./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/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_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/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 64bit --witnessprinter.graph.data.programhash 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:07,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:07,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:10:07,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:07,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:07,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:07,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:07,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:07,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:07,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:07,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:07,665 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:10:07,665 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:10:07,666 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:10:07,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:07,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:10:07,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:07,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:07,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:07,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:07,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:07,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:07,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:07,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:07,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:07,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:07,679 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_2badd4fb-3a26-418f-be5e-d33274aac46c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f [2023-11-19 03:10:07,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:08,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:08,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:08,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:08,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:08,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2023-11-19 03:10:11,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:11,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:11,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2023-11-19 03:10:11,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/data/94a1ba356/feb98f176ff447dcad28481da21a98e4/FLAG96588bf4c [2023-11-19 03:10:11,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/data/94a1ba356/feb98f176ff447dcad28481da21a98e4 [2023-11-19 03:10:11,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:11,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:11,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:11,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:11,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:11,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:11" (1/1) ... [2023-11-19 03:10:11,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecd7862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:11, skipping insertion in model container [2023-11-19 03:10:11,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:11" (1/1) ... [2023-11-19 03:10:11,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:13,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:13,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:13,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:13,882 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:10:13,883 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:10:13,891 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:13,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13 WrapperNode [2023-11-19 03:10:13,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:13,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:13,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:13,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:13,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,055 INFO L138 Inliner]: procedures = 615, calls = 250, calls flagged for inlining = 44, calls inlined = 69, statements flattened = 1605 [2023-11-19 03:10:14,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:14,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:14,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:14,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:14,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:14,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:14,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:14,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:14,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:14,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:14,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:14,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:14,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2badd4fb-3a26-418f-be5e-d33274aac46c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:10:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:10:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:10:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:10:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:10:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:10:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:10:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:10:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:10:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:10:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:10:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:10:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:10:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:10:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:14,886 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:14,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:17,307 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:17,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:17,724 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-19 03:10:17,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:17 BoogieIcfgContainer [2023-11-19 03:10:17,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:17,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:17,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:17,749 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:17,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:17" (1/1) ... [2023-11-19 03:10:17,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 889 states and 1004 transitions. [2023-11-19 03:10:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1004 transitions. [2023-11-19 03:10:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:10:17,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:18,387 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 03:10:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 888 states and 1003 transitions. [2023-11-19 03:10:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1003 transitions. [2023-11-19 03:10:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:10:18,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:18,666 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 03:10:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 887 states and 1002 transitions. [2023-11-19 03:10:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1002 transitions. [2023-11-19 03:10:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:10:18,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:18,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:18,933 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 03:10:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 888 states and 1004 transitions. [2023-11-19 03:10:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1004 transitions. [2023-11-19 03:10:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:10:18,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:19,065 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 03:10:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 889 states and 1006 transitions. [2023-11-19 03:10:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1006 transitions. [2023-11-19 03:10:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:10:19,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:19,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:19,382 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 03:10:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:19,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 891 states and 1008 transitions. [2023-11-19 03:10:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1008 transitions. [2023-11-19 03:10:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:10:19,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:19,805 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 03:10:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 892 states and 1011 transitions. [2023-11-19 03:10:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1011 transitions. [2023-11-19 03:10:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:10:19,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:20,016 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 03:10:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 892 states and 1010 transitions. [2023-11-19 03:10:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1010 transitions. [2023-11-19 03:10:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:10:20,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:20,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:20,411 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 03:10:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 894 states and 1013 transitions. [2023-11-19 03:10:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1013 transitions. [2023-11-19 03:10:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:10:20,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:20,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 896 states and 1018 transitions. [2023-11-19 03:10:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1018 transitions. [2023-11-19 03:10:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:10:21,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 896 states and 1017 transitions. [2023-11-19 03:10:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1017 transitions. [2023-11-19 03:10:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:10:21,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 897 states and 1017 transitions. [2023-11-19 03:10:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1017 transitions. [2023-11-19 03:10:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:10:22,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 899 states and 1022 transitions. [2023-11-19 03:10:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1022 transitions. [2023-11-19 03:10:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:10:22,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:22,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 899 states and 1021 transitions. [2023-11-19 03:10:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1021 transitions. [2023-11-19 03:10:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:10:22,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 900 states and 1021 transitions. [2023-11-19 03:10:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1021 transitions. [2023-11-19 03:10:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:10:23,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 902 states and 1026 transitions. [2023-11-19 03:10:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1026 transitions. [2023-11-19 03:10:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:10:23,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:10:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 902 states and 1025 transitions. [2023-11-19 03:10:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1025 transitions. [2023-11-19 03:10:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:10:24,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 903 states and 1025 transitions. [2023-11-19 03:10:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1025 transitions. [2023-11-19 03:10:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:25,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:10:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 906 states and 1033 transitions. [2023-11-19 03:10:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1033 transitions. [2023-11-19 03:10:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:28,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 908 states and 1038 transitions. [2023-11-19 03:10:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1038 transitions. [2023-11-19 03:10:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:29,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 908 states and 1037 transitions. [2023-11-19 03:10:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1037 transitions. [2023-11-19 03:10:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:29,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 909 states and 1037 transitions. [2023-11-19 03:10:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1037 transitions. [2023-11-19 03:10:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:30,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:30,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 911 states and 1042 transitions. [2023-11-19 03:10:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1042 transitions. [2023-11-19 03:10:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:31,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:10:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 911 states and 1041 transitions. [2023-11-19 03:10:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1041 transitions. [2023-11-19 03:10:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:31,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 913 states and 1047 transitions. [2023-11-19 03:10:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1047 transitions. [2023-11-19 03:10:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:10:34,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:34,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 915 states and 1054 transitions. [2023-11-19 03:10:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1054 transitions. [2023-11-19 03:10:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:10:35,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 917 states and 1062 transitions. [2023-11-19 03:10:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1062 transitions. [2023-11-19 03:10:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:10:36,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 919 states and 1063 transitions. [2023-11-19 03:10:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1063 transitions. [2023-11-19 03:10:38,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:10:38,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:10:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 919 states and 1062 transitions. [2023-11-19 03:10:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1062 transitions. [2023-11-19 03:10:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:38,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 921 states and 1069 transitions. [2023-11-19 03:10:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1069 transitions. [2023-11-19 03:10:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:39,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:39,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 922 states and 1070 transitions. [2023-11-19 03:10:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1070 transitions. [2023-11-19 03:10:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:41,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:41,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:10:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 922 states and 1069 transitions. [2023-11-19 03:10:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1069 transitions. [2023-11-19 03:10:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:10:41,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:41,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 924 states and 1072 transitions. [2023-11-19 03:10:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1072 transitions. [2023-11-19 03:10:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:10:42,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:42,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 906 states and 1020 transitions. [2023-11-19 03:10:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1020 transitions. [2023-11-19 03:10:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:10:44,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:44,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:10:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 903 states and 1017 transitions. [2023-11-19 03:10:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1017 transitions. [2023-11-19 03:10:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:10:44,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:10:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 902 states and 1016 transitions. [2023-11-19 03:10:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1016 transitions. [2023-11-19 03:10:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:10:51,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:10:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 901 states and 1015 transitions. [2023-11-19 03:10:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1015 transitions. [2023-11-19 03:10:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:10:52,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:10:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 900 states and 1014 transitions. [2023-11-19 03:10:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1014 transitions. [2023-11-19 03:10:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:10:54,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.