./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/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_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/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_98cc5b88-e139-49ad-a628-2ecee26ca7ba/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 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:45,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:45,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:02:45,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:45,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:45,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:45,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:45,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:45,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:45,510 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:45,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:45,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:45,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:45,512 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:45,513 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:45,513 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:45,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:45,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:45,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:45,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:45,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:45,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:45,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:45,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:45,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:45,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:45,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:45,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:45,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:45,520 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_98cc5b88-e139-49ad-a628-2ecee26ca7ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2023-11-24 23:02:45,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:45,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:45,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:45,787 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:45,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:45,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2023-11-24 23:02:49,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:49,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:49,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2023-11-24 23:02:49,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/data/fe59112a6/fb6bba05dd9f4298828ca4bf3354772d/FLAG1c99eec5b [2023-11-24 23:02:49,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/data/fe59112a6/fb6bba05dd9f4298828ca4bf3354772d [2023-11-24 23:02:49,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:49,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:49,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:49,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:49,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:49,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb4749a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49, skipping insertion in model container [2023-11-24 23:02:49,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:49,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:49,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:49,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:50,015 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:50,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50 WrapperNode [2023-11-24 23:02:50,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:50,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:50,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:50,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:50,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,093 INFO L138 Inliner]: procedures = 122, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2023-11-24 23:02:50,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:50,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:50,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:50,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:50,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:50,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:50,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:50,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:50,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:50,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:50,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cc5b88-e139-49ad-a628-2ecee26ca7ba/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:02:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:02:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:50,361 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:50,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:50,786 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:50,836 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:50,836 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:02:50,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:50 BoogieIcfgContainer [2023-11-24 23:02:50,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:50,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:50,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:50,855 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:50,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 23:02:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 23:02:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:02:50,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:50,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,145 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 23:02:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-24 23:02:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-24 23:02:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:51,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,261 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 23:02:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 23:02:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 23:02:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:51,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,499 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 23:02:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2023-11-24 23:02:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2023-11-24 23:02:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:02:51,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 73 states and 85 transitions. [2023-11-24 23:02:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2023-11-24 23:02:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:02:51,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,848 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 23:02:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-24 23:02:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-24 23:02:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:52,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,186 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 23:02:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2023-11-24 23:02:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2023-11-24 23:02:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:52,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:52,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2023-11-24 23:02:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2023-11-24 23:02:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:52,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,370 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 23:02:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2023-11-24 23:02:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2023-11-24 23:02:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:52,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,472 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 23:02:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2023-11-24 23:02:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-11-24 23:02:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:52,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,643 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 23:02:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 67 states and 79 transitions. [2023-11-24 23:02:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2023-11-24 23:02:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:52,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,724 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 23:02:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 66 states and 78 transitions. [2023-11-24 23:02:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2023-11-24 23:02:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:52,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,914 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 23:02:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2023-11-24 23:02:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2023-11-24 23:02:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:53,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:53,510 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 23:02:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 77 states and 97 transitions. [2023-11-24 23:02:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2023-11-24 23:02:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:53,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:53,951 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 23:02:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2023-11-24 23:02:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-11-24 23:02:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:02:54,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2023-11-24 23:02:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2023-11-24 23:02:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:02:55,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:55,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 143 transitions. [2023-11-24 23:02:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 143 transitions. [2023-11-24 23:02:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:02:58,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:58,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2023-11-24 23:02:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2023-11-24 23:02:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:02:58,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:58,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 108 states and 145 transitions. [2023-11-24 23:02:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-24 23:02:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:02:59,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:59,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:03:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 108 states and 144 transitions. [2023-11-24 23:03:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2023-11-24 23:03:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:00,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 118 states and 160 transitions. [2023-11-24 23:03:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2023-11-24 23:03:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:02,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 118 states and 159 transitions. [2023-11-24 23:03:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 159 transitions. [2023-11-24 23:03:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:03,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 128 states and 182 transitions. [2023-11-24 23:03:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 182 transitions. [2023-11-24 23:03:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:06,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 128 states and 180 transitions. [2023-11-24 23:03:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2023-11-24 23:03:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:07,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 130 states and 184 transitions. [2023-11-24 23:03:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 184 transitions. [2023-11-24 23:03:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:07,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:07,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 140 states and 202 transitions. [2023-11-24 23:03:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2023-11-24 23:03:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:09,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2023-11-24 23:03:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-11-24 23:03:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:11,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:03:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 148 states and 210 transitions. [2023-11-24 23:03:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 210 transitions. [2023-11-24 23:03:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:12,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:03:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 150 states and 216 transitions. [2023-11-24 23:03:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 216 transitions. [2023-11-24 23:03:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:14,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:14,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:03:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 213 transitions. [2023-11-24 23:03:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 213 transitions. [2023-11-24 23:03:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:03:15,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:15,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:03:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 152 states and 217 transitions. [2023-11-24 23:03:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 217 transitions. [2023-11-24 23:03:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:03:17,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:03:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 152 states and 213 transitions. [2023-11-24 23:03:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 213 transitions. [2023-11-24 23:03:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:03:18,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 162 states and 227 transitions. [2023-11-24 23:03:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2023-11-24 23:03:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:03:20,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 23:03:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 162 states and 226 transitions. [2023-11-24 23:03:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2023-11-24 23:03:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:03:21,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 170 states and 234 transitions. [2023-11-24 23:03:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 234 transitions. [2023-11-24 23:03:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:03:23,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:03:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 172 states and 239 transitions. [2023-11-24 23:03:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 239 transitions. [2023-11-24 23:03:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:03:25,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:03:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 172 states and 238 transitions. [2023-11-24 23:03:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 238 transitions. [2023-11-24 23:03:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:03:27,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:03:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 174 states and 241 transitions. [2023-11-24 23:03:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 241 transitions. [2023-11-24 23:03:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:03:29,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:03:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 129 states and 147 transitions. [2023-11-24 23:03:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2023-11-24 23:03:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:03:30,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:03:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 132 states and 152 transitions. [2023-11-24 23:03:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-11-24 23:03:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:03:32,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:32,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:03:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 130 states and 149 transitions. [2023-11-24 23:03:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2023-11-24 23:03:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:03:34,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:03:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 132 states and 154 transitions. [2023-11-24 23:03:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2023-11-24 23:03:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:03:35,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-24 23:03:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 132 states and 153 transitions. [2023-11-24 23:03:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2023-11-24 23:03:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:03:36,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.