./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV --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 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:53,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:54,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:57:54,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:54,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:54,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:54,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:54,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:54,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:54,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:54,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:54,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:54,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:54,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:54,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:54,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:54,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:54,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:54,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:54,100 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:54,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:54,101 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:54,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:54,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:54,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:54,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:54,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:54,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:54,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:54,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:54,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:54,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:54,107 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_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2023-11-11 23:57:54,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:54,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:54,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:54,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:54,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:54,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2023-11-11 23:57:57,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:57,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:57,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2023-11-11 23:57:57,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/data/eba5f9380/8a481e2efcb04cbaad79f88adacb76a7/FLAG3dacb481e [2023-11-11 23:57:57,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/data/eba5f9380/8a481e2efcb04cbaad79f88adacb76a7 [2023-11-11 23:57:57,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:57,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:57,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:57,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:57,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:57,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:57" (1/1) ... [2023-11-11 23:57:57,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fb76ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:57, skipping insertion in model container [2023-11-11 23:57:57,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:57" (1/1) ... [2023-11-11 23:57:58,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:58,320 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_76b4ab57-a11f-474a-bda3-823aca58551c/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2023-11-11 23:57:58,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:58,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:58,379 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_76b4ab57-a11f-474a-bda3-823aca58551c/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2023-11-11 23:57:58,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:58,415 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:58,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58 WrapperNode [2023-11-11 23:57:58,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:58,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:58,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:58,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:58,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,489 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-11-11 23:57:58,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:58,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:58,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:58,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:58,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:58,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:58,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:58,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:58,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:58" (1/1) ... [2023-11-11 23:57:58,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:58,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:58,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:58,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b4ab57-a11f-474a-bda3-823aca58551c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-11 23:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-11 23:57:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:57:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:58,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:58,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:59,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:59,075 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:59,075 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:57:59,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:59 BoogieIcfgContainer [2023-11-11 23:57:59,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:59,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:59,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:59,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:59,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:59" (1/1) ... [2023-11-11 23:57:59,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-11 23:57:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-11 23:57:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:59,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 34 transitions. [2023-11-11 23:57:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-11 23:57:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:59,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 36 transitions. [2023-11-11 23:57:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-11 23:57:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:59,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 35 transitions. [2023-11-11 23:58:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-11 23:58:00,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:00,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 45 transitions. [2023-11-11 23:58:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-11 23:58:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:58:00,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 44 transitions. [2023-11-11 23:58:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-11 23:58:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:58:00,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 50 transitions. [2023-11-11 23:58:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-11 23:58:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:58:00,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:58:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 53 transitions. [2023-11-11 23:58:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-11 23:58:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:01,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 59 transitions. [2023-11-11 23:58:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-11 23:58:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:02,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:02,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 65 transitions. [2023-11-11 23:58:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-11 23:58:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:58:02,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:02,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:58:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 97 transitions. [2023-11-11 23:58:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-11 23:58:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:07,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:07,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 108 transitions. [2023-11-11 23:58:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2023-11-11 23:58:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:58:09,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 82 states and 151 transitions. [2023-11-11 23:58:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2023-11-11 23:58:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:58:28,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:28,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:58:29,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 82 states and 148 transitions. [2023-11-11 23:58:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 148 transitions. [2023-11-11 23:58:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:29,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 98 states and 185 transitions. [2023-11-11 23:58:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2023-11-11 23:58:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:44,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:44,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 98 states and 185 transitions. [2023-11-11 23:58:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2023-11-11 23:58:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:45,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 98 states and 185 transitions. [2023-11-11 23:58:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2023-11-11 23:58:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:47,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:47,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 98 states and 185 transitions. [2023-11-11 23:58:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2023-11-11 23:58:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:48,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:48,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:58:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 98 states and 185 transitions. [2023-11-11 23:58:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2023-11-11 23:58:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:58:49,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat