./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/prefixsum_iter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/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_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/prefixsum_iter.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cd641fa41c29ed0240eed782d3555502472fe8bb63d504547076d8eeefa2c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:51,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:51,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:50:51,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:51,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:51,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:51,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:51,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:51,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:51,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:51,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:51,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:51,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:51,275 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:50:51,275 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:50:51,276 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:50:51,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:51,277 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:51,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:51,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:51,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:51,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:51,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:51,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:51,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:51,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:51,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:51,284 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:51,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:51,285 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_bc6d0207-2725-47fd-a044-af38f90a0907/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd641fa41c29ed0240eed782d3555502472fe8bb63d504547076d8eeefa2c0d [2023-11-19 02:50:51,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:51,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:51,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:51,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:51,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:51,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/verifythis/prefixsum_iter.c [2023-11-19 02:50:54,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:54,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:54,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/sv-benchmarks/c/verifythis/prefixsum_iter.c [2023-11-19 02:50:54,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/data/e900dfd79/f0ba207786b6442b9bf719f121d5b746/FLAG0f85f19cd [2023-11-19 02:50:54,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/data/e900dfd79/f0ba207786b6442b9bf719f121d5b746 [2023-11-19 02:50:54,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:54,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:54,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:54,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:54,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:54,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:54" (1/1) ... [2023-11-19 02:50:54,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1a955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:54, skipping insertion in model container [2023-11-19 02:50:54,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:54" (1/1) ... [2023-11-19 02:50:54,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:55,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:55,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:55,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:55,235 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:55,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55 WrapperNode [2023-11-19 02:50:55,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:55,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:55,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:55,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:55,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,314 INFO L138 Inliner]: procedures = 22, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-11-19 02:50:55,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:55,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:55,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:55,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:55,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:55,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:55,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:55,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:55,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:55" (1/1) ... [2023-11-19 02:50:55,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:55,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:55,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:55,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6d0207-2725-47fd-a044-af38f90a0907/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:55,542 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:55,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:55,971 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:56,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:56,110 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 02:50:56,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:56 BoogieIcfgContainer [2023-11-19 02:50:56,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:56,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:56,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:56,126 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:56,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:56" (1/1) ... [2023-11-19 02:50:56,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2023-11-19 02:50:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-11-19 02:50:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:56,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,676 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 02:50:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2023-11-19 02:50:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2023-11-19 02:50:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:56,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,120 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 02:50:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2023-11-19 02:50:57,403 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2023-11-19 02:50:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:50:57,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,600 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 02:50:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2023-11-19 02:50:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2023-11-19 02:50:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:50:57,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2023-11-19 02:50:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2023-11-19 02:50:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:50:58,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,881 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 02:50:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 94 transitions. [2023-11-19 02:50:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2023-11-19 02:50:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:59,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-19 02:50:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-19 02:50:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:59,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,596 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 02:51:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 107 transitions. [2023-11-19 02:51:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2023-11-19 02:51:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:51:03,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:03,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:03,698 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 02:51:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-11-19 02:51:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-11-19 02:51:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:51:05,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2023-11-19 02:51:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2023-11-19 02:51:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:51:06,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2023-11-19 02:51:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2023-11-19 02:51:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:51:06,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2023-11-19 02:51:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-19 02:51:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:51:10,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2023-11-19 02:51:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2023-11-19 02:51:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:14,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 100 states and 156 transitions. [2023-11-19 02:51:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 156 transitions. [2023-11-19 02:51:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:15,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:15,891 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 02:51:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 102 states and 161 transitions. [2023-11-19 02:51:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 161 transitions. [2023-11-19 02:51:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:17,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:17,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:18,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 104 states and 166 transitions. [2023-11-19 02:51:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 166 transitions. [2023-11-19 02:51:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:18,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 103 states and 164 transitions. [2023-11-19 02:51:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 164 transitions. [2023-11-19 02:51:19,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:19,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:20,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-11-19 02:51:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-19 02:51:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:51:20,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 105 states and 167 transitions. [2023-11-19 02:51:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2023-11-19 02:51:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:51:21,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2023-11-19 02:51:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2023-11-19 02:51:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:51:26,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:51:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2023-11-19 02:51:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2023-11-19 02:51:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:27,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:27,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2023-11-19 02:51:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2023-11-19 02:51:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:28,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:28,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2023-11-19 02:51:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2023-11-19 02:51:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:30,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:31,730 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 02:51:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 202 transitions. [2023-11-19 02:51:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 202 transitions. [2023-11-19 02:51:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:34,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:34,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 213 transitions. [2023-11-19 02:51:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2023-11-19 02:51:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:34,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:35,549 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 02:51:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 123 states and 226 transitions. [2023-11-19 02:51:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 226 transitions. [2023-11-19 02:51:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:38,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 231 transitions. [2023-11-19 02:51:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 231 transitions. [2023-11-19 02:51:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:38,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 127 states and 238 transitions. [2023-11-19 02:51:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 238 transitions. [2023-11-19 02:51:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:43,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 237 transitions. [2023-11-19 02:51:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 237 transitions. [2023-11-19 02:51:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:51:44,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.