./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/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_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2725e330d17b26eb9ce2dcee483f6c78572e140dfdc07b8b5f8c08e6f3c60756 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:00,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:00,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:00,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:00,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:00,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:00,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:00,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:00,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:00,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:00,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:00,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:00,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:00,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:00,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:00,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:00,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:00,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:00,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:00,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:00,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:00,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:00,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:00,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:00,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:00,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:00,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:00,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:00,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:00,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:00,633 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:00,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:00,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:00,633 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_6b1aed19-4225-4e35-9345-768aaecd8ada/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2725e330d17b26eb9ce2dcee483f6c78572e140dfdc07b8b5f8c08e6f3c60756 [2023-11-24 22:52:00,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:00,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:00,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:00,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:00,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:00,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2023-11-24 22:52:04,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:04,581 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:04,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2023-11-24 22:52:04,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/data/6aa77b592/b382398507814496a5ccac3bb56c4350/FLAG2f039d559 [2023-11-24 22:52:04,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/data/6aa77b592/b382398507814496a5ccac3bb56c4350 [2023-11-24 22:52:04,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:04,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:04,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:04,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:04,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:04,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77890a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04, skipping insertion in model container [2023-11-24 22:52:04,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:05,035 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i[24020,24033] [2023-11-24 22:52:05,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:05,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:05,112 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i[24020,24033] [2023-11-24 22:52:05,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:05,157 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:05,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05 WrapperNode [2023-11-24 22:52:05,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:05,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:05,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:05,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:05,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,217 INFO L138 Inliner]: procedures = 126, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2023-11-24 22:52:05,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:05,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:05,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:05,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:05,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:05,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:05,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:05,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:05,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:05,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:05,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:05,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1aed19-4225-4e35-9345-768aaecd8ada/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-24 22:52:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-24 22:52:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:52:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:52:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:52:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:05,470 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:05,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:05,532 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-24 22:52:05,845 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:05,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:05,940 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:52:05,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:05 BoogieIcfgContainer [2023-11-24 22:52:05,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:05,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:05,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:05,956 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:05,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-24 22:52:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-24 22:52:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:06,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:06,272 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 22:52:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2023-11-24 22:52:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-24 22:52:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:06,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:06,745 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 22:52:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2023-11-24 22:52:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2023-11-24 22:52:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:06,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-11-24 22:52:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-11-24 22:52:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:08,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2023-11-24 22:52:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-24 22:52:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:52:09,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:52:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2023-11-24 22:52:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2023-11-24 22:52:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:52:09,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2023-11-24 22:52:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2023-11-24 22:52:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:52:12,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2023-11-24 22:52:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2023-11-24 22:52:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:13,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 115 transitions. [2023-11-24 22:52:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2023-11-24 22:52:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:52:16,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 136 transitions. [2023-11-24 22:52:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2023-11-24 22:52:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:19,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 152 transitions. [2023-11-24 22:52:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2023-11-24 22:52:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:23,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 84 states and 170 transitions. [2023-11-24 22:52:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 170 transitions. [2023-11-24 22:52:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:29,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 90 states and 185 transitions. [2023-11-24 22:52:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2023-11-24 22:52:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:52:34,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 93 states and 192 transitions. [2023-11-24 22:52:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2023-11-24 22:52:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:52:38,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 102 states and 220 transitions. [2023-11-24 22:52:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 220 transitions. [2023-11-24 22:52:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:45,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.