./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi --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 e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:55,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:56,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:15:56,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:56,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:56,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:56,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:56,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:56,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:56,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:56,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:56,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:56,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:56,077 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:15:56,078 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:15:56,078 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:15:56,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:56,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:56,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:56,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:56,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:56,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:56,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:56,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:56,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:56,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:56,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:56,089 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:56,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:56,090 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_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 [2023-11-24 22:15:56,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:56,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:56,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:56,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:56,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:56,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2023-11-24 22:15:59,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:59,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:59,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2023-11-24 22:15:59,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/data/01d4714bf/329ed9f8817e46189b97dbdf98d8b604/FLAGc49c95500 [2023-11-24 22:15:59,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/data/01d4714bf/329ed9f8817e46189b97dbdf98d8b604 [2023-11-24 22:15:59,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:59,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:59,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:59,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:59,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:59,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:59" (1/1) ... [2023-11-24 22:15:59,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de668c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:59, skipping insertion in model container [2023-11-24 22:15:59,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:59" (1/1) ... [2023-11-24 22:15:59,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:00,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:00,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:00,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:00,513 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:00,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00 WrapperNode [2023-11-24 22:16:00,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:00,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:00,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:00,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:00,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,574 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 174 [2023-11-24 22:16:00,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:00,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:00,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:00,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:00,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:00,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:00,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:00,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:00,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:00" (1/1) ... [2023-11-24 22:16:00,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:00,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:00,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c434a13f-de0c-42ee-b5de-80cd0405eb4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:16:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:00,900 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:00,902 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:01,423 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:01,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:01,487 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:16:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:01 BoogieIcfgContainer [2023-11-24 22:16:01,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:01,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:01,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:01,500 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:01,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:01" (1/1) ... [2023-11-24 22:16:01,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 134 states and 146 transitions. [2023-11-24 22:16:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2023-11-24 22:16:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:16:01,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2023-11-24 22:16:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2023-11-24 22:16:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:16:01,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 132 states and 144 transitions. [2023-11-24 22:16:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2023-11-24 22:16:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:02,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2023-11-24 22:16:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2023-11-24 22:16:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:02,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 130 states and 142 transitions. [2023-11-24 22:16:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 142 transitions. [2023-11-24 22:16:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:02,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 129 states and 141 transitions. [2023-11-24 22:16:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 141 transitions. [2023-11-24 22:16:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:02,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 140 transitions. [2023-11-24 22:16:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2023-11-24 22:16:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:02,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2023-11-24 22:16:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2023-11-24 22:16:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:02,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 131 states and 145 transitions. [2023-11-24 22:16:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2023-11-24 22:16:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:03,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2023-11-24 22:16:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2023-11-24 22:16:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:03,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 129 states and 143 transitions. [2023-11-24 22:16:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-11-24 22:16:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:03,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 128 states and 142 transitions. [2023-11-24 22:16:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2023-11-24 22:16:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:03,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 127 states and 141 transitions. [2023-11-24 22:16:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2023-11-24 22:16:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:03,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 126 states and 140 transitions. [2023-11-24 22:16:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 140 transitions. [2023-11-24 22:16:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:03,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 125 states and 139 transitions. [2023-11-24 22:16:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 139 transitions. [2023-11-24 22:16:03,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:03,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:04,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 124 states and 138 transitions. [2023-11-24 22:16:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 138 transitions. [2023-11-24 22:16:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:04,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 123 states and 137 transitions. [2023-11-24 22:16:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2023-11-24 22:16:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:04,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 131 states and 150 transitions. [2023-11-24 22:16:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2023-11-24 22:16:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:05,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 139 states and 163 transitions. [2023-11-24 22:16:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2023-11-24 22:16:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:06,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 145 states and 170 transitions. [2023-11-24 22:16:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2023-11-24 22:16:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:08,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 156 states and 196 transitions. [2023-11-24 22:16:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2023-11-24 22:16:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:11,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:11,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 164 states and 210 transitions. [2023-11-24 22:16:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2023-11-24 22:16:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:14,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 220 transitions. [2023-11-24 22:16:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2023-11-24 22:16:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:16,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 172 states and 233 transitions. [2023-11-24 22:16:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 233 transitions. [2023-11-24 22:16:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:16:19,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 232 transitions. [2023-11-24 22:16:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 232 transitions. [2023-11-24 22:16:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:16:19,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 231 transitions. [2023-11-24 22:16:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2023-11-24 22:16:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:19,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 169 states and 230 transitions. [2023-11-24 22:16:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 230 transitions. [2023-11-24 22:16:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:19,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 168 states and 229 transitions. [2023-11-24 22:16:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 229 transitions. [2023-11-24 22:16:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:20,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 167 states and 228 transitions. [2023-11-24 22:16:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2023-11-24 22:16:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:20,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 166 states and 227 transitions. [2023-11-24 22:16:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 227 transitions. [2023-11-24 22:16:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:20,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 183 states and 262 transitions. [2023-11-24 22:16:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 262 transitions. [2023-11-24 22:16:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:26,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:26,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 200 states and 295 transitions. [2023-11-24 22:16:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 295 transitions. [2023-11-24 22:16:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:35,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 201 states and 298 transitions. [2023-11-24 22:16:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 298 transitions. [2023-11-24 22:16:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:39,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 200 states and 297 transitions. [2023-11-24 22:16:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 297 transitions. [2023-11-24 22:16:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:39,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 301 transitions. [2023-11-24 22:16:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2023-11-24 22:16:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:41,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 201 states and 300 transitions. [2023-11-24 22:16:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 300 transitions. [2023-11-24 22:16:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:41,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 301 transitions. [2023-11-24 22:16:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2023-11-24 22:16:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:16:41,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 101 states and 109 transitions. [2023-11-24 22:16:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2023-11-24 22:16:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:16:47,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 100 states and 108 transitions. [2023-11-24 22:16:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2023-11-24 22:16:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:16:49,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.