./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi --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 984b98704a5c552140b31fb9b33d22f480fc6f6474a55a56d1d3baa7cc034abe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:12,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:12,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:02:12,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:12,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:12,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:12,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:12,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:12,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:12,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:12,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:12,287 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:12,288 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:12,289 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:12,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:12,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:12,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:12,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:12,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:12,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:12,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:12,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:12,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:12,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:12,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:12,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:12,296 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_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 984b98704a5c552140b31fb9b33d22f480fc6f6474a55a56d1d3baa7cc034abe [2023-11-24 23:02:12,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:12,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:12,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:12,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:12,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:12,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2023-11-24 23:02:15,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:16,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:16,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2023-11-24 23:02:16,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/data/99cf05208/aca519b6a0f64631b257c452cd0ba3a4/FLAG6a1f0d4ce [2023-11-24 23:02:16,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/data/99cf05208/aca519b6a0f64631b257c452cd0ba3a4 [2023-11-24 23:02:16,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:16,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:16,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:16,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:16,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:16,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7686afb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16, skipping insertion in model container [2023-11-24 23:02:16,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:17,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:17,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:18,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:18,198 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:18,210 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:18,211 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:18,218 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:18,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18 WrapperNode [2023-11-24 23:02:18,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:18,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:18,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:18,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:18,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,364 INFO L138 Inliner]: procedures = 600, calls = 182, calls flagged for inlining = 32, calls inlined = 24, statements flattened = 611 [2023-11-24 23:02:18,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:18,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:18,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:18,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:18,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:18,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:18,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:18,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:18,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:18,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:18,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:18,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4260c7-b43e-4f6f-917a-6c86eb505328/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 23:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 23:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-24 23:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:18,995 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:18,998 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:20,022 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:20,232 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:20,232 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-24 23:02:20,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:20 BoogieIcfgContainer [2023-11-24 23:02:20,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:20,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:20,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:20,245 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:20,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:20,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 327 states and 366 transitions. [2023-11-24 23:02:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 366 transitions. [2023-11-24 23:02:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:02:20,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:20,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 326 states and 365 transitions. [2023-11-24 23:02:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 365 transitions. [2023-11-24 23:02:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:02:20,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:20,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 325 states and 364 transitions. [2023-11-24 23:02:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2023-11-24 23:02:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:21,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 326 states and 366 transitions. [2023-11-24 23:02:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2023-11-24 23:02:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:21,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 327 states and 368 transitions. [2023-11-24 23:02:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 368 transitions. [2023-11-24 23:02:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:21,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 329 states and 370 transitions. [2023-11-24 23:02:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 370 transitions. [2023-11-24 23:02:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:22,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:22,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 330 states and 373 transitions. [2023-11-24 23:02:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 373 transitions. [2023-11-24 23:02:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:22,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:02:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 330 states and 372 transitions. [2023-11-24 23:02:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 372 transitions. [2023-11-24 23:02:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:22,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 332 states and 375 transitions. [2023-11-24 23:02:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 375 transitions. [2023-11-24 23:02:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:23,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:24,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 334 states and 380 transitions. [2023-11-24 23:02:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 380 transitions. [2023-11-24 23:02:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:24,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 334 states and 379 transitions. [2023-11-24 23:02:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 379 transitions. [2023-11-24 23:02:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:24,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 336 states and 383 transitions. [2023-11-24 23:02:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 383 transitions. [2023-11-24 23:02:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:25,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 338 states and 390 transitions. [2023-11-24 23:02:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 390 transitions. [2023-11-24 23:02:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:25,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 340 states and 391 transitions. [2023-11-24 23:02:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 391 transitions. [2023-11-24 23:02:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:26,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:02:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 340 states and 390 transitions. [2023-11-24 23:02:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 390 transitions. [2023-11-24 23:02:27,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:27,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 342 states and 397 transitions. [2023-11-24 23:02:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 397 transitions. [2023-11-24 23:02:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:27,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:02:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 342 states and 396 transitions. [2023-11-24 23:02:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 396 transitions. [2023-11-24 23:02:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:28,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 343 states and 396 transitions. [2023-11-24 23:02:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 396 transitions. [2023-11-24 23:02:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:28,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:02:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 346 states and 406 transitions. [2023-11-24 23:02:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 406 transitions. [2023-11-24 23:02:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:32,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:32,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 348 states and 413 transitions. [2023-11-24 23:02:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 413 transitions. [2023-11-24 23:02:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:33,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:33,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 349 states and 414 transitions. [2023-11-24 23:02:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 414 transitions. [2023-11-24 23:02:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:34,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:02:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 349 states and 413 transitions. [2023-11-24 23:02:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 413 transitions. [2023-11-24 23:02:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:34,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 351 states and 420 transitions. [2023-11-24 23:02:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 420 transitions. [2023-11-24 23:02:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:35,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 352 states and 421 transitions. [2023-11-24 23:02:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 421 transitions. [2023-11-24 23:02:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:36,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 23:02:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 352 states and 420 transitions. [2023-11-24 23:02:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 420 transitions. [2023-11-24 23:02:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:37,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:37,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 354 states and 427 transitions. [2023-11-24 23:02:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 427 transitions. [2023-11-24 23:02:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:38,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:38,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 356 states and 434 transitions. [2023-11-24 23:02:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 434 transitions. [2023-11-24 23:02:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:40,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:02:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 356 states and 433 transitions. [2023-11-24 23:02:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 433 transitions. [2023-11-24 23:02:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:41,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:41,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 358 states and 439 transitions. [2023-11-24 23:02:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 439 transitions. [2023-11-24 23:02:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:43,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:43,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 360 states and 448 transitions. [2023-11-24 23:02:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 448 transitions. [2023-11-24 23:02:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:44,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:44,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 362 states and 458 transitions. [2023-11-24 23:02:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 458 transitions. [2023-11-24 23:02:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:45,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 23:02:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 362 states and 457 transitions. [2023-11-24 23:02:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 457 transitions. [2023-11-24 23:02:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:46,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:46,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 363 states and 457 transitions. [2023-11-24 23:02:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 457 transitions. [2023-11-24 23:02:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:47,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:47,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 365 states and 460 transitions. [2023-11-24 23:02:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 460 transitions. [2023-11-24 23:02:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:02:49,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 367 states and 464 transitions. [2023-11-24 23:02:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 464 transitions. [2023-11-24 23:02:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:02:50,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:50,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 369 states and 468 transitions. [2023-11-24 23:02:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 468 transitions. [2023-11-24 23:02:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:02:51,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 344 states and 382 transitions. [2023-11-24 23:02:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 382 transitions. [2023-11-24 23:02:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:02:53,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 23:02:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 341 states and 379 transitions. [2023-11-24 23:02:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 379 transitions. [2023-11-24 23:02:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:02:53,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 23:03:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 340 states and 378 transitions. [2023-11-24 23:03:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 378 transitions. [2023-11-24 23:03:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:03:01,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.