./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:01,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:02,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-23 20:24:02,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:02,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:02,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:02,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:02,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:02,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:02,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:02,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:02,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:02,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:02,117 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:24:02,117 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:24:02,118 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:24:02,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:02,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:02,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:02,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:02,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:02,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:02,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:02,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:02,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:02,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:02,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:02,126 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:02,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:02,127 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_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-23 20:24:02,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:02,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:02,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:02,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:02,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:02,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-23 20:24:06,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:06,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:06,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-23 20:24:06,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/data/6cd14c856/36fc8724682e470b9a62e8e22e139e65/FLAG09f5309eb [2023-11-23 20:24:06,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/data/6cd14c856/36fc8724682e470b9a62e8e22e139e65 [2023-11-23 20:24:06,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:06,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:06,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:06,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:06,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:06,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:06,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aac41a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06, skipping insertion in model container [2023-11-23 20:24:06,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:06,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:06,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:06,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:06,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:06,997 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:06,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06 WrapperNode [2023-11-23 20:24:06,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:06,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:06,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:06,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:07,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,055 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 183 [2023-11-23 20:24:07,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:07,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:07,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:07,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:07,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:07,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:07,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:07,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:07,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:06" (1/1) ... [2023-11-23 20:24:07,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:07,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:07,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:07,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f9f79-2bcf-45c9-a2a3-9d86f43fbb32/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:24:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:24:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:07,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:07,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:07,817 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:07,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:07,936 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-23 20:24:07,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:07 BoogieIcfgContainer [2023-11-23 20:24:07,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:07,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:07,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:07,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:07,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:07" (1/1) ... [2023-11-23 20:24:07,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-23 20:24:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-23 20:24:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:24:08,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-23 20:24:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-23 20:24:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:24:08,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-23 20:24:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-23 20:24:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:24:08,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-23 20:24:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-23 20:24:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:24:09,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-23 20:24:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-23 20:24:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:24:09,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:09,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:24:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-23 20:24:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-23 20:24:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:24:10,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:10,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-11-23 20:24:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-23 20:24:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:24:10,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-23 20:24:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-23 20:24:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:24:10,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:10,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-23 20:24:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-23 20:24:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:24:11,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:11,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:24:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2023-11-23 20:24:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2023-11-23 20:24:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:24:11,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:24:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2023-11-23 20:24:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2023-11-23 20:24:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:24:13,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2023-11-23 20:24:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2023-11-23 20:24:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:24:14,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-23 20:24:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-23 20:24:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:24:14,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2023-11-23 20:24:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 20:24:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:24:15,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:15,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 88 transitions. [2023-11-23 20:24:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2023-11-23 20:24:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:24:16,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2023-11-23 20:24:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-11-23 20:24:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:24:17,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:17,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2023-11-23 20:24:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-23 20:24:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:24:18,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:18,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2023-11-23 20:24:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2023-11-23 20:24:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:24:19,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2023-11-23 20:24:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2023-11-23 20:24:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:24:20,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:20,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-23 20:24:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-23 20:24:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:24:21,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2023-11-23 20:24:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2023-11-23 20:24:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:24:22,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2023-11-23 20:24:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2023-11-23 20:24:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:24:24,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2023-11-23 20:24:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2023-11-23 20:24:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:24:25,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 106 transitions. [2023-11-23 20:24:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2023-11-23 20:24:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:24:26,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:26,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2023-11-23 20:24:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2023-11-23 20:24:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:24:27,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2023-11-23 20:24:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2023-11-23 20:24:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:24:29,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:29,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2023-11-23 20:24:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2023-11-23 20:24:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:24:30,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:30,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2023-11-23 20:24:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-11-23 20:24:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:24:32,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:32,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2023-11-23 20:24:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2023-11-23 20:24:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:24:33,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:33,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2023-11-23 20:24:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2023-11-23 20:24:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:24:34,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:34,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2023-11-23 20:24:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2023-11-23 20:24:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:24:36,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2023-11-23 20:24:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2023-11-23 20:24:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:24:38,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 111 states and 124 transitions. [2023-11-23 20:24:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2023-11-23 20:24:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:24:39,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 113 states and 126 transitions. [2023-11-23 20:24:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2023-11-23 20:24:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:24:41,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 115 states and 128 transitions. [2023-11-23 20:24:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2023-11-23 20:24:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:24:43,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 117 states and 130 transitions. [2023-11-23 20:24:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 130 transitions. [2023-11-23 20:24:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:24:45,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 119 states and 132 transitions. [2023-11-23 20:24:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2023-11-23 20:24:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:24:47,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:47,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 961 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 121 states and 134 transitions. [2023-11-23 20:24:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2023-11-23 20:24:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:24:49,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 123 states and 136 transitions. [2023-11-23 20:24:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2023-11-23 20:24:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:24:51,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:51,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat