./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf7f5d5a0c627430d9132d0f1be3b1c0ad58f22e7924c03137596c145de85b8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:40,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:40,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:27:40,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:40,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:40,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:40,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:40,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:40,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:40,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:40,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:40,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:40,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:40,461 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:27:40,461 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:27:40,462 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:27:40,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:40,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:40,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:40,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:40,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:40,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:40,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:40,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:40,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:40,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:40,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:40,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:40,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:40,470 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_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf7f5d5a0c627430d9132d0f1be3b1c0ad58f22e7924c03137596c145de85b8c [2023-11-19 03:27:40,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:40,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:40,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:40,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:40,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:40,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext-properties/simple-ext_1.i [2023-11-19 03:27:44,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:44,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:44,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/sv-benchmarks/c/list-ext-properties/simple-ext_1.i [2023-11-19 03:27:44,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/data/12011995a/b3a40a5e50d449aba00740f2668ec71a/FLAGbb5101d63 [2023-11-19 03:27:44,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/data/12011995a/b3a40a5e50d449aba00740f2668ec71a [2023-11-19 03:27:44,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:44,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:44,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:44,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:44,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:44,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c9827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44, skipping insertion in model container [2023-11-19 03:27:44,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:44,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:44,952 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:45,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:45,069 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:45,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45 WrapperNode [2023-11-19 03:27:45,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:45,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:45,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:45,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:45,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,123 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2023-11-19 03:27:45,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:45,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:45,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:45,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:45,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:45,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:45,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:45,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:45,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:45,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:45,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4d4004-60c9-4fec-a287-a962f7b26656/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:27:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:27:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:27:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:27:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:27:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:45,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:45,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:45,650 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:45,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:45,721 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:27:45,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:45 BoogieIcfgContainer [2023-11-19 03:27:45,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:45,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:45,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:45,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:45,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:45" (1/1) ... [2023-11-19 03:27:45,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-11-19 03:27:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-19 03:27:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:27:45,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:45,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-19 03:27:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-19 03:27:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:27:46,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:46,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-19 03:27:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-19 03:27:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:27:46,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:46,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2023-11-19 03:27:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-19 03:27:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:27:46,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2023-11-19 03:27:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-19 03:27:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:27:46,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:46,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2023-11-19 03:27:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-19 03:27:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:27:47,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-19 03:27:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-19 03:27:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:27:47,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2023-11-19 03:27:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-11-19 03:27:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:27:48,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:48,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2023-11-19 03:27:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-19 03:27:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:27:48,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:48,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2023-11-19 03:27:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-11-19 03:27:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:27:48,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2023-11-19 03:27:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-19 03:27:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:27:48,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2023-11-19 03:27:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-11-19 03:27:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:27:49,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:49,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2023-11-19 03:27:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2023-11-19 03:27:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:27:49,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:49,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 71 states and 102 transitions. [2023-11-19 03:27:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2023-11-19 03:27:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:27:49,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:49,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2023-11-19 03:27:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2023-11-19 03:27:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:27:50,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2023-11-19 03:27:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-11-19 03:27:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:27:50,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 122 transitions. [2023-11-19 03:27:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2023-11-19 03:27:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:27:50,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2023-11-19 03:27:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2023-11-19 03:27:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:27:52,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2023-11-19 03:27:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2023-11-19 03:27:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:27:53,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 92 transitions. [2023-11-19 03:27:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-19 03:27:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:55,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-11-19 03:27:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-11-19 03:27:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:58,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:58,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 68 states and 106 transitions. [2023-11-19 03:27:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-11-19 03:27:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:27:58,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:58,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2023-11-19 03:28:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2023-11-19 03:28:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:00,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 136 transitions. [2023-11-19 03:28:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2023-11-19 03:28:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:02,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 80 states and 137 transitions. [2023-11-19 03:28:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2023-11-19 03:28:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:02,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:02,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 87 states and 160 transitions. [2023-11-19 03:28:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 160 transitions. [2023-11-19 03:28:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:05,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:05,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 163 transitions. [2023-11-19 03:28:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 163 transitions. [2023-11-19 03:28:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:05,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 89 states and 165 transitions. [2023-11-19 03:28:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 165 transitions. [2023-11-19 03:28:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:05,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:05,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 172 transitions. [2023-11-19 03:28:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2023-11-19 03:28:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:06,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:06,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 91 states and 175 transitions. [2023-11-19 03:28:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 175 transitions. [2023-11-19 03:28:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:07,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2023-11-19 03:28:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-11-19 03:28:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:08,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 95 states and 188 transitions. [2023-11-19 03:28:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 188 transitions. [2023-11-19 03:28:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:08,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 189 transitions. [2023-11-19 03:28:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 189 transitions. [2023-11-19 03:28:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:09,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2023-11-19 03:28:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2023-11-19 03:28:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:11,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 104 states and 202 transitions. [2023-11-19 03:28:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2023-11-19 03:28:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:12,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 108 states and 207 transitions. [2023-11-19 03:28:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 207 transitions. [2023-11-19 03:28:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:13,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:13,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 121 states and 234 transitions. [2023-11-19 03:28:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 234 transitions. [2023-11-19 03:28:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:19,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 236 transitions. [2023-11-19 03:28:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 236 transitions. [2023-11-19 03:28:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:19,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 123 states and 238 transitions. [2023-11-19 03:28:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2023-11-19 03:28:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:20,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:20,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 128 states and 246 transitions. [2023-11-19 03:28:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2023-11-19 03:28:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:22,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 251 transitions. [2023-11-19 03:28:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 251 transitions. [2023-11-19 03:28:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:23,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:28:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 131 states and 250 transitions. [2023-11-19 03:28:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 250 transitions. [2023-11-19 03:28:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:24,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 133 states and 277 transitions. [2023-11-19 03:28:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 277 transitions. [2023-11-19 03:28:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:28:25,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 282 transitions. [2023-11-19 03:28:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 282 transitions. [2023-11-19 03:28:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:28:29,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 144 states and 300 transitions. [2023-11-19 03:28:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 300 transitions. [2023-11-19 03:28:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:28:32,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.