48,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:48,790 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 02:34:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2023-11-19 02:34:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-11-19 02:34:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:34:50,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:51,026 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 02:34:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2023-11-19 02:34:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2023-11-19 02:34:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:34:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:51,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:52,452 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 02:34:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2023-11-19 02:34:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2023-11-19 02:34:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:34:54,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:54,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:54,903 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 02:34:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 90 states and 130 transitions. [2023-11-19 02:34:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-19 02:34:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:34:54,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:54,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:55,173 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 02:34:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2023-11-19 02:34:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-19 02:34:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:34:55,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:55,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:56,117 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 02:34:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2023-11-19 02:34:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2023-11-19 02:34:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:34:57,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:57,663 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 02:34:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 140 transitions. [2023-11-19 02:34:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2023-11-19 02:34:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:34:59,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:59,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2023-11-19 02:34:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2023-11-19 02:34:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:34:59,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 95 states and 138 transitions. [2023-11-19 02:35:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-19 02:35:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:00,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:00,376 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 02:35:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 96 states and 140 transitions. [2023-11-19 02:35:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2023-11-19 02:35:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:00,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:00,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:00,835 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 02:35:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 98 states and 143 transitions. [2023-11-19 02:35:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2023-11-19 02:35:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:01,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 104 states and 158 transitions. [2023-11-19 02:35:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2023-11-19 02:35:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:08,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:08,929 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 02:35:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 110 states and 176 transitions. [2023-11-19 02:35:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2023-11-19 02:35:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:11,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:11,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:12,733 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 02:35:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 198 transitions. [2023-11-19 02:35:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2023-11-19 02:35:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:17,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:17,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2023-11-19 02:35:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2023-11-19 02:35:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:20,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:20,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:21,578 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 02:35:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 124 states and 213 transitions. [2023-11-19 02:35:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2023-11-19 02:35:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:25,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:27,225 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 02:35:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 218 transitions. [2023-11-19 02:35:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2023-11-19 02:35:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:35:30,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:30,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.