./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/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_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/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 32bit --witnessprinter.graph.data.programhash 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:56,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:56,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:10:56,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:56,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:56,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:56,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:56,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:56,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:56,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:56,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:56,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:56,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:56,714 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:10:56,715 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:10:56,715 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:10:56,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:56,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:56,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:56,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:56,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:56,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:56,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:56,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:56,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:56,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:56,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:56,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:56,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:56,721 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_985cb35d-64e6-4685-8c25-b97ce9c93f92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 [2023-11-24 23:10:57,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:57,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:57,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:57,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:57,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:57,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-11-24 23:11:00,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:00,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:00,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-11-24 23:11:00,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/data/2088a2d06/d0d04185082f4a27b7938a478c36b544/FLAG772afc69f [2023-11-24 23:11:00,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/data/2088a2d06/d0d04185082f4a27b7938a478c36b544 [2023-11-24 23:11:00,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:00,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:00,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:00,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:00,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:00,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:00" (1/1) ... [2023-11-24 23:11:00,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bbe675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:00, skipping insertion in model container [2023-11-24 23:11:00,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:00" (1/1) ... [2023-11-24 23:11:00,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:01,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:01,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:01,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:01,182 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:01,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01 WrapperNode [2023-11-24 23:11:01,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:01,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:01,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:01,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:01,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,296 INFO L138 Inliner]: procedures = 127, calls = 50, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 186 [2023-11-24 23:11:01,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:01,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:01,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:01,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:01,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:01,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:01,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:01,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:01,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:01" (1/1) ... [2023-11-24 23:11:01,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:01,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:01,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:01,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985cb35d-64e6-4685-8c25-b97ce9c93f92/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:11:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:11:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:11:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:11:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:11:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:11:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:11:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:11:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:01,654 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:01,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:02,373 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:02,437 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:02,437 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:11:02,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:02 BoogieIcfgContainer [2023-11-24 23:11:02,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:02,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:02,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:02,452 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:02,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:02" (1/1) ... [2023-11-24 23:11:02,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 141 states and 154 transitions. [2023-11-24 23:11:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2023-11-24 23:11:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:11:02,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:02,846 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 23:11:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-24 23:11:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-24 23:11:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:11:02,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,046 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 23:11:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-24 23:11:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-24 23:11:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:03,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,202 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 23:11:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 138 states and 151 transitions. [2023-11-24 23:11:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2023-11-24 23:11:03,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:03,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,390 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 23:11:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-24 23:11:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-24 23:11:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:03,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,630 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 23:11:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2023-11-24 23:11:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2023-11-24 23:11:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:03,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,795 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 23:11:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2023-11-24 23:11:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2023-11-24 23:11:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:03,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,997 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 23:11:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 137 states and 152 transitions. [2023-11-24 23:11:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2023-11-24 23:11:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:04,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,114 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 23:11:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 138 states and 153 transitions. [2023-11-24 23:11:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 153 transitions. [2023-11-24 23:11:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:04,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,449 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 23:11:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 137 states and 152 transitions. [2023-11-24 23:11:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2023-11-24 23:11:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:04,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,594 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 23:11:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 136 states and 151 transitions. [2023-11-24 23:11:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 151 transitions. [2023-11-24 23:11:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:11:04,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,677 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 23:11:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 135 states and 150 transitions. [2023-11-24 23:11:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2023-11-24 23:11:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:11:04,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,774 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 23:11:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 134 states and 149 transitions. [2023-11-24 23:11:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2023-11-24 23:11:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:04,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,842 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 23:11:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 133 states and 148 transitions. [2023-11-24 23:11:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2023-11-24 23:11:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:04,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:04,974 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 23:11:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 132 states and 147 transitions. [2023-11-24 23:11:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 147 transitions. [2023-11-24 23:11:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:11:05,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:05,133 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 23:11:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 131 states and 146 transitions. [2023-11-24 23:11:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2023-11-24 23:11:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:11:05,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:05,372 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 23:11:05,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 130 states and 145 transitions. [2023-11-24 23:11:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2023-11-24 23:11:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:05,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:05,855 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 23:11:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 138 states and 158 transitions. [2023-11-24 23:11:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2023-11-24 23:11:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:06,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:06,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:06,955 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 23:11:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 146 states and 171 transitions. [2023-11-24 23:11:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2023-11-24 23:11:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:07,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 152 states and 178 transitions. [2023-11-24 23:11:09,752 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2023-11-24 23:11:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:09,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,013 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 23:11:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 161 states and 193 transitions. [2023-11-24 23:11:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2023-11-24 23:11:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:11,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,421 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 23:11:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 172 states and 218 transitions. [2023-11-24 23:11:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2023-11-24 23:11:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:15,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:15,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 176 states and 228 transitions. [2023-11-24 23:11:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 228 transitions. [2023-11-24 23:11:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:17,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-11-24 23:11:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-11-24 23:11:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:19,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 179 states and 237 transitions. [2023-11-24 23:11:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 237 transitions. [2023-11-24 23:11:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:19,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2023-11-24 23:11:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2023-11-24 23:11:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:11:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 177 states and 235 transitions. [2023-11-24 23:11:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 235 transitions. [2023-11-24 23:11:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:11:19,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 176 states and 234 transitions. [2023-11-24 23:11:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 234 transitions. [2023-11-24 23:11:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:20,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 175 states and 233 transitions. [2023-11-24 23:11:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2023-11-24 23:11:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:20,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 174 states and 232 transitions. [2023-11-24 23:11:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2023-11-24 23:11:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:20,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 191 states and 266 transitions. [2023-11-24 23:11:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 266 transitions. [2023-11-24 23:11:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:27,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:28,343 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 23:11:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 208 states and 298 transitions. [2023-11-24 23:11:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 298 transitions. [2023-11-24 23:11:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:36,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:36,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 301 transitions. [2023-11-24 23:11:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 301 transitions. [2023-11-24 23:11:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:39,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:39,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 305 transitions. [2023-11-24 23:11:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 305 transitions. [2023-11-24 23:11:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:40,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:40,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 213 states and 309 transitions. [2023-11-24 23:11:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 309 transitions. [2023-11-24 23:11:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:42,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 214 states and 312 transitions. [2023-11-24 23:11:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 312 transitions. [2023-11-24 23:11:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:43,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:43,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 216 states and 318 transitions. [2023-11-24 23:11:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 318 transitions. [2023-11-24 23:11:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:45,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.