./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.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_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/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_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/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_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/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 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:18,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:18,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:02:18,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:18,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:18,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:18,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:18,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:18,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:18,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:18,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:18,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:18,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:18,499 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:02:18,500 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:02:18,500 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:02:18,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:18,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:18,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:18,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:18,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:18,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:18,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:18,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:18,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:18,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:18,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:18,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:18,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:18,507 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_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 [2023-11-19 04:02:18,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:18,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:18,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:18,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:18,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:18,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-11-19 04:02:21,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:22,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:22,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-11-19 04:02:22,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/data/7f789ef00/b0f6c30dd05747c786ced567dccc88b9/FLAG28e16817f [2023-11-19 04:02:22,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/data/7f789ef00/b0f6c30dd05747c786ced567dccc88b9 [2023-11-19 04:02:22,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:22,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:22,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:22,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:22,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:22,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74713757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22, skipping insertion in model container [2023-11-19 04:02:22,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:22,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,742 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:22,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,860 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:22,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22 WrapperNode [2023-11-19 04:02:22,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:22,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:22,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:22,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:22,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,937 INFO L138 Inliner]: procedures = 129, calls = 80, calls flagged for inlining = 25, calls inlined = 58, statements flattened = 543 [2023-11-19 04:02:22,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:22,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:22,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:22,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:22,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:23,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:23,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:23,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:23,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:23,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d6c4fa-2a68-4625-ac5c-ca9f331af314/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:02:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:02:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:02:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:02:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:23,311 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:23,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:24,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:24,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:24,344 INFO L302 CfgBuilder]: Removed 61 assume(true) statements. [2023-11-19 04:02:24,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24 BoogieIcfgContainer [2023-11-19 04:02:24,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:24,353 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:24,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:24,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:24,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24" (1/1) ... [2023-11-19 04:02:24,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 324 states and 424 transitions. [2023-11-19 04:02:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 424 transitions. [2023-11-19 04:02:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:24,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,735 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 04:02:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 323 states and 422 transitions. [2023-11-19 04:02:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 422 transitions. [2023-11-19 04:02:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:24,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,937 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 04:02:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 322 states and 421 transitions. [2023-11-19 04:02:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 421 transitions. [2023-11-19 04:02:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:25,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,055 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 04:02:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 321 states and 420 transitions. [2023-11-19 04:02:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2023-11-19 04:02:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:25,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,161 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 04:02:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 320 states and 419 transitions. [2023-11-19 04:02:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 419 transitions. [2023-11-19 04:02:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:02:25,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,446 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 04:02:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 324 states and 425 transitions. [2023-11-19 04:02:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 425 transitions. [2023-11-19 04:02:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:02:25,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,986 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 04:02:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2023-11-19 04:02:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2023-11-19 04:02:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:02:26,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:26,535 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 04:02:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 329 states and 432 transitions. [2023-11-19 04:02:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 432 transitions. [2023-11-19 04:02:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:02:26,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:26,886 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 04:02:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:27,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 330 states and 434 transitions. [2023-11-19 04:02:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 434 transitions. [2023-11-19 04:02:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:02:27,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:27,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:27,296 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 04:02:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 331 states and 436 transitions. [2023-11-19 04:02:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2023-11-19 04:02:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:02:27,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:27,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:27,648 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 04:02:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 333 states and 440 transitions. [2023-11-19 04:02:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2023-11-19 04:02:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:02:28,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:28,299 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 04:02:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 337 states and 448 transitions. [2023-11-19 04:02:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2023-11-19 04:02:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:02:29,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:29,522 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 04:02:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2023-11-19 04:02:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2023-11-19 04:02:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:02:31,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,483 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 04:02:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 350 states and 474 transitions. [2023-11-19 04:02:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2023-11-19 04:02:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:02:33,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,926 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 04:02:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 359 states and 493 transitions. [2023-11-19 04:02:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 493 transitions. [2023-11-19 04:02:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:02:36,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,503 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 04:02:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 358 states and 491 transitions. [2023-11-19 04:02:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 491 transitions. [2023-11-19 04:02:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:02:36,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,597 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 04:02:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 357 states and 490 transitions. [2023-11-19 04:02:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 490 transitions. [2023-11-19 04:02:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:02:36,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 361 states and 496 transitions. [2023-11-19 04:02:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 496 transitions. [2023-11-19 04:02:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:37,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:37,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:37,869 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 04:02:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 360 states and 495 transitions. [2023-11-19 04:02:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 495 transitions. [2023-11-19 04:02:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:37,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:37,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:37,971 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 04:02:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 359 states and 494 transitions. [2023-11-19 04:02:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 494 transitions. [2023-11-19 04:02:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:38,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:38,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 360 states and 502 transitions. [2023-11-19 04:02:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 502 transitions. [2023-11-19 04:02:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:39,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 360 states and 501 transitions. [2023-11-19 04:02:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 501 transitions. [2023-11-19 04:02:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:02:39,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:39,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:39,830 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 04:02:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 364 states and 508 transitions. [2023-11-19 04:02:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2023-11-19 04:02:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:02:40,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 369 states and 516 transitions. [2023-11-19 04:02:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 516 transitions. [2023-11-19 04:02:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:02:40,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:40,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 370 states and 517 transitions. [2023-11-19 04:02:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 517 transitions. [2023-11-19 04:02:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:02:41,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:02:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 370 states and 516 transitions. [2023-11-19 04:02:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 516 transitions. [2023-11-19 04:02:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:02:41,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:41,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:41,918 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 04:02:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 371 states and 518 transitions. [2023-11-19 04:02:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 518 transitions. [2023-11-19 04:02:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:02:42,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:42,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:42,494 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 04:02:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 372 states and 520 transitions. [2023-11-19 04:02:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 520 transitions. [2023-11-19 04:02:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:43,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:43,180 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 04:02:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 373 states and 522 transitions. [2023-11-19 04:02:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 522 transitions. [2023-11-19 04:02:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:43,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:43,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:43,650 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 04:02:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 375 states and 525 transitions. [2023-11-19 04:02:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 525 transitions. [2023-11-19 04:02:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:43,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:43,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 374 states and 523 transitions. [2023-11-19 04:02:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 523 transitions. [2023-11-19 04:02:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:44,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 373 states and 520 transitions. [2023-11-19 04:02:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2023-11-19 04:02:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:46,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 344 states and 466 transitions. [2023-11-19 04:02:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 466 transitions. [2023-11-19 04:02:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:47,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:47,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 352 states and 479 transitions. [2023-11-19 04:02:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 479 transitions. [2023-11-19 04:02:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:53,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 357 states and 489 transitions. [2023-11-19 04:02:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 489 transitions. [2023-11-19 04:02:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:55,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:02:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 362 states and 494 transitions. [2023-11-19 04:02:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 494 transitions. [2023-11-19 04:02:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:02:59,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:59,415 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 04:03:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 365 states and 500 transitions. [2023-11-19 04:03:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 500 transitions. [2023-11-19 04:03:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:03:00,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:00,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:00,927 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 04:03:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 368 states and 506 transitions. [2023-11-19 04:03:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 506 transitions. [2023-11-19 04:03:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:03:02,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.